®
ONline Ethernet Management
Module Installation and
Operation Guide
Document Number 17-00087-7
Printed March 1995
Model Number: 5101M-MGT
Software Version: 4.0
3Com Corporation
118 Turnpike Road
Southborough, MA 01772-1886
U.S.A.
(508) 460-8900
FAX (508) 460-8950
Download from Www.Somanuals.com. All Manuals Search And Download.
StackJack, StackSystem, and SwitchCentral are trademarks of
Chipcom Corporation.
The Chipcom MultichannelArchitectureCommunicationsSystem is
registered under U.S. Patent Number 5,301,303.
DEC, DECnet, the Digital logo, DELNI, POLYCENTER, VAX, VT100,
and VT220 are trademarks of Digital Equipment Corporation.
IBM is a registered trademark of International Business Machines.
NetView is a trademark of International Business Machines.
ST is a registerd trademark of AT&T.
UNIX is a registered trademark in the U.S.A. and other countries
licensed exclusively through X/Open Company, Ltd.
XNS is a trademark and Ethernet is a registered trademark of Xerox
Corporation.
3ComFacts, Ask 3Com, CardFacts, NetFacts, and CardBoard are
service marks of 3Com Corporation.
3Com, LANplex, BoundaryRouting, LanScanner, LinkBuilder,
NETBuilder, NETBuilderII, ParallelTasking, ViewBuilder, EtherDisk,
Etherl\Link, EtherLink Plus, EtherLink II, TokenLink, TokenLink Plus,
and TokenDisk are registered trademarks of 3Com Corporation.
3ComLaser Library, 3TECH, CacheCard, FDDILink, FMS, NetProbe,
SmartAgent, Star-Tek, and Transcend are trademarks of 3Com
Corporation.
CompuServe is a registered trademark of CompuServe, Inc.
3Com registered trademarks are registered in the United States,
and may or may not be registered in other countries. Other brand
and product names may be registered trademarks ortrademarks of
their respective holders.
Restricted Rights
Use, duplication, or disclosure by the Government is subject to
restrictions as set forth in subparagraph (c)(1) (ii) of the Rights in
Technical Data and Computer Software clause at
DFARS 252.227-7013.
Printed on recycled paper.
ONline Ethernet Management Module Installation and Operation Guide iii
Download from Www.Somanuals.com. All Manuals Search And Download.
iv ONline Ethernet Management Module Installation and Operation Guide
Download from Www.Somanuals.com. All Manuals Search And Download.
Contents
How to Use This Guide
Audience . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .xiv
Structure of This Guide . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .xiv
Document Conventions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . xv
Related Documents . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . xvii
3Com Documents . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . xviii
Reference Documents . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . xviii
Chapter 1 — Introduction
The ONline Ethernet Management Module . . . . . . . . . . . . . . . . . . . . . . . 1-1
Theory of Operation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-3
Complete ONline Control . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-5
ONline Ethernet Management Module Versions . . . . . . . . . . . . . . . . 1-5
The EMM Starter Version . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-5
The EMM Basic Version . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-6
The EMM Advanced Version . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-6
Network Management Access . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-7
Network Management Functions . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-7
ONline Backplane Architecture . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-8
Where To Go From Here . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-12
Chapter 2 — Unpacking and Installing the Module
Precautionary Procedures . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-1
Unpacking Procedure . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-2
Installation Procedures . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-3
Verifying Operation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-5
The EMM Front Panel . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-6
Status LED . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-7
Master Mgt Module LED . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-7
Download in Progress LED . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-8
ONline Ethernet Management Module Installation and Operation Guide v
Download from Www.Somanuals.com. All Manuals Search And Download.
Reset Button . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-8
RS-232 Serial Port . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-8
Where to go From Here . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-9
Chapter 3 — Startup and Management Functions
Quick Reference for Getting Started . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-2
Saving and Reverting Configuration Values . . . . . . . . . . . . . . . . . . . . 3-3
Configuring the Terminal . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-4
Optional Terminal Settings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-6
Setting Terminal Hangup . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-6
Setting Terminal Prompt . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-7
Setting Terminal Timeout . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-7
Configuring the EMM . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-7
Setting Device Password . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-9
Establishing the Administrator Password . . . . . . . . . . . . . . . . . . 3-10
Establishing the User Password . . . . . . . . . . . . . . . . . . . . . . . . . 3-11
Assigning an EMM Name . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-12
Setting Device Diagnostics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-12
Assigning a Contact Name and Location . . . . . . . . . . . . . . . . . . . . . 3-12
Configuring SNMP Values . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-13
Assigning IP Addresses . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-15
Creating a Community Table . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-15
Configuring the Alert Setting . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-15
Setting a Subnetwork Mask . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-16
Defining the Default Gateway . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-16
Enabling Trap Receive . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-16
Configuring Modules and Ports . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-17
Assigning Module Networks . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-17
Assigning Module Mastership Priority . . . . . . . . . . . . . . . . . . . . . . . 3-18
Setting Port Mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-19
Setting Port Network . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-19
Setting Redundant Ports . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-19
Configuring Address-to-Port Security . . . . . . . . . . . . . . . . . . . . . . . . . . 3-20
Managing Security with EMM Master and Slaves . . . . . . . . . . . . . . 3-21
Establishing Remote Logins . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-22
Logging Out From a Remote Session . . . . . . . . . . . . . . . . . . . . . . . 3-24
Monitoring With SHOW Commands . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-24
Showing Device Information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-24
vi ONline Ethernet Management Module Installation and Operation Guide
Download from Www.Somanuals.com. All Manuals Search And Download.
Showing Module Information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-25
Showing Port Information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-26
Showing Concentrator Information . . . . . . . . . . . . . . . . . . . . . . . . 3-26
Showing Counter Statistics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-27
Using the MONITOR Command . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-28
Where To Go From Here . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-28
Chapter 4 — Troubleshooting
Applying Power . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-1
EMM and Terminal Interface . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-3
EMM Trap Messages . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-5
Technical Assistance . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-7
EMM Network Impact . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-7
3Com Protocols . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-8
Chapter 5 — Softw are Dow nload Instructions
Download Requirements . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-2
How the FDK and UDK Process Works . . . . . . . . . . . . . . . . . . . . . . . 5-3
Out-of-Band Download Instructions . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-4
Installing the ProComm Software . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-4
Connect the RS-232 Cable . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-8
Preparing to Download the New Software . . . . . . . . . . . . . . . . . . . . 5-8
Downloading the New Software . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-11
Inband Download Instructions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-15
Troubleshooting . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-19
ProComm Problems . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-20
Ethernet Management Module Problems . . . . . . . . . . . . . . . . . 5-21
Appendix A — Specifications
General Specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . A-1
Electrical Specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . A-2
Environmental Specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . A-2
Mechanical Specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . A-3
Hardware Specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . A-3
Memory . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . A-3
Special Circuits . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . A-3
ONline Ethernet Management Module Installation and Operation Guide vii
Download from Www.Somanuals.com. All Manuals Search And Download.
Appendix B — RS-232 Cable Specs and Modem Use
RS-232 Cable Specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . B-1
Modem Use . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . B-2
Appendix C — MIB Groups
MIB-II Groups . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . C-1
3Com MIB Groups . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . C-2
Appendix D — Technical Support
On-line Technical Support . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . D-1
Email Technical Support . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . D-2
World Wide Web Site . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . D-2
Support from Your Network Supplier . . . . . . . . . . . . . . . . . . . . . . . . . . . D-2
Support from 3Com . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . D-3
Returning Products for Repair . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . D-4
Accessing the 3Com MIB . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . D-4
3Com Technical Publications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . D-5
Index
viii ONline Ethernet Management Module Installation and Operation Guide
Download from Www.Somanuals.com. All Manuals Search And Download.
Figures
Figure 1-1.
EMMs in Network Configuration . . . . . . . . . . . . . . . . . . 1-3
Figure 1-2.
Ethernet Management Module Communication in the
ONline System Concentrator . . . . . . . . . . . . . . . . . . . . . . 1-3
Figure 1-3.
Figure 2-1.
Figure 2-2.
Figure 2-3.
Figure 3-1.
Figure 3-2.
Figure 3-3.
TriChannel Backplane Architecture Assignments . . . . . . . 1-9
Installing the Ethernet Management Module . . . . . . . . . . 2-4
Installed EMM Connected to a Terminal . . . . . . . . . . . . . 2-5
Ethernet Management Module Faceplate . . . . . . . . . . . . 2-6
The 17-Slot ONline System Concentrator . . . . . . . . . . . . 3-8
The 6-Slot ONline System Concentrator . . . . . . . . . . . . . 3-9
The 6-Slot ONline System Concentrator with Integrated
Controller . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-9
Figure 3-4.
Figure 5-1.
Figure 5-2.
Figure 5-3.
Figure 5-4.
Figure 5-5.
Figure 5-6.
Figure 5-7.
Figure 5-8.
Figure 5-9.
Figure B-1.
Sample Remote Connection . . . . . . . . . . . . . . . . . . . . . 3-23
Initial Installation Screen . . . . . . . . . . . . . . . . . . . . . . . . . 5-5
ProComm Installation Screen . . . . . . . . . . . . . . . . . . . . . 5-7
Post-ProComm Installation Screen . . . . . . . . . . . . . . . . . . 5-7
Initial UDK Installation Screen . . . . . . . . . . . . . . . . . . . . . 5-9
ProComm Status Line Screen . . . . . . . . . . . . . . . . . . . . 5-10
ProComm Menu Screen . . . . . . . . . . . . . . . . . . . . . . . . 5-13
ProComm Download Screen . . . . . . . . . . . . . . . . . . . . . 5-14
Exit ProComm Screen . . . . . . . . . . . . . . . . . . . . . . . . . . 5-14
UDK Completion Screen . . . . . . . . . . . . . . . . . . . . . . . . 5-15
Management Interface RS-232 Connector and Cable
Pinouts . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . B-2
ONline Ethernet Management Module Installation and Operation Guide ix
Download from Www.Somanuals.com. All Manuals Search And Download.
x ONline Ethernet Management Module Installation and Operation Guide
Download from Www.Somanuals.com. All Manuals Search And Download.
Tables
Table 1-1.
Ethernet Backplane Combination Reference Chart . . . . . 1-10
Table 1-2.
Token Ring Backplane Combination Reference
Chart . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-10
Table 1-3.
Table 2-1.
FDDI Backplane Combination Reference Chart . . . . . . . . 1-11
Interpretation of the Ethernet Management Module
LEDs . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-7
Table 3-1.
Table 3-2.
Quick Reference for Getting Started. . . . . . . . . . . . . . . . . 3-2
EMM Terminal Parameter Options and
Factory Defaults. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-5
Table 4-1.
Table 4-2.
Table 4-3.
Table 5-1.
Table 5-2.
Table B-1.
Applying Power Suggestions . . . . . . . . . . . . . . . . . . . . . . 4-2
EMM Terminal Interface Suggestions . . . . . . . . . . . . . . . . 4-3
EMM Trap Message Fields . . . . . . . . . . . . . . . . . . . . . . . . 4-6
UDK Error Messages . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-20
EMM Download Error Messages . . . . . . . . . . . . . . . . . . 5-22
RS-232 Cable Guidelines . . . . . . . . . . . . . . . . . . . . . . . . . B-1
ONline Ethernet Management Module Installation and Operation Guide xi
Download from Www.Somanuals.com. All Manuals Search And Download.
Download from Www.Somanuals.com. All Manuals Search And Download.
How to Use This Guide
This guide presents the principal features of the 3Com ONline™ Ethernet
Network Management Module (EMM)for version 4.0 software. It includes
instructions for installing the EMM into the ONline System Concentrator
and it also gives a physical description of the EMM, including the LEDs,
Reset Button, and RS-232 serial port connector on the module faceplate.
Instructions are also provided for using the EMM to manage the
concentrator through a terminal connected to the RS-232 serial port
connector. The commands used to configure the EMM to manage the
concentrator and modules are described in Chapter 3.
Troubleshooting procedures that may help diagnose problems during
installation and during operation are provided in Chapter 4.
Acomplete set of alphabetized ONline management commandsisprovided
in the ONline Management Commands Guide (17-00403). Each command
is described in detail with examples of its syntax, options, and use.
ONline Ethernet Management Module Installation and Operation Guide xiii
Download from Www.Somanuals.com. All Manuals Search And Download.
Audience
This guide is intended for the following people at your site:
❑ Network manager or administrator
❑ Hardware installer
Structure of This Guide
This guide contains five chapters, three appendices, and an index:
Chapter 1 - Introduction – Presents the key features and management
functions of the EMM.
Chapter 2, Unpacking and Installing the Module – Provides illustrated
procedures for installing the EMM into the ONline System Concentrator.
This chapter also describes the front panel indicators (LEDs), the Reset
Button, and RS-232 serial port connector. It also explains how to connect a
terminal to the EMM.
Chapter 3, Startup and Management Functions – Explains how to
configure the EMM to manage an Ethernet network. These configurations
include terminal settings, default system values, and configuring the EMM
for communication with SNMP-based management systems. This chapter
also describes how to monitor your Ethernet network using the SHOW
commands.
Chapter 4, Troubleshooting – Provides help in isolating and correcting
problems that may arise during installation and during normal operation.
Chapter 5, Softw are Dow nload Instructions – Explains how to
download new software code to the Flash EPROM in the EMM.
Appendix A, Specifications – Provides technical specifications for the
EMM, such as the electrical and environmental specifications.
xiv ONline Ethernet Management Module Installation and Operation Guide
Download from Www.Somanuals.com. All Manuals Search And Download.
Appendix B, RS-232 Cable Specification and Modem Use –Describes
the various RS-232 cable configurations that can be used to connect a
device to the EMM serial port. This appendix also explains how a modem
should be configured for connection to the EMM.
Appendix C, - MIB Groups – Lists the 3Com MIB groups and the MIB II
groups that the EMM supports.
Appendix D, - Technical Support – Lists the various methods for
contacting the 3Com technical support organization and for accessing
other product support services.
Index
ONline Ethernet Management Module Installation and Operation Guide xv
Download from Www.Somanuals.com. All Manuals Search And Download.
Document Conventions
The following document conventions are used in this manual:
Convention
Courier text
Indicates
User input
Example
In the Agent Information Form,
enter MISin the New Contact
field.
System output
Path names
After pressing the Apply
button, the system displays
the message
Transmitting data.
Bold command
string
Before you begin, read the
readme.txt file located in
/usr/snm/agents.
Italic text in braces User-substituted Use the following command to
identifiers
show port details:
SHOW PORT {slot.all} VERBOSE
Capitalized text in
plain brackets
Keyboard entry Type your password and press
by the user
[ENTER].
Italics
Text emphasis,
Ensure that you press the Apply
document titles button after you add the new
search parameters.
xvi ONline Ethernet Management Module Installation and Operation Guide
Download from Www.Somanuals.com. All Manuals Search And Download.
Convention
Note:
Indicates
Example
A Note. The
information is
important
Note: Use STP lobe
cables for your system.
Caution: A Caution. A
condition may
damage
Caution: Do not put
your installation
diskettes on a
software or
hardware
magnetic surface.
This may damage the
diskettes.
Warning: A Warning. A
condition may
Warning: Wear eye
protection when
performing these
maintenance
threaten
personal safety
procedures.
Related Documents
This section providesinformation on suppo rting documentation, including:
❑ 3Com Documents
❑ Reference Documents
ONline Ethernet Management Module Installation and Operation Guide xvii
Download from Www.Somanuals.com. All Manuals Search And Download.
3Com Documents
The following documents provide additional information on 3Com
products:
17-Slot ONline System Concentrator Installation and Operation
Guide – Explains how to install, operate, and manage the 3Com ONline
17-Slot System Concentrator (Models 5017C-LS and 5017C with load
sharing).
6-Slot ONline System Concentrator Installation and Operation
Guide – Explains how to install, operate, and manage the 3Com ONline
6-Slot System Concentrator.
ONline Token Ring Management Module Installation and Operation
Guide – Explains how to install, operate, and use the 3Com ONline Token
Ring Management Module.
ONline Management Commands Guide – Provides an alphabetized
reference resource describing all ONline management commands.
For a complete list of 3Com documents, contact your 3Com representative.
Reference Documents
The following documents supply related background information:
Case, J., Fedor, M., Scoffstall, M., and J. Davin, The Simple Network
Management Protocol, RFC 1157, University of Tennessee at Knoxville,
Performance Systems International and the MIT Laboratory for Computer
Science, May 1990.
Rose, M., and K. McCloghrie, Structure and Identification of
Management Information for TCP/IP-based Internets, RFC 1155,
Performance Systems International and Hughes LAN Systems, May 1990.
xviii ONline Ethernet Management Module Installation and Operation Guide
Download from Www.Somanuals.com. All Manuals Search And Download.
Introduction
1
This chapter presents an overview of the ONline™ Ethernet Management
Module (EMM) for software version 4.0 software. A brief description of the
new features in version 4.0 is presented first. Also included is a sample
application of using the EMM in a network configuration.
The remainder of this chapter describes:
❑ EMM Overview
❑ Network Management Access
❑ The ONline Backplane Architecture
The ONline Ethernet Management Module
The EMM is a single-slot module designed to work with the 3Com ONline
System Concentrators. The EMM provides connection to an IEEE 802.3
Ethernet Local Area Network (LAN), enabling you to fully manage and
control your Ethernet network down to the port level. In addition, the EMM
contains advanced monitoring and control capabilities which allow you to
configure and check status on all Ethernet modules.
Introduction 1 - 1
Download from Www.Somanuals.com. All Manuals Search And Download.
The major features of the EMM include:
❑ Telnet support for remotely managing the EMM via inband
connection
❑ Inband network management via SNMP for local and remote
configuration capabilities for all concentrators in the network.
❑ Out-of-bandnetworkmanagementviaanRS-232terminalconnection
for local and remote configuration capabilities for all concentrators
on the network
❑ Dynamic network control and management to the module and port
level
❑ Flash PROM designed for quick upgrade to the newest version of
software using inband or out-of-band downloads
❑ Automatic detection of faults and failures
❑ Security features to prevent unauthorized use
❑ Continuous monitoring and reporting of key network statistics
❑ Support of the 3Com TriChannel Architecture, ONdemand
Port-Switching, and fault tolerance capabilities
Figure 1-1 shows a typical implementation of EMMs.
1 - 2 ONline Ethernet Management Module Installation and Operation Guide
Download from Www.Somanuals.com. All Manuals Search And Download.
Figure 1-1. EMMs in Netw ork Configuration
Theory of Operation
The EMM can be installed into any slot in the concentrator and
communicates with all other modules in the concentrator via a dedicated
control bus on the concentrator backplane as shown in Figure 1-2.
Figure 1-2. Ethernet Management Module Communication in the
ONline System Concentrator
Introduction 1 - 3
Download from Www.Somanuals.com. All Manuals Search And Download.
Like media modules installed in the ONline System Concentrator, the EMM
is assigned to a network on the concentrator backplane. The configuration
and fault-detection capability of the EMM is protocol-independent and
enables you to configure all Ethernet modules as well as Token Ring and
FDDI modules. In addition, via the Control Bus, the EMM can configure and
check status on all modules in the concentrator, even if they are assigned to
different networks or are isolated.
If you have modules assigned to different Ethernet networks in a
concentrator, you should use multiple EMMs to track statistics on the
individual networks. For configuration management, however, only one
EMM in the concentrator can be the master EMM - all other EMMs are
considered slaves.
A slave EMM can collect statistics and listen to traffic on the network to
which it is assigned. Since the slave does not have control of the Control
Bus, it cannot configure modules or detect faults. The slave module will
take over as master if the master EMM fails, thus providing fault tolerance
for your concentrator management. The administrator assigns a mastership
priority level between 1 and 10 to each EMM.
Since all EMMs are factory set with a priority level 10, the first EMM you
install will automatically become the master for that concentrator. All other
EMMs you install should have their mastership priority changed to a lower
value so as not to conflict with the first EMM.
1 - 4 ONline Ethernet Management Module Installation and Operation Guide
Download from Www.Somanuals.com. All Manuals Search And Download.
Complete ONline Control
When you install an EMM into a concentrator for the first time and it
becomes master, it automatically learns and saves the configurations of all
existing modules and their ports. The EMM provides the following features
that maximize security and minimize the risk of losing module and port
configuration settings:
❑ All known modules installed in an ONline System Concentrator after
an EMM has been installed will have all ports disabled to prevent
unapproved connections and will be set to the network setting of
isolated. The one exception is when a module is unknown to the
EMM, in which case it will be configured off its dip switch settings.
❑ If you remove any module from the concentrator and then reinstall it,
or another module of the same type in the original slot, the EMM will
automatically configure it as it was as of the last save.
❑ If you replace an EMM with another EMM, the new EMM
automatically learns the module and port configurations. However,
you will need to configure the new EMM to the proper terminal and
device settings.
ONline Ethernet Management Module Versions
There are three versions of the ONline Ethernet Management Module:
Starter(5101M-MGTS),Basic(5101M-MGTB),andAdvanced(5101M-MGTA).
The following paragraphs explain the differences between these three
versions.
The EMM Starter Version
The EMM Starter includes all of the functions of the Basic software, with
the following exception:
❑ Can only manage modules that are assigned to the same network as
the EMM
Introduction 1 - 5
Download from Www.Somanuals.com. All Manuals Search And Download.
The EMM Basic Version
The EMM Basic provides:
❑ Local inband software upgrades using TFTP (Trivial File Transfer
Protocol) in maintenance mode
❑ SNMP support
❑ Out-of-band software upgrade
❑ Modem support (up to 9600 baud)
❑ Master/slave network management
❑ Automatic statistics reporting
❑ Telnet support for remotely managing the EMM via inband
connection
The EMM Advanced Version
The EMM Advanced includes all of the functions of the Basic software plus
the following features:
❑ Local and remote inband software upgrades using TFTP
❑ Enhanced security through MAC address tracking per port
❑ Cross-module redundancy (ability to set port redundancy using
different modules)
❑ The ability to receive traps from other SNMP agents
1 - 6 ONline Ethernet Management Module Installation and Operation Guide
Download from Www.Somanuals.com. All Manuals Search And Download.
Netw ork Management Access
The EMM provides several ways to access network management. For
inband management, the EMM provides built-in SNMP (Simple Network
Management Protocol) agent, the de facto industry standard for network
management. The agent will let you manage EMMs through SNMP-based
network management solutions.
For out-of-band management, you can connect an ASCII terminal to the
RS-232 port on the module faceplate and manage the EMM using the
command-line interface. You also have the flexibility to use Telnet for
inband management using the same extensive command-line interface.
The EMM also provides the Remote_login and Telnet features.
Remote_login is based on the 3Com proprietary protocol, RCP (Remote
Character Protocol). Telnet support is based on a fully compliant TCP/IP
stack.
Netw ork Management Functions
The EMM provides management and control capabilities in six major areas:
❑ Configurations - When logged in under the administrator password,
you can configure the EMM, Ethernet network, modules, ports, and
terminal settings.
❑ Fault, Performance, and Traffic Statistics Monitoring - Typical terminal
management systems only report statistics when you request them.
You can configure the EMM to continuously monitor and report key
statistics by invoking the MONITOR command. The statistics on the
screen are updated periodically to give a snapshot of the network.
❑ Security Control - The EMM provides two important secu rity features
that prevent unauthorized access to devices on the network -
address-to-port security and a two-level password protection feature.
Introduction 1 - 7
Download from Www.Somanuals.com. All Manuals Search And Download.
❑ SNMP Support - SNMP (Simple Network Management Protocol) is a
protocol defined by the Internet community. The EMM acts as an
agent in an SNMP managed environment responding to SNMP
requests and generating SNMP traps.
❑ Inband and Out-of-Band Download - TheEMM provides both inband
and out-of-band download features. An inband download is
performed via TFTP (Trivial File Transfer Protocol). The out-of-band
download is performed using Xmodem software and a connection to
the RS-232 serial port on the front panel of the EMM.
❑ Telnet Support - The Telnet command enables you to log in remotely
to any EMM on the network and manage it from a remote EMM.
You can also manage an EMM from a workstation with Telnet
support.
ONline Backplane Architecture
The 3Com unique backplane architecture provides you with the power and
flexibility to create multiple Ethernet, Token Ring, FDDI networks in one
ONline System Concentrator. This backplane architecture allows the
following networks to run in a single ONline System Concentrator:
❑ seven backplane Token Ring networks and one isolated network
❑ four FDDI networks and one isolated network
Figure 1-3 illustrates how Ethernet, Token Ring, and FDDI networks coexist
on the concentrator backplane. Note in Figure 1-3 that Ethernet networks
and paths correspond. That is, Ethernet_1 network is always allocated to
Ethernet path 1, Ethernet_2 network is always allocated to Ethernet path 2,
and Ethernet_3 network is always allocated to Ethernet path 3.
1 - 8 ONline Ethernet Management Module Installation and Operation Guide
Download from Www.Somanuals.com. All Manuals Search And Download.
available Token Ring networks and 15 Token Ring paths. For FDDI, there
are 4 available FDDI networks and 8 FDDI paths. When you assign a
module or port to a network, the master management module dynamically
allocates the best possible path currently available for your configuration.
Following Figure 1-3 are Table 1-1, Table 1-2, and Table 1-3, which provide
reference tables for configuring Ethernet, Token Ring, and FDDI networks
in one concentrator. These tables define which networks paths are
removed when certain network paths are used. Refer to these charts to
determine the number and types of different protocol combinations you
can have in one concentrator.
You may want to issue the SHOW NETWORK PATHS command before and
after you configure networks to modules or ports to display which network
paths are in use.
TR1
TR2
TR3
TR4
TR5
TR6
Ethernet 1
FDDI 1
FDDI 2
FDDI 3
TR11
FDDI 6
TR12*
TR10
TR9
TR7
FDDI 4
TR8
Ethernet 2
ONline
Backplane
FDDI 5
TR13
TR15
TR14
FDDI 18
Ethernet 3
FDDI 17
*TR12 overlays part of FDDI 6, but it does not affect the Ethernet 2 path.
Figure 1-3. TriChannel Backplane Architecture Assignments
Introduction 1 - 9
Download from Www.Somanuals.com. All Manuals Search And Download.
As shown in Table 1-1, Ethernet_3 is the best Ethernet network selection to
use in a mixed protocol environment because it affects the least amount of
Token Ring and FDDI network paths.
Table 1-1. Ethernet Backplane Combination Reference Chart
Ethernet Paths
Token Ring Paths
FDDI Paths
Ethernet 1 removes
Token Ring 1
Token Ring 2
Token Ring 3
Token Ring 4
Token Ring 5
Token Ring 6
FDDI 1
FDDI 2
FDDI 3
Ethernet 2 removes
Ethernet 3 removes
Token Ring 7
Token Ring 8
Token Ring 9
Token Ring 10
Token Ring 11
FDDI 4
FDDI 5
FDDI 6
Token Ring 13
Token Ring 14
Token Ring 15
FDDI 7
FDDI 8
Table 1-2. Token Ring Backplane Combination Reference
Chart
Token Ring Paths
Ethernet Paths
FDDI Paths
FDDI 1
Token Ring 1 removes Ethernet 1
Token Ring 2 removes Ethernet 1
Token Ring 3 removes Ethernet 1
FDDI 1
FDDI 1 and FDDI 2
1 - 10 ONline Ethernet Management Module Installation and Operation Guide
Download from Www.Somanuals.com. All Manuals Search And Download.
Table 1-2. Token Ring Backplane Combination Reference
Chart (Continued)
Token Ring 4 removes Ethernet 1
Token Ring 5 removes Ethernet 1
Token Ring 6 removes Ethernet 1
Token Ring 7 removes Ethernet 2
Token Ring 8 removes Ethernet 2
Token Ring 9 removes Ethernet 2
Token Ring 10 removes Ethernet 2
Token Ring 11 removes Ethernet 2
Token Ring 12 removes
FDDI 2
FDDI 2 and FDDI 3
FDDI 3
FDDI 4
FDDI 4 and FDDI 5
FDDI 5
FDDI 5 and FDDI 6
FDDI 6
FDDI 6
Token Ring 13 removes Ethernet 3
Token Ring 14 removes Ethernet 3
Token Ring 15 removes Ethernet 3
FDDI 8
FDDI 7 and FDDI 8
Table 1-3. FDDI Backplane Combination Reference Chart
FDDI Paths
Ethernet Paths
Token Ring Paths
FDDI 1 removes Ethernet 1
FDDI 2 removes Ethernet 1
FDDI 3 removes Ethernet 1
Token Ring 1
Token Ring 2
Token Ring 3
Token Ring 3
Token Ring 4
Token Ring 5
Token Ring 5
Token Ring 6
Introduction 1 - 11
Download from Www.Somanuals.com. All Manuals Search And Download.
Table 1-3. FDDI Backplane Combination Reference Chart
FDDI 4 removes Ethernet 2
Token Ring 7
Token Ring 8
FDDI 5 removes Ethernet 2
Token Ring 8
Token Ring 9
Token Ring 10
FDDI 6 removes Ethernet 2
Token Ring 10
Token Ring 11
Token Ring 12
FDDI 7 removes Ethernet 3
FDDI 8 removes Ethernet 3
Token Ring 15
Token Ring 14
Token Ring 15
Where To Go From Here
This chapter presented an overview of the ONline Ethernet Management
Module and its control capabilities. The next chapter, Unpacking and
Installing the Module, explains how you install the module into your
concentrator.
1 - 12 ONline Ethernet Management Module Installation and Operation Guide
Download from Www.Somanuals.com. All Manuals Search And Download.
Unpacking and
Installing the Module
2
This chapter describes the precautionary, unpacking, and installation
procedures for the ONline Ethernet Management Module (EMM). It also
describes the module's front panel LEDs, Reset Button, and RS-232 serial
port connector. After you install the module, follow the steps in Chapter 3
to configure the module for proper operation.
Precautionary Procedures
Electrostatic discharge (ESD) can damage the static-sensitive devices on
circuit boards. To avoid this kind of damage, use the following precautions
when handling the EMM:
❑ Do not remove the board from its anti-static shielding bag until you
are ready to insert it into the concentrator.
❑ Use proper grounding techniqueswhen inspecting and installing the
EMM. These techniques include using a foot strap and grounded mat
or wearing a grounded static discharge wrist strap. An alternate
method is to touch a grounded rack or other source of ground before
you handle the EMM.
Unpacking and Installing the Module 2 - 1
Download from Www.Somanuals.com. All Manuals Search And Download.
Unpacking Procedure
Use the following procedure when unpacking the EMM:
1. Verify that the EMM is the correct model by matching the model
number listed on the side of the shipping carton to the model
number you ordered (5101M-MGTB, 5101M-MGTA, or
5101M-MGTS).
Note that the product model number printed on the shipping box
differs from the model number on the product. The model number
on the shipping box contains the prefix ’3C9’.
2. Remove the module, in its anti-static bag, from the shipping carton.
3. Remove the module from the anti-static shielding bag and inspect it
for damage. Always handle the module by the faceplate being
careful not to touch the components.
4. If the module appears to be damaged, replace it in the anti-static
shielding bag, return it to the shipping carton and contact your local
supplier.
We suggest you keep the shipping carton and anti-static shielding bag in
which your module was shipped in case you later want to repackage the
module for storage or shipment.
We also suggest that you record the serial number of your EMM. A log for
this and other information specific to your modules under the Slot Usage
Chart in Appendix B of the ONline System Concentrator Installation and
Operation Guide.
2 - 2 ONline Ethernet Management Module Installation and Operation Guide
Download from Www.Somanuals.com. All Manuals Search And Download.
Installation Procedures
For a new installation where you have received a new ONline System
Concentrator and all the modules, the following stepsmust be performed
prior to installing the EMM:
❑ Install the concentrator in its location (rack, table, etc.) referring to
the instructions in the ONline System Concentrator Installation and
Operation Guide.
❑ Remove blank panels on the concentrators to expose empty slots for
the Controller Module, EMM, and ONline modules.
❑ Install the Controller Module and ONline modules into the board
guides at the top and bottom of the slots and slide them into the
concentrator. Make sure the connectors are firmly seated in the
backplane of the concentrator.
❑ Fasten the spring-loaded screws on the front panels of the modules
to the concentrator with your fingers (do not overtighten).
❑ Plug the power cord into an outlet and verify that all modules come
up in their default state. Optionally, pressthe LED Test button on the
Controller Module to verify that all LEDs are functional.
Installing the EMM into an existing installation does not require you to
power down the concentrator. The EMM, like allother ONline modules, has
the ability to be “hot swapped,” meaning that you can install the module
into any open slot and remove it with the concentrator in an operating
state. Use the following procedure if you are installing the EMM into an
existing installation.
1. Install the EMM into the board guides at the top and bottom of the
empty slot and slide it into the concentrator as shown in Figure 2-1.
Make sure the connector is firmly seated in the backplane of the
concentrator.
Unpacking and Installing the Module 2 - 3
Download from Www.Somanuals.com. All Manuals Search And Download.
Wait for the Status LED and Master Mgt Module LED to light solid
green. At this point the EMM will learn the default module and port
settings for all modules installed in the concentrator.
Figure 2-1. Installing the Ethernet Management Module
2. Fasten the spring-loaded screws on the front panel of the EMM
faceplate to the concentrator with your fingers (do not overtighten).
3. If a terminal (out-of-band) connection is desired, verify that the
terminal meets the factory defaults of the EMM or you will not be
able to communicate with the module. The default EMM settings are:
–
–
–
9600 baud
8 data bits
No parity
4. Attach one end of an RS-232 cable to the RS-232 serialport connector
on the front of the EMM. Loop the cable through the concentrator
cable tray (if installed) and attach the other end to the RS-232 serial
port connector on a terminal or personal computer as shown in
Figure 2-2.
2 - 4 ONline Ethernet Management Module Installation and Operation Guide
Download from Www.Somanuals.com. All Manuals Search And Download.
Figure 2-2. Installed EMM Connected to a Terminal
The RS-232 cable can be a maximum of 50 ft. in length. There are several
legal RS-232 cable configurations available depending on your installation.
Refer to Appendix B for more information on the exact RS-232 cable that
you need for your installation.
If you want to connect another type of device to the EMM, you can change
the factory default terminal settings of the EMM as described at the
beginning of Chapter 3.
Verifying Operation
This section explains how to verify module functionality.
1. The Status LED on the module should light and the Master Mgt
Module LED should light if this is the master EMM (or the only
management module in the concentrator).
Unpacking and Installing the Module 2 - 5
Download from Www.Somanuals.com. All Manuals Search And Download.
2. The following message should display on the terminal screen once
the module is installed properly and the RS-232 connection is made:
Ethernet Management Module (v4.00), Copyright (c) 1993
Chipcom Corporation
The EMM Front Panel
The EMM has three LEDs on the front panel that indicate the status of the
module, one button to reset the module, and one RS-232 serial port
connector used to connect the EMM to a terminal or modem. Figure 2-3
shows the features of the EMM faceplate and Table 2-1 describes the LEDs.
Figure 2-3. Ethernet Management Module Faceplate
2 - 6 ONline Ethernet Management Module Installation and Operation Guide
Download from Www.Somanuals.com. All Manuals Search And Download.
Table 2-1. Interpretation of the Ethernet Management Module LEDs
LED Name Color State Indicates
Status Green Power off
Off
On
Power on
Blinking
Off
Error
Master Mgt
Module
Green
Yellow
EMM is a slave
EMM is a master
Not downloading
On
Download in
Progress
Off
On
Downloading new
software to EMM flash
EPROM
Status LED
The Status LED displays a steady green glow to indicate that power is being
provided to the EMM and that the EMM is working properly. This LED
blinks when an error occurs during operation or if an error is found when
diagnostics are performed during a reboot. Refer to Chapter 4,
Troubleshooting, for a description of the error codes.
Master Mgt Module LED
The Master Mgt Module LED displays a steady green glow if this EMM is
the master management module in the concentrator. It also displays a
green glow while a mastership election is in progress and during initial
installation. The LED is off when the EMM is a slave.
Unpacking and Installing the Module 2 - 7
Download from Www.Somanuals.com. All Manuals Search And Download.
Dow nload in Progress LED
The Download in Progress LED displays a steady yellow glow when
software is being downloaded to the Flash EPROM on the EMM. See
Chapter 5, Software Download Instructions, for details on downloading
new software.
Note that you need the Firmware Distribution Kit3Com Firmware
Distribution Kit (part number 5000-FDK) to initiate the download of new
software provided in the Update Distribution Kit (part number
5101M-UDKx-x.xx).
Reset Button
The Reset Button resets the EMM and executes self-test diagnostic routines
(network traffic is not affected). You should press this button only when
you suspect problems with the EMM. The Reset Button is recessed to
prevent an accidental reset, yet you can access it with a pen tip or a small
screwdriver.
When the EMM is reset, it will come up under the last saved configuration
parameters. Pushing this button has the same effect as issuing the RESET
DEVICE command with one exception. Pushing the Reset button will cause
any unsaved changes to be lost. Issuing the RESET command on an EMM
after changes have been made but not saved causes a message to display
warning you that unsaved changes exist. The RESET command aborts and
cannot be executed until the SAVE command is issued.
RS-232 Serial Port
The 25-pin (DB-25) RS-232 serial port is a DTE male connector used to
connect the EMM to a terminal or modem so you can enter management
commands and download new software.
2 - 8 ONline Ethernet Management Module Installation and Operation Guide
Download from Www.Somanuals.com. All Manuals Search And Download.
Where to go From Here
This chapter covered installation procedures for installing the EMM into a
concentrator. Also provided were descriptions of the EMM front panel
LEDs, RS-232 port, and the Reset Button. Now you are ready to set up your
terminal for communication with the EMM and configure the EMM to
begin managing your Ethernet network as explained in Chapter 3. If you
encountered any problems with installing the module or the operation of
the LEDs, refer to Chapter 4, Troubleshooting.
Unpacking and Installing the Module 2 - 9
Download from Www.Somanuals.com. All Manuals Search And Download.
Download from Www.Somanuals.com. All Manuals Search And Download.
Startup and
ManagementFunctions
3
This chapter describes how to configure the EMM once you have
completed the installation procedures outlined in Chapter2. Included in this
chapter is a quick reference chart for getting started. The remainder of this
chapter is organized into the following sections:
❑ Configuring the Terminal
❑ Configuring the EMM
❑ Configuring SNMP Values
❑ Configuring Modules and Ports
❑ Configuring Address-to-Port Security
❑ Establishing Remote Logins
❑ Monitoring With SHOW Commands
The commands necessary to configure the EMM for operation are provided
in this chapter. The EMM supports similar command conventions and
keystroke functions as other ONline management devices. Refer to the
ONline Management Commands Guide (17-00403) for complete
information on all ONline management commands and command
conventions.
Startup and Management Functions 3 - 1
Download from Www.Somanuals.com. All Manuals Search And Download.
Quick Reference for Getting Started
Table 3-1 outlines the steps and commands necessary to configure your
EMM. The procedures and command examples are explained further
throughout this chapter. If you are familiar with these instructions, you may
want to use this table as a checklist.
Table 3-1. Quick Reference for Getting Started
Procedure
Command
1. Configure your terminal to
default
Refer to your terminal vendor's
documentation
EMM communication settings
SET TERMINAL HANGUP
SET TERMINAL PROMPT
SET TERMINAL TIMEOUT
❑ Configure EMM Terminal
Settings
2. Configure the EMM
❑ Concentrator Configuration
SET CONCENTRATOR PLATFORM
SET CLOCK
❑ Device Configuration (EMM)
SET DEVICE CONTACT
SET DEVICE DIAGNOSTICS
SET DEVICE LOCATION
SET DEVICE NAME
SET DEVICE PASSWORD
SNMP Configuration
SET COMMUNITY
SET DEVICE DEFAULT_GATEWAY
SET DEVICE IP_ADDRESS
SET DEVICE SUBNET_MASK
SET ALERT
SET DEVICE TRAP_RECEIVE
(Advanced EMM only)
3 - 2 ONline Ethernet Management Module Installation and Operation Guide
Download from Www.Somanuals.com. All Manuals Search And Download.
Table 3-1. Quick Reference for Getting Started (Continued)
Procedure
Command
SET MODULE
3. Module Configuration
MASTERSHIP_PRIORITY
SET MODULE NETWORK
SET MODULE RING_SPEED
4. Port Configuration
SET PORT
SET PORT MODE
SET SECURITY PORT (Advanced
EMM only)
5. Save All Configuration Values SAVE ALL
6. Monitor the Network and
Device with SHOW commands
❑ Device Information
SHOW DEVICE
SHOW MODULE
SHOW PORT
SHOW CONCENTRATOR
SHOW COUNTER MODULE
SHOW COUNTER PORT
Module Information
Port Information
Concentrator Information
Counter Statistics
❑ EMM Traffic Statistics
SHOW COUNTER NETWORK
Saving and Reverting Configuration Values
When you make configuration changes using the SET command, they are
effective immediately but are not saved permanently. To save commands
permanently, use the SAVE command. Only saved values are in effect upon
reset of the EMM or the concentrator. You can issue the SAVE ALL
command to save all current concentrator configuration values previously
established by the SET command for all categories. Or you may issue a
specific SAVE command to save the configurations of only one group.
Startup and Management Functions 3 - 3
Download from Www.Somanuals.com. All Manuals Search And Download.
Use the REVERT command to restore the configuration values in effect at
the time of the last save. Any unsaved changes made using the SET
command are lost. The REVERT and SAVE commands support the same
configuration groups as defined below.
❑ Alert
❑ All
❑ Community
❑ Concentrator
❑ Device
❑ Security
❑ Module_Port
❑ Terminal
❑ TFTP
Configuring the Terminal
The terminal that attaches to the serial port on the EMM must be
configured to the same parameter settings as the EMM so the terminal and
EMM can communicate. These settings include baud rate, data bits, parity,
and stop bits. Initially, the terminal settings must match the factory default
settings of the EMM as specified in Table 3-2. Consult the user's guide
shipped with your computer terminal for instructions on how to set these
values
3 - 4 ONline Ethernet Management Module Installation and Operation Guide
Download from Www.Somanuals.com. All Manuals Search And Download.
.
Table 3-2. EMM Terminal Parameter Options and Factory Defaults
Parameter Options Factory Default
Baud 300, 1200, 2400, 4800, 9600 9600
Data_bits
Parity
7 or 8
8
odd, even, or none
1 or 2
none
2
Stop_bits
Once you have configured your terminal to match the factory defaults of
the EMM, press [ENTER] and the following greeting is displayed:
Ethernet Management Module (v4.00) Copyright (c) 1993 Chipcom Corporation
Press [ENTER] again and the EMM prompts you for a password. Enter the
password and then press [ENTER] (the default password is a null string).
The following greeting and the default management prompt is displayed:
Welcome to system administrator service on ONline.
ONline>
You are now logged in as the administrator with full access to all
commands. Once terminal settings are complete, you can configure the
ONline System Concentrator, the newly installed EMM, and all other ONline
modules residing in the concentrator.
When you are done using the EMM, save all changes, and then log out of
the system using the LOGOUT command. Provided you have saved all
changes before issuing this command, you are logged out of the system
and the following message displays:
ONline> logout
Bye
[ENTER]
Startup and Management Functions 3 - 5
Download from Www.Somanuals.com. All Manuals Search And Download.
If you have made configuration changes and you have not saved those
changes, the LOGOUT command prompts you as follows:
ONline> logout
[ENTER]
WARNING: Save unsaved changes before logout.
You must either SAVE or REVERT any changes you made to the system
before you can successfully log out. Re-issue the LOGOUT command to log
out of the system once you have saved or reverted.
Optional Terminal Settings
The EMM provides three additional terminal management commands that
allow you to customize your terminal connection:
❑ terminal hangup
❑ terminal prompt
❑ terminal timeout value
These terminal settings are discussed in the following paragraphs. Also
included in this section is the procedure to change the terminal's setting if
you need to connect another device to the EMM that runs at a slower baud
rate or different parity or data bits values than the factory settings.
Setting Terminal Hangup
If you use a modem connection to the EMM, you may want to use the SET
TERMINAL HANGUP command to specify that the modem automatically
hang up the connection to the terminal when you log out of the EMM. The
factory default is disable, which means the modem will not automatically
hang up when you log out of the connection. If you fail to hang up the
modem connection, an unauthorized user may pick up the last login
session.
Use the SET TERMINAL HANGUP command as shown to automatically
hang up the modem connection once you log out of the EMM:
ONline> set terminal hangup enable
[ENTER]
3 - 6 ONline Ethernet Management Module Installation and Operation Guide
Download from Www.Somanuals.com. All Manuals Search And Download.
Setting Terminal Prompt
It is a good idea to customize the management prompt for each EMM. This
will remind you of the EMM to which you are connected in the case where
you are logged into a remote EMM. The default management prompt is
“ONline>” for all Hems. Use the SET TERMINAL PROMPT command as
shown to customize your management prompt. 3Com recommends that
you use the same identification to specify the terminal prompt and device
name for your EMM.
ONline> set terminal prompt NEW PROMPT>
[ENTER]
Setting Terminal Timeout
For optimum security, you should set the terminal timeout value to specify
the amount of time you want your terminal to remain active during the
absence of any keyboard activity. This feature is useful for keeping
unauthorized users off the system if you leave your terminal without
logging off. Once timeout has been set, the terminal will automatically log
you off the system if there is no terminal (keyboard) activity for the period
of time you have specified.
The default timeout value is 0, which means that no timeout has been set -
you will never be logged off automatically. Use the SET TERMINAL
TIMEOUT command as shown to set the timeout period. Note that the
value specified is in minutes.
ONline> set terminal timeout 10
[ENTER]
Configuring the EMM
This section describes the commands necessary for startup and
management of your concentrator and EMM. You need to define the
following settings for your EMM:
❑ Passwords
❑ EMM Name
Startup and Management Functions 3 - 7
Download from Www.Somanuals.com. All Manuals Search And Download.
❑ Diagnostics
❑ Contact Name and Location
Use the following command to set the EMM's internal clock.
ONline> set clock 5:53 93/03/6 Saturday [ENTER]
Use the following command to define the concentrator platform for your
EMM.
ONline> set concentrator platform {5006C}
[ENTER]
{5006C-FT}
Note: Use the 5006C designation for all 6-slot concentrators.
Figure 3-1, Figure 3-2, and Figure 3-3 show an ONline 17-Slot System
Concentrator, an ONline 6-Slot System Concentrator, and an ONline 6-Slot
System Concentrator with Integrated Controller, respectively. As the names
imply, there are 17 available slots (numbered from left to right) on the large
concentrator and 6 slots (numbered top to bottom) on the smaller
concentrators.
2
3
4
5
6
7
9
12
13
14
16
17
SLOT
1
8
10
11
15
Figure 3-1. The 17-Slot ONline System Concentrator
3 - 8 ONline Ethernet Management Module Installation and Operation Guide
Download from Www.Somanuals.com. All Manuals Search And Download.
1
2
3
4
5
6
Figure 3-2. The 6-Slot ONline System Concentrator
1
2
3
4
5
6
Figure 3-3. The 6-Slot ONline System Concentrator w ith Integrated
Controller
Setting Device Passw ord
The EMM provides two levels of password protection to protect against
unauthorized access to the EMM console and possible network tampering.
❑ Administrator. The administrator password provides access to all
EMM commands.
❑ User. The user password allows limited access to EMM commands
enabling status and configuration displays only.
Startup and Management Functions 3 - 9
Download from Www.Somanuals.com. All Manuals Search And Download.
Both the administrator and the user password can be a maximum of 15
characters in length. Note that you must enter a password within 10
seconds following the display of the Password: prompt, or the terminal will
display “Timeout.” If this happens, press [CTRL] [R] to redisplay the SET
DEVICE PASSWORD command. The new passwords you set go into effect
immediately, but you must issue the SAVE DEVICE (or SAVE ALL) command
to save the new passwords.
Establishing the Administrator Passw ord
Use the following command to establish the administrator password.
ONline> set device password administrator [ENTER]
Enter current administrator password: {old password} [ENTER]
New password:
Verify:
{new password} [ENTER]
{new password} [ENTER]
Note: For security purposes, the values you enter in the password
fields are not displayed on the screen.
You do not need to use the new administrator password until the next time
you log in to the EMM.
As EMM administrator, you can configure the following:
❑ Device - This includes naming the EMM, establishing passwords,
setting mastership priority, setting SNMP Values, as well as providing
location and contact information.
❑ Modules - The EMM can assign each module in the ONline System
Concentrator to one of the available networks or isolate it (not
connect that module to any network). Reconfiguration of network
assignments can be done at any time, without removing a module
from the concentrator or disrupting other configuration settings. If a
module is removed from the concentrator slot and replaced with the
same module type in the same slot, the new module will be
configured to the settings of the previous module installed in that
slot.
3 - 10 ONline Ethernet Management Module Installation and Operation Guide
Download from Www.Somanuals.com. All Manuals Search And Download.
❑ Ports - The EMM can assign each port on a per-port switching ONline
module to one of the available networks. Reconfiguration of network
assignments can be done at any time, without removing the module
from the concentrator or disrupting other configuration settings.
❑ Override Control - The EMM can override all ONline module dip
switch settings.
❑ Terminal - EMM terminal configuration values can be modified to
meet your particular application requirements.
❑ Security - The EMM address-to-port security feature enables you to
assign a maximum of four MAC addresses to a port. Whenever a
device assignment is changed, the EMM is alerted to the change in
MAC Address, sends a trap to the designated workstation, and
automatically disables that port.
❑ Fault Tolerance - The EMM can assign the ports of some modules
(e.g., Fiber Module, 10BASE-T Module) as redundant pairs in order to
provide fault-tolerant links between concentrators or between
devices (when using Fault-Tolerant Transceivers).
Establishing the User Passw ord
Use the following command to establish a user password. Note that you
must be logged in as administrator to change the user password. The
default user password is [ENTER].
ONline> set device password user
[ENTER]
Enter current administrator password: {administrator password} [ENTER]
New password:
Verify:
{new user password} [ENTER]
{new user password} [ENTER]
Startup and Management Functions 3 - 11
Download from Www.Somanuals.com. All Manuals Search And Download.
Assigning an EMM Name
To make identification of your EMMs easier, 3Com recommends that you
assign a unique name to each EMM. You can then use this name instead of
the IP address or MAC address to refer to a particular EMM. Use the SET
DEVICE NAME command as shown to assign a unique name to your EMM.
The EMM name can be a maximum of 31 characters.
ONline> set device name EMM3 [ENTER]
3Com recommends that you use the same identification to specify the
terminal prompt and the device name for your EMM.
Setting Device Diagnostics
When the EMM is reset (or rebooted) using the factory default settings, the
module performs a full diagnostic check of itself and then sets all the
modules to the appropriate settings. You have the option to disable the
diagnostics if you want the EMM to boot up faster. Use the SET DEVICE
DIAGNOSTICS command as shown to bypass the diagnostics.
ONline> set device diagnostics disable [ENTER]
Assigning a Contact Name and Location
The EMM enables you to enter the name of an appropriate service contact
and the concentrator location. Use the SET DEVICE LOCATION and SET
DEVICE CONTACT commands as shown to identify the location of the EMM
and the name of the person responsible for EMM operation. These
commands allow you to enter one line of free format text up to 78
alphanumeric characters in length. Note that you must enter the line of text
within 15 seconds of receiving the prompt or the command will timeout.
ONline> set device location [ENTER]
ONline> set device contact [ENTER]
3 - 12 ONline Ethernet Management Module Installation and Operation Guide
Download from Www.Somanuals.com. All Manuals Search And Download.
Configuring SNMP Values
SNMP (Simple Network Management Protocol) is a protocol defined by the
Internet community. All TCP/IP-type traffic is encapsulated in Ethernet
frames. The EMM supports SNMP by responding to SNMP requests and
generating SNMP traps. An EMM acts as an agent in an SNMP- managed
environment, enabling you to configure your EMM and all modules in the
concentrator through SNMP. It has a community table that can contain up
to 10 IP addresses.
An IP Address entry in a community table may have one of the following
attributes assigned:
–
read-only allows the specified IP address to read SNMP
variables via the SNMP GET command
–
read-w rite allows the specified IP address to read and
write SNMP variables via the SNMP GET and SNMP SET
commands, respectively
–
–
–
trap sends a trap to the specified IP address when an
SNMP variable is changed
read-trap allows the specified IP address to read SNMP
variables and receive traps
all (read-w rite, and trap)allows the specified IPaddress
to read SNMPvariables, change the variablesvia the SNMP
SET command and receive traps whenever an SNMP
variable is changed.
–
–
oldtrap access means that the IP Address you specifywill
receive alerts from the EMM based on the 3Com MIB I.
read_oldtrap access means that the IP Address you
specify can display information about the EMM and it will
receive alerts based on the 3Com MIB I.
–
oldall access means that the IP Address you specify has
read_write and trap access to the EMM based on the
3Com MIB I.
Startup and Management Functions 3 - 13
Download from Www.Somanuals.com. All Manuals Search And Download.
Note: When you use the IP Address entry of all, you cannot use
trap, read_trap, or all access.
The three “old” trap options should be used when sending traps to
workstations using the 3Com MIBI variables. Allthe non-”old" trap options
should be used when sending traps to workstations using the 3Com MIB II
variables.
An EMM sends alarms to those IP addressesin the community table having
either trap, read-trap, or all attributes. The EMM and all modules in the
concentrator can be configured via SNMP from stations having IP addresses
with either read-write or all attributes. Finally, the EMM can be monitored
from stations having IP addresses with read-only, read-write, read-trap, or
all attributes.
An EMM can receive SNMP alarms from SNMP devices on the network
(including itself) once the EMM's IP address and accompanying attributes
have been added to the community table of the SNMP device generating
the alarms, and the SET ALERT feature is enabled.
For example, if a major fault condition causes a port to be disabled, an
SNMP alarm is generated and displays to the terminal or workstation. This
feature enables you to analyze network information simply by accessing a
single EMM instead of having to be at the network management
workstation.
If you plan to manage your concentrator through an SNMP workstation,
you must set the following attributes for the EMM:
❑ IP Address
❑ Community Table
❑ Alerts
❑ Subnetwork Mask
❑ Trap Receive
❑ Default Gateway
3 - 14 ONline Ethernet Management Module Installation and Operation Guide
Download from Www.Somanuals.com. All Manuals Search And Download.
Assigning IP Addresses
To run SNMP properly, every device on your network must have a unique IP
address. Use the SET DEVICE IP_ADDRESS command as shown to assign an
IP address for the EMM on network 1. Note that you can set separate IP
addresses for each of the individual networks on the concentrator
backplane.
ONline> set device ip_address 195.36.58.27 network_1 [ENTER]
Creating a Community Table
The community table defines which SNMP stations on the network can
access information from the EMM and which station(s) will receive a trap
from the EMM when the EMM detects an error. For example, the following
command adds a community name of NCS with IP Address195.36.5 8.217
to have read_write access:
ONline> set community NCS 195.36.58.217 read_write
[ENTER]
Note that community entry names are case-sensitive. For example NCS and
ncs are different community names. Use the SHOW COMMUNITY
command to view existing community entries.
Configuring the Alert Setting
The SET ALERT command enables or disables the feature used to send an
alert to the management workstation. The following command enablesthe
alert feature. Therefore, when a configuration change is made to the
concentrator via SNMP, an alert will be sent to the management
workstation.
ONline> set alert change enable [ENTER]
Refer to the SET ALERT command in the ONline Management Commands
Guide for information on the different types of alerts available through this
command.
Startup and Management Functions 3 - 15
Download from Www.Somanuals.com. All Manuals Search And Download.
Setting a Subnetw ork Mask
The subnetwork mask is specific to each type of Internet class. Generally,
the subnetwork mask is a group of common characters appearing on the
left side of an IP Address (called the Network ID), while the host address is
the group of unique characters appearing on the right side of an IP
Address. For example, to set the subnetwork mask for a class C address
without subnetworks, enter the following command:
ONline> set device subnet_mask FF.FF.FF.00 all [ENTER]
The subnetwork mask for a class B device without subnetworks would be
set using the following command:
ONline> set device subnet_mask FF.FF.0.0 network_1
[ENTER]
Note that you can set separate subnetwork masks for each of the individual
networks on the concentrator backplane, or the same subnetwork mask
for all of the networks on the concentrator backplane.
Defining the Default Gatew ay
The default gateway is the IP Address of the gateway that receives and
forwards packets whose addresses are unknown to the local network. The
default gateway is useful when sending EMM alert packets to a
management workstation on a different network. For example, the
following command specifies that the gateway with address 195.3.6.58 is
to become the default gateway:
ONline> set device default_gateway 195.3.6.58 all [ENTER]
Note that you can set separate default gateways for each of the individual
networks on the concentrator backplane, or the same default gateway for
all of the networks on the concentrator backplane.
3 - 16 ONline Ethernet Management Module Installation and Operation Guide
Download from Www.Somanuals.com. All Manuals Search And Download.
Enabling Trap Receive
The Advanced version of EMM software providesyou with the ab ility to set
the EMM as a trap receiver. As a trap receiver, the EMM receives traps from
other SNMP devices that have the EMM's IP address in their community
table.
Use the following command to enable an EMM to function as the trap
receiver for other SNMP devices on the network.
ONline> set device trap_receive enable [ENTER]
Note: You must add the EMM's IP Address to a device's
community table in order for that device to be able to send
traps to the EMM.
Configuring Modules and Ports
This section describes how to assign the EMM and media modules to an
Ethernet network and how to configure ports. Also discussed is the
importance of setting the appropriate mastership priority level for your
EMM. Appendix B of the ONline System Concentrator Installation and
Operation Guide provides a chart to record the values you set for modules
in your concentrator.
Assigning Module Netw orks
Modules assigned to the same network form a segment. Modules assigned
to different networks cannot communicate with each other unless the
networks are bridged. All ONline modules, except the Fault-Tolerant
Controller Module and the Token Ring MAU Module can be assigned to a
network. The Controller Module does not require a network assignment as
it only connects to the control bus and the Token Ring MAU Module is
connected through its trunk or Ring In/Ring Out ports.
Startup and Management Functions 3 - 17
Download from Www.Somanuals.com. All Manuals Search And Download.
If you isolate a module, the isolated module cannot send or receive any
traffic from other modulesin the concentrator. Initially, all ONline modules
are factory-set to network 1, but will come up isolated if a management
module is installed in the concentrator.
Use the following command to assign the Ethernet module in slot 7 to
network ethernet_1:
ONline> set module 7 network ethernet_1 [ENTER]
Assigning Module Mastership Priority
All ONline management modules are shipped from the factory with a
mastership priority level of 10. Ten is the highest priority. When multiple
management modules reside in the same concentrator, the SET MODULE
MASTERSHIP_PRIORITY command enables you to establish one of the
modules as master management module and all other modules as slaves.
An EMM master manages the network to which it is assigned, controls all
configuration, and supplies all fault-detection capabilities for the entire
concentrator. A slave management module can only listen to its assigned
network's activity. Both master and slaves can collect statistics on only one
network at a time.
The first EMM you place in a concentrator should maintain the default
mastership priority level of 10. Once installed, the priority levels of all other
EMMs should be changed to a different mastership priority level.
Use the following command to set the EMM in slot 3 to mastership priority
10:
ONline> set module 3 mastership_priority 10 [ENTER]
Once mastership priorities are assigned, you must issue the RESET
MASTERSHIP command to initiate an election. During an election, the
management module with the highest assigned mastership priority
becomes the master. The new mastership setting is in effect immediately,
but you must use the SAVE MODULE_PORTcommand to save this priority
permanently.
3 - 18 ONline Ethernet Management Module Installation and Operation Guide
Download from Www.Somanuals.com. All Manuals Search And Download.
Note: When you power up a concentrator in which more than
one management modules is set to priority level 10, one
management module is randomly chosen as master. 3Com
recommends that you assign priority level 10 to only one
management module in the concentrator.
Setting Port Mode
Use the SET PORT command to enable port 1 on the module in slot 3:
ONline> set port 3.1 mode enable [ENTER]
Setting Port Netw ork
Use the SET PORT NETWORK command to assign a port to a specific
network. This command applies to 3Com modules (e.g., the ONline
Ethernet Bridge Module) where individual ports are network-selectable.
This example assigns port 1 on the module in slot 7 to network ethernet_3.
ONline> set port 7.1 network ethernet_3 [ENTER]
Setting Redundant Ports
Use the SET PORT MODE REDUNDANT command as shown to set
redundancy between port 1 on the module in slot 5 to port 2 on the
module in slot 7.
ONline> set port 5.1 mode redundant 7.2 [ENTER]
Startup and Management Functions 3 - 19
Download from Www.Somanuals.com. All Manuals Search And Download.
Configuring Address-to-Port Security
The Advanced EMM providesaddress-to-port secu rity which enables you to
assign a maximum of four MAC Addresses to individual ports in your
network. This allows the EMM to detect a change in the MAC Addressof a
station connected to a port whenever a different device is connected to
that port. When a master EMM detects such an address change, it disables
the port to preserve network security, and sends a trap to all stations with
trap or all access in its community table.
A slave EMM (Advanced) can also detect a change in a port's MAC address.
The slave EMM will send a trap to all stations in its community table,
however, it cannot disable the port. Once you are alerted to the trap
(displayed on the EMM console or workstation), you must issue the SET
PORT MODE DISABLE command to disable the port.
Once you have determined and rectified the intruding station, you must
issue the SET PORT MODE ENABLE command to re-enable the port.
Note: All versions of the EMM (i.e., Starter, Basic, Advanced) are
capableofmanaging the ONline 10BASE-TSecurityModule.
However, only the Advanced EMM supports management
security features. Therefore, when you use a Starter or
Basic EMM to issue a security command using the 'all'
option, the EMM scans the concentrator for Security
Modules and initiates the command on Security modules
only.
When you use an Advanced EMM to issue a security command
using the 'all' option, the EMM will initiate the command on all
Ethernet modules that support security.
3 - 20 ONline Ethernet Management Module Installation and Operation Guide
Download from Www.Somanuals.com. All Manuals Search And Download.
To implement port security, assign a MAC Address to a given port before
you enable the security feature for that port.
Issue the following command to assign a MAC Address to port 3 on the
module in slot 6:
ONline> set security port 6.3 mac_address 08-00-8f-12-c0-09 [ENTER]
Use the following command to enable the security feature for all ports on
the module in slot 7. Prior to enabling the security feature, you must already
have assigned a MAC Address to each port:
ONline> set security port 7.all mode enable [ENTER]
Use the SHOW SECURITY PORT command to display the MAC addressand
security setting for a specific module and port, for all ports, or for all port's
of a specific module.
The following example displays security settings for all of the ports on the
Fiber Module in slot 16.
ONline> show security port 3.all verbose
[ENTER]
Security Display for Module 5104M- FB in Slot 3:
Port Mode
MAC Addresses
General Information
16.01 ENABLED
16.02 ENABLED
08-00-8f-1b-0b-ad ETHERNET_1
08-00-8f-3c-c6-1e ETHERNET_1
16.03 DISABLED 08-00-8f-00-0e-c6 ETHERNET_1
16.04 DISABLED 08-00-8f-00-0e-2e ETHERNET_1
Managing Security w ith EMM Master and Slaves
When managing security in Ethernet modules (other than the 5112M-TPLS
Security Module), 3Com recommends that all security configuration
changes to an Ethernet module only be issued through the EMM (master or
slave) that is managing the network to which that module is assigned. This
eliminates the possibility of having two different security configurations for
one module stored in two EMMs. (This consideration does not apply to the
Security Module because only a master EMM is capable of managing it.)
Startup and Management Functions 3 - 21
Download from Www.Somanuals.com. All Manuals Search And Download.
By following this guideline, you will avoid having security configuration
information restored incorrectly in the unlikely event both the master EMM
and concentrator power fail concurrently, with at least one slave EMM in
the concentrator. In this scenario, the slave will power up and become
master, and will configure a module's security settings according to the
information stored in its memory. This information may be different than
the previous master EMM's information if you made security configuration
changes using the slave rather than the master.
Establishing Remote Logins
The TELNET command and the REMOTE_LOGIN command enable you to
log in remotely to any EMM on the network, and to manage the network
remotely (from a terminal attached to a remote EMM, or from a
workstation with Telnet support). You can manage an EMM across any
number of bridges and routers.
TELNET command or the REMOTE_LOGIN command. Once you are
connected to the remote EMM, you must enter that EMM's password.
Then, all the commands you issue are for that EMM and are identical to
those issued under a local login.
As shown in Figure 3-2, once you are connected to the EMM in
Concentrator C, you can remotely log in and manage the EMMs in
Concentrators A and B.
3 - 22 ONline Ethernet Management Module Installation and Operation Guide
Download from Www.Somanuals.com. All Manuals Search And Download.
Concentrator A
EMM IP Address 1.2.3.4
Concentrator B
Concentrator C
Dial-in
Modem
Dial-in
Modem
RS-232 Link
Figure 3-4. Sample Remote Connection
Use the TELNET command and specify the IP Addressof the remote device
to which you want to connect.
ONline> telnet 127.3.6.58 [ENTER]
Note that you are only allowed one Telnet login session per EMM.
Therefore, it is not possible to be logged into Concentrator A and
Concentrator B (in Figure 3-2) simultaneously.
Use the REMOTE_LOGIN command and specify the EMM name, IP address
or MAC address of the remote EMM to which you want to connect.
ONline> remote_login 127.3.6.58 [ENTER]
Refer to the ONline Management Commands Guide for a complete
description of the TELNET and REMOTE_LOGIN commands.
Startup and Management Functions 3 - 23
Download from Www.Somanuals.com. All Manuals Search And Download.
Logging Out From a Remote Session
When you no longer need to be connected to a remote device, enter the
LOGOUTcommand. Thiscommand disconnectsthe remote connection and
reconnects the session with the local EMM. Once this is done, the local
management prompt returns to the local screen.
If TIMEOUT has been set for the remote EMM and the time runs out, you
will be logged out of the remote EMM and returned to the local EMM.
Unsaved changes are still in effect, but they will be lost if the EMM is reset.
To save these changes, re-establish connection to the EMM and issue the
SAVE command.
Monitoring With SHOW Commands
The EMM enables you to display device (EMM), module, port, and
concentrator configuration settings using the SHOW commands.
Show ing Device Information
Use the SHOW DEVICE command to view the current EMM information.
ONline> show device [ENTER]
3Com Advanced Ethernet Management Module (5101M-MGTA)
v4.00.0 AgentOS SNMP
Name: ONline
Location: Wiring Closet 3
For assistance contact: Network Administrator
Boot EPROM Version: v3.2
Number: 850836 Restarts: 7
Serial
Flash EPROM Version: v4.00-A Service Date: 93/06/16
Network
IP Address
Subnet Mask
Default Gateway
1 *
2
3
151.104.002.205 FF.FF.00.00
151.104.006.214 FF.FF.00.00
151.104.006.214 FF.FF.00.00
151.104.002.001
151.104.006.001
151.104.006.001
3 - 24 ONline Ethernet Management Module Installation and Operation Guide
Download from Www.Somanuals.com. All Manuals Search And Download.
MAC Address: 08-00-8F-10-6B-B3
Dip Configuration: DISABLED
Diagnostics: ENABLED
Trap Receive:
ENABLED
Show ing Module Information
Use the SHOW MODULE ALL command to view information about all of
the modules currently installed in the concentrator:
ONline> show module all
[ENTER]
Slot Module Version Network
General Information
01
03
05
5000M-RCTL xx
5104M-FBP xx
5108M-TP xx
N/A
ETHERNET_1
ISOLATED
Active Redundant Controller
*15 5101M-MGT xx
ETHERNET_1 Master Management Module
In this example, slot 1 contains the Controller Module, slot 3 contains a
Fiber Module on network 1, slot 5 contains a 10BASE-T Module that is
isolated from the backplane networks, and slot 15 contains a master EMM
on network 1.
For additional information about a module, issue the SHOW MODULE
VERBOSE command. The example below displays more detailed
information about the EMM in slot 15.
ONline> show module 15 verbose
[ENTER]
Slot Module
Version Network
General Information
*15 5101M-MGT xx
ETHERNET_1 Master Management Module
5101M-MGT: ONline Ethernet Management Module
Mastership_priority:
Station Address:
10
08-00-8F-10-6B-B3
Startup and Management Functions 3 - 25
Download from Www.Somanuals.com. All Manuals Search And Download.
Show ing Port Information
The EMM enables you to display the status of all module ports. Use the
SHOW PORT command to display the mode and status of one port or all
ports. Use the VERBOSE option as shown to display detailed information
about a specific port.
ONline> show port 16.1 verbose [ENTER]
Port Display for Module 5104M-FBP:
Port Mode
Status
Network
General Information
16.01 DISABLED LINK FAILURE
ETHERNET_1
Port Alert Filter:
Port Connector:
Mode Dip Setting:
DISABLED
FIBER
ENABLED
Issue the SHOW PORT ALL command to display information for all ports on
a four-port Fiber Module installed in slot 3.
ONline> show port 3.all [ENTER]
Port Display for Module 5104M-FBP:
Port Mode
03.01 ENABLED OKAY
03.02 ENABLED LINK FAILURE ETHERNET_3
Status
Network
ETHERNET_3
General Information
Port is down
03.03 ENABLED OKAY
03.04 ENABLED OKAY
ETHERNET_3
ETHERNET_3
Show ing Concentrator Information
The SHOW CONCENTRATOR command reports the status of the primary
and backup power supplies and temperature status for that concentrator.
ONline> show concentrator
[ENTER]
Concentrator Information:
Concentrator Type: 5017C
Primary power supply status: NORMAL
Backup power supply status: NORMAL
Temperature sensor status: NORMAL
3 - 26 ONline Ethernet Management Module Installation and Operation Guide
Download from Www.Somanuals.com. All Manuals Search And Download.
Show ing Counter Statistics
Once the EMM is assigned to a network, it continuously records and
updates traffic and error statistics on all Ethernet stations, ports, and the
network to which it is assigned. The SHOW COUNTER command can be
issued for a module, port, or network.
Issue the SHOW COUNTER command to display the total traffic and error
statistics recorded since either a module or port was first installed, or since
the last time the counters were cleared (using the CLEAR COUNTER
command).
Use the SHOW COUNTER MODULE command as shown to display traffic
and error statistics for the module in slot 3.
ONline> show counter module 3
[ENTER]
Non-zero counters for network ETHERNET_1 on 09 Aug 93:
Slot
Time
Frames
Octets
Bcast
Mcast TooLongErr
CRC Err AlignErr Collisions
Remote
––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––
3
1500
9000
500
1325
0
0
162
3
18:17:12
Use the SHOW COUNTER PORT command as shown to report traffic and
error statistics for the ports on module 3.
ONline> show counter port 3.all
Non-zero counters for network ETHERNET_1 on 09 Aug 93:
Slot.Port Frames Bcast CRC Err AlignErr Collisions
Time Octets Mcast TooLongErr
LastSourceAddr Changes
[ENTER]
Remote
LastErrorAddr
––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––
3.1
18:16:28
1200
8600
350
125
0
0
12
1
08-34-8e-41-20-50
13
0
0
08-12-03-3e-74-06
75
3.2
18:16:28
150
200
75
600
1
08-04-23-15-10-67
4
0
0
08-40-65-8e-30-32
75
3.3
18:16:28
150
200
75
600
1
08-75-34-05-30-8d
7
08-35-46-75-60-32
Startup and Management Functions 3 - 27
Download from Www.Somanuals.com. All Manuals Search And Download.
Use the SHOW COUNTER NETWORK command as shown to report traffic
and error statistics for the network to which the EMM is assigned.
ONline> show counter network
[ENTER]
Non-zero counters for network ETHERNET_1 on 9 Aug 93:
Network Frames Bcast
CRC Err AlignErr
Collisions
Time Octets Mcast TooLongErr
Remote/Local
––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––
ETHERNET_1 928
13:24:47 74129
21
129
0
0
1
16502
51
Using the MONITOR Command
The EMM can be set to continuously monitor and report key network
statistics by invoking the MONITOR command. The statistics on the screen
are updated periodically to give you a snapshot of the network activity. The
information displayed by the MONITOR command is current, rather than
cumulative.
Use the MONITOR command to periodically report current network
statistics for the EMM (the frequency of reporting is determined by the
time, expressed in minutes, that you request). Note that the MONITOR
command reports the same information as the SHOW COUNTER
NETWORK command except that the system reports only on the events
occurring for the time you specify.
Where To Go From Here
This chapter described how to configure your EMM to suit your specific
network requirements, as well as how to display information about your
EMM, ONline modules and ports, and the ONline System Concentrator in
which the modules are installed. The next chapter, Troubling, provides
troubleshooting suggestionsfor isolating and correcting problemsthat may
arise during the installation process and normal operations of the ONline
Ethernet Management Module.
3 - 28 ONline Ethernet Management Module Installation and Operation Guide
Download from Www.Somanuals.com. All Manuals Search And Download.
Troubleshooting
4
This chapter provides help in isolating and correcting problems that may
arise during the installation process and normal operations of the ONline
Ethernet Management Module (EMM). It is divided into the following
sections:
❑ Applying Power
❑ EMM and Terminal Interface
❑ EMM Trap and Error Messages
❑ Technical Assistance
❑ EMM Network Impact
Applying Pow er
Under normal conditions, when you install the EMM, the Status LED and
the Mastership LED turns on. The Mastership LED remains on if the EMM is
elected master. Table 4-1 lists some of the common problems that may arise
when installing your EMM, and their solutions
Troubleshooting 4 - 1
Download from Www.Somanuals.com. All Manuals Search And Download.
.
Table 4-1. Applying Pow er Suggestions
Problem
Troubleshooting Suggestions
Power is on, but the Status LED Press the LED check button on the
does not light.
Controller Module to verify that the
LED is not burned out. All the LEDs
should light.
Verify that the EMM is installed
correctly by following the installation
instructions in Chapter 2.
Try the EMM in another slot in the
concentrator.
Press the reset button on the EMM.
If the LED still does not light, the
software on the Flash EPROM may be
corrupted, Try downloading a new
copy of the software as described in
Chapter 5.
If downloading software does not
solve the problem, call your supplier
for assistance.
The Status LED is blinking,
failing diagnostics.
Try the suggestions for the previous
problem.
4 - 2 ONline Ethernet Management Module Installation and Operation Guide
Download from Www.Somanuals.com. All Manuals Search And Download.
Table 4-1. Applying Pow er Suggestions (Continued)
Problem
Troubleshooting Suggestions
Master Mgt LED not lit.
Check if another EMM in the
concentrator is master.
If there is only one EMM in the
concentrator, verify that it is set to a
mastership priority of 10 (using the
SHOW MODULE {slot} VERBOSE
command) and then press the reset
button on the EMM.
Try the suggestions for the previous
problem.
EMM and Terminal Interface
Follow the directions in Chapter 2 for attaching your terminal to the EMM
using the RS-232 serial port connector. Table 4-2 lists some common
problems that may occur when trying to get the EMM to communicate
with the terminal.
Table 4-2. EMM Terminal Interface Suggestions
Problem
Troubleshooting Suggestions
Nothing appears on the screen. Make sure the RS-232 cable meetsthe
specifications detailed in Appendix B.
Make sure the RS-232 cable is
securely connected to both devices.
See Chapter 2 for installation
instructions.
Verify that the baud rates match for
the terminal and the EMM.
Troubleshooting 4 - 3
Download from Www.Somanuals.com. All Manuals Search And Download.
Table 4-2. EMM Terminal Interface Suggestions (Continued)
Problem
Troubleshooting Suggestions
Characters appear on the
screen, but are garbled.
Verify that the EMM and the terminal
settings match for baud, data bits,
stop bits, and parity. These values are
explained in Chapters 3.
The SET command doesn't
work.
Make sure you are logged in as the
Administrator and that you are
connected to the master EMM.
Abbreviated input is used and
pressing [SPACE] does not
complete the input.
Enterenough characters for the EMM
to distinguish between different
commands and options.
Random characters are lost.
Set the flow control on the terminal
to XON/XOFF.
Characters are lost when
Make sure the STOP_BITS value on
connected to the EMM through the terminal is set to 2 STOP_BITS.
a modem.
The management prompt on
the screen is not as you set it.
You may be connected to a remote
device. Refer to the REMOTE_LOGIN
and LOGOUT commands.
Power up (switchover)bringsup Make sure you SAVE your
a different configuration than
the one last set.
configuration changes.
Verify that the DIP_CONFIGURATION
setting isdisabled byusing the SHOW
DEVICE command.
You are not receiving any
Check that the EMM and the
statistics from the concentrator. modules in the concentrator are not
isolated.
4 - 4 ONline Ethernet Management Module Installation and Operation Guide
Download from Www.Somanuals.com. All Manuals Search And Download.
Table 4-2. EMM Terminal Interface Suggestions (Continued)
Problem
Troubleshooting Suggestions
The Master MGT Module LED
blinks sporadically.
Check for multiple EMMs and verify
that only one has been set to a
mastership level of 10.
The >> prompt appears on the The EMM is running in maintenance
screen.
mode. Type BOOT to return to
management mode and the ONline>
prompt.
EMM Trap Messages
A trap message is sent to the console when a change is made or an error
occurs in a concentrator that has an installed EMM. The trap is also sent to
the designated trap receiver (e.g., management workstation) if you have
entered this information in the EMM community table. For example, if a
module is removed from a concentrator, a message that describes the
change is sent to the console, as shown below:
Message received from this device on 15:28 Mon 09 Aug 93:
Enterprise:
Chipcom
Enterprise Specific Trap:
Slot Down
Message Information:
Slot Number:
6
Module Type Number: 6
Module Description: 5108M-TP
Troubleshooting 4 - 5
Download from Www.Somanuals.com. All Manuals Search And Download.
The first two fields in the trap message are described in Table 4-3. The
remainder of the fields are dependent on the type of trap received and are
self-explanatory.
Table 4-3. EMM Trap Message Fields
Field
Description
Enterprise
Describes the enterprise (organization)
responsible for this type of trap message.
Enterprise Specific Trap
One of the following trap messages:
Slot Up or Slot Down
Port Up or Port Down
Trunk Up or Trunk Down
Fatal Error
Environment Change
SNMP traps are also sent to the EMM console when they occur. An
example of an SNMP trap would be when a device attempts to gather
information (read) from the EMM, but the address of the device has not
been added to the community table with that access level. The message
that would appear in this instance is shown below:
Message received from this device on 15:28 Tues 08 Jun 93:
Enterprise:
SNMP Generic Trap:
Chipcom
SNMP Authentication Failure
You also have the option of disabling traps. Use the SET ALERT
PORT_UP_DOWN DISABLE command as described in the ONline
Management Commands Guide to disable traps slot up/down traps.
4 - 6 ONline Ethernet Management Module Installation and Operation Guide
Download from Www.Somanuals.com. All Manuals Search And Download.
Technical Assistance
You can receive assistance for installing and troubleshooting the EMM by
calling either your 3Com reseller or 3Com Technical Support. Be prepared
to supply a representative with the following information:
❑ Description of the problem
❑ Steps you have taken to try and correct the problem
❑ Type and software version of the ONline network management
module being used
❑ Version of software installed on your EMM
❑ Status of the front panel LEDs
❑ Screen information (if available)
❑ Configuration of your concentrator
(you may find it helpful to refer to the Slot Usage Chart in Appendix B
of the ONline System Concentrator Installation and Operation Guide
for a record of this information)
Refer to Appendix D for instructions how to contact Technical Support for
your product.
EMM Netw ork Impact
This section describes the impact of the Ethernet Management Module
(EMM) on the network. It is designed to help the network administrator
identify the source of packets on the network. Specifically, this section will
help identify 3Com generated packets.
Troubleshooting 4 - 7
Download from Www.Somanuals.com. All Manuals Search And Download.
The EMM generates packets on the network (channel) in the following
three instances:
❑ When establishing and maintaining a remote login session (RCP or
Telnet session).
❑ When resolving a name tag (or IP Address) to a network address
(TAG, ARP).
❑ When the EMM is configured to support SNMP, and send Alert
messages.
In all other cases, the EMM does not generate any network activity. Traffic
statistics are collected by operating in promiscuous mode, that is, listening
to each packet on the network. Management of the other modules in the
concentrator is accomplished by utilizing a separate control bus on the
ONline backplane.
Note that when the EMM is isolated from the backplane, it cannot
generate, nor receive, any Ethernet traffic.
3Com Protocols
In order to support the remote login mechanism, 3Com has defined a thin
protocol layer called RCP (Remote Character Protocol). This protocol uses
the IEEE 802.2 link control layer protocol. This implies that remote login
sessions can exist across bridges, but not across a router.
Also, 3Com has defined a support protocol similar to ARP that resolves
names to addresses. This “tag resolution” occurs when a user initiates the
REMOTE_LOGIN or PING command, using the EMM name.
The entire 3Com protocol packet is structured as follows:
802.3 Header 802.2 Header 3Com Protocol Header
Data
4 - 8 ONline Ethernet Management Module Installation and Operation Guide
Download from Www.Somanuals.com. All Manuals Search And Download.
The 802.3 Header is defined by IEEE and consists of:
–
–
–
Destination (MAC) address (6 octets)
Source (MAC) address (6 octets)
Enet Type (2 octets)
xx-xx-xx-xx-xx-xx xx-xx-xx-xx-xx-xx
SIZE-14
The 802.2 Header is defined by IEEE and consists of:
–
–
–
–
Destinations SAP (1 octet)
Source SAP (1 octet)
Type (1 octet)
Protocol ID (3 octets)
0xAA (SNAP) 0xAA (SNAP)
0x03 (UI)
0x08008F (3Com)
The 3Com Protocol Header is defined by 3Com and consists of:
Protocol ID (2 octets
–
For Remote Character Protocol
0x81b1 (RCP)
or
For Tag Resolution
0x81b2 (RTAG)
0x81b2 (RTAG)
As stated earlier, tag resolution is initiated to resolve a 3Com name to a
network address. This occurs when the name is used in the
REMOTE_LOGIN and the PING commands.
Troubleshooting 4 - 9
Download from Www.Somanuals.com. All Manuals Search And Download.
3Com also uses the Internet defined protocol, ARP (Address Resolution
Protocol). This protocol is used in a similar fashion to the tag resolution
protocol, except that it is used to resolve an IP address to a network
address.
RCP, or the 3Com remote character protocol is used to support the remote
login session. The protocol defines a master/slaverelationship between the
device initiating the login session and the device supporting the session.
Terminal characters are separately sent between the master and slave.
Upon command completion, the slave sends the output of the executed
command.
RCP also maintains an underlying protocol to determine if the login session
is still active. Basically, the master pings the slave once a minute. After the
timeout period passes without a successful ping, the remote session is
aborted.
4 - 10 ONline Ethernet Management Module Installation and Operation Guide
Download from Www.Somanuals.com. All Manuals Search And Download.
Softw are Dow nload
Instructions
5
This chapter explains how to download new software to the Flash EPROM
in your ONline Ethernet Management Module (EMM). 3Com Corporation
provides new software to registered Software Subscription Service users
when new features or enhancements are available for the module.
You can download software either through an out-of-band connection,
which requires that your terminal be connected directly to the module
RS-232 port, or through an inband connection, which downloads the code
from a file stored on a local file server. An inband download is available only
using the advanced software version of EMM.
This chapter is divided in to the following sections:
❑ Download Requirements
❑ Out-of-Band Download Instructions
❑ Inband Download Instructions
❑ Troubleshooting
Software Download Instructions 5 - 1
Download from Www.Somanuals.com. All Manuals Search And Download.
Dow nload Requirements
A UDK key code is required to complete a software download to the EMM.
UDK key codes are usually provided with the UDK. However, you will need
to request a key code from 3Com if the key code is not provided on the
UDK package. If you need to request a key code from 3Com, locate the fax
form in the UDK shipment. Complete this form and fax it to 3Com so that a
Customer Service Representative can assign the proper key for your EMM.
The following download components are required before you can perform
a download:
❑ You must have the 3Com Firmware Distribution Kit (Part Number
5000-FDK) required for out-of-band downloads only. The FDK
includes:
–
ProComm™ Reference Manual (from Datastorm
Technologies, Inc.) shrink-wrapped with:
–
–
ProComm diskettes (3 1/2" disks)
ProComm software license
–
–
3Com 3 1/2" diskettes
10 ft. RS-232 crossover cable
(refer to Appendix B for the cable pin assignments)
–
25-pin to 9-pin adapter
❑ You must have the ONline Ethernet Management Module Update
Distribution Kit from 3Com - Part Number 5100U-xxL-x.xx (limited,
single use license) or 5100U-xxU-x.xx (unlimited, site license),
including:
–
–
–
3Com 3 1/2" diskettes (two sets for site license)
3Com software license
The new user manual for the module (four manuals for
site license)
–
Release Notes
5 - 2 ONline Ethernet Management Module Installation and Operation Guide
Download from Www.Somanuals.com. All Manuals Search And Download.
❑ IBM PC/AT or compatible with either one high-density diskette drive
and a hard drive, or two high-density diskette drives
❑ 640K of available RAM on the PC
❑ 3Com UDK Key Code. The key code is provided automatically with
the UDK for SSS customers. If not already provided, the key code
may be obtained by faxing the UDK fax form to 3Com.
Caution: The PC used to download the new software must not
be running any background RAM processes, such as
electronic mail systems, because they interfere with the
download procedure.
How the FDK and UDK Process Works
The 3Com Firmware Distribution Kit (FDK) makes system upgrades fast and
easy for all 3Com products that are equipped with Flash PROMs. The first
time you update the software requires that you purchase both the FDK and
the product UDK. All subsequent updates require that you purchase only
the new version of the UDK; you can re-use your original FDK.
When 3Com issues a software upgrade, we send the upgrade on diskette
(UDK) to all registered users who order the upgrade or to all customers
who have signed up for the Software Subscription Service (SSS). SSS is
explained in more detail in the Preface of this manual. The upgrade takes
only two or three minutes using an inband download or ten to fifteen
minutes for an out-of-band download, after which time the EMM willbe up
and running the new version of software.
Software Download Instructions 5 - 3
Download from Www.Somanuals.com. All Manuals Search And Download.
Out-of-Band Dow nload Instructions
The instructions for performing an out-of-band download to the Ethernet
Management Module are divided into the following steps:
❑ Install the ProComm Software
❑ Connect the RS-232 Cable
❑ Download the New Software
Installing the ProComm Softw are
This step installs and configures ProComm software on your PC hard disk or
onto the FDK diskette if you are using a two-floppy system. The files are
installed in the subdirectory PROCOMM which is created on the hard drive
or on the FDK diskette.
Follow the instructions below to install the ProComm software:
1. Remove the shrink-wrap from the ProComm package and remove the
ProComm Distribution Diskette.
2. Make a backup copy of both the ProComm diskette and the 3Com
provided diskette (the FDK diskette).
3. Place the 3Com diskette in the floppy drive and change to that drive
by typing a: or b:.
4. Type the command FDK and press [ENTER] to display the initial
installation screen as shown in Figure 5-1.
A:> FDK
[ENTER]
5 - 4 ONline Ethernet Management Module Installation and Operation Guide
Download from Www.Somanuals.com. All Manuals Search And Download.
*******************************************************************
Chipcom CORPORATION
Firmware Distribution Kit
Copyright 199X Chipcom Corporation
This Firmware Distribution Kit will install and configure ProComm,
a terminal emulation program, on you computer’s hard disk or on a
second floppy drive. The program will reside in the directory
called PROCOMM. Make sure you have the PROCOMM Distribution
Diskette and the 3Com Firmware Distribution Diskette ready at all
times during the installation.
*******************************************************************
Enter the Source Drive :
Enter the Destination Drive :
Enter the COM Port (1-4) :
Start the Installation
Press ENTER to accept the current drive selections and start
the ProComm Installation.
, TAB: Next Field
: Previous Filed
Enter: Accept
ESC: Quit
Figure 5-1. Initial Installation Screen
5. Enter the letter of the source drive where you will be inserting the
ProComm diskette following the “Enter the Source Drive:” prompt.
For a hard drive installation, this is the drive where the current 3Com
FDK diskette is installed. For a floppy disk installation, this is the
second disk drive. Then press the Down Arrow key (↓) or [TAB] to
move the cursor to the next field.
6. Enter the letter of the destination drive where you want ProComm to
be installed following the “Enter the Destination Drive:” prompt. For
a hard drive installation, this is usually c or d. For a floppy disk
installation, this is the drive where the FDK disk is installed, eithera or
b. Then press the Down Arrow key (↓) or [TAB] to move to the next
field.
Software Download Instructions 5 - 5
Download from Www.Somanuals.com. All Manuals Search And Download.
7. Enter the number of the communications port (COM1, COM2, etc.)
to which you will be connecting the RS-232 cable on the PC to
perform the software download following the “Enter the COM Port
(1-4):” prompt. Then press the Down Arrow key (↓) or [TAB] to move
to the next field.
Note: If the message “ProComm directory already exists, overwrite
files?” displays, you have the choice of overwriting the files or
quitting the installation. If you enter Y to overwrite the files,
the existing ProComm files are deleted and then the new files
are copied to the selected drive.
If you are performing a two-floppy installation, follow step 8. If you
are performing a floppy-to-hard drive installation, follow steps 9 and
10.
8. Press [ENTER] if the source and destination drive identifiers and the
COM port selection are correct. Then, insert the ProComm diskette in
the appropriate drive and press [ENTER] to install and configure
ProComm directly on the FDK diskette. The floppy installation is
complete when the message “INSTALLATION COMPLETE” displays.
Label the FDK diskette as now having ProComm installed so you can
locate this diskette when necessary.
9. Press [ENTER] if the source and destination drive identifiers and the
COM port selection are correct and the installation process begins.
Insert the ProComm diskette into the diskette drive when prompted
as shown in Figure 5-2.
5 - 6 ONline Ethernet Management Module Installation and Operation Guide
Download from Www.Somanuals.com. All Manuals Search And Download.
*******************************************************************
Chipcom CORPORATION
Firmware Distribution Kit
Copyright 199X Chipcom Corporation
This Firmware Distribution Kit will install and configure ProComm,
a terminal emulation program, on you computer’s hard disk or on a
second floppy drive. The program will reside in the directory
called PROCOMM. Make sure you have the PROCOMM Distribution
Diskette and the 3Com Firmware Distribution Diskette ready at all
times during the installation.
*******************************************************************
Insert the ProComm Distribution Diskette in Drive A
Press any key to continue...
Figure 5-2. ProComm Installation Screen
10. Once ProComm is installed on the hard drive, you will be prompted to
swap in the 3Com FDK diskette as shown in Figure 5-3. Make sure
you place the correct diskette in the disk drive before pressing
[ENTER].
Insert the Chipcom Distribution Diskette in Drive A
Press any key to continue...
Figure 5-3. Post-ProComm Installation Screen
Software Download Instructions 5 - 7
Download from Www.Somanuals.com. All Manuals Search And Download.
This last step of the installation loads the ProComm configuration file. The
configuration file sets the parameters that are used by ProComm to
communicate with the EMM. The parameters are as follows:
Baud= 9600
Data Bits= 8
Stop Bits= 1
Parity= None
COM Port= (Port number selected in step 7)
11. The message “Installation Complete” is displayed. ProComm is now
installed and ready for use.
Connect the RS-232 Cable
This step provides instructions for connecting your PC to the Ethernet
Management Module so you can download the software to the Flash
EPROM. Follow the instructions below:
1. Connect the provided RS-232 cable to the Ethernet Ring Management
Module RS-232 serial port connector on the front panel of the
module.
2. Connect the other end of the cable to the serial port on your PC
(using the provided 9- to 25-pin adapter if necessary). Make sure you
connect the cable to the communications port you specified for
ProComm during the FDK installation procedure.
Preparing to Dow nload the New Softw are
This procedure copies the new EMM software to the Flash EPROM on the
Ethernet Management Module. Note that this procedure creates a file
called profile.cmd in the PROCOMM directory. If you currently have a file
with that name, rename it before the UDK download so that it does not
get overwritten. If PROCOMM is on the FDK disk, the disk must be write
enabled.
5 - 8 ONline Ethernet Management Module Installation and Operation Guide
Download from Www.Somanuals.com. All Manuals Search And Download.
Warning: Do not interrupt power to the concentrator during the
download process or you may corrupt the Flash EPROM.
1. Make a backup copy of the 3Com UDK diskette.
2. Place the 3Com UDK diskette in the floppy drive and change to that
drive by typing a: or b:.
3. Type the command UDK and press [ENTER] to display the initial
installation screen as shown in Figure 5-4.
A:> UDK
[ENTER]
*******************************************************************
Chipcom CORPORATION
Update Distribution Kit
Copyright 199X Chipcom Corporation
This Update Distribution Kit will start ProCommso you can
download new software to your 3Com device. Make sure you follow
the instructions carefully to avoid downloading the wrong file
to your device. Downloading the wrong file may damage the
device.
*******************************************************************
Enter the Source Drive :
Enter the ProCcomm Drive :
Start Procomm
Press ENTER to accept the current drive selections and start
ProComm.
, TAB: Next Field
: Previous Filed
Enter: Accept
ESC: Quit
Figure 5-4. Initial UDK Installation Screen
4. Enter the letter of the source drive (where you inserted the 3Com
UDK diskette) following the “Enter the Source Drive:” prompt. Then
press the Down Arrow key (↓) or [TAB] to move the cursor to the
next field.
Software Download Instructions 5 - 9
Download from Www.Somanuals.com. All Manuals Search And Download.
5. Enter the letter of the drive where ProComm has been installed
following the “Enter the Destination where ProComm resides:”
prompt. For a hard drive installation, this is usually c or d. For a floppy
disk installation, this is the drive where the FDK disk is installed,
usually a or b. Then press the Down Arrow key (↓) or [TAB] to move
to the next field.
6. If the source and destination drive identifiers are correct, press
[ENTER] to begin the installation process. The ProComm Header
screen displays quickly and then the ProComm Status Line screen
appears as shown in Figure 5-5.
ALT-F10 VT-100 FDX 9600 N81 LOG CLOSED PRT OFF CR CR
Figure 5-5. ProComm Status Line Screen
Follow the next procedure to complete a software download to the EMM.
5 - 10 ONline Ethernet Management Module Installation and Operation Guide
Download from Www.Somanuals.com. All Manuals Search And Download.
Dow nloading the New Softw are
Use the following procedure to download software to the EMM.
1. Press [ENTER] to display the ONline> prompt and then log in to the
EMM as the system administrator.
2. Type the MAINTAIN command to enter maintenance mode where
the download can be completed.
ONline> maintain
[ENTER]
Enter administrator password:
Enter the administrator password for that EMM and the following is
displayed:
Network agent executive system controller (vx.x)
Copyright 199x Chipcom Corporation
>>
3. Type the following download command and press [ENTER] to begin
the download procedure.
>> download out_of_band [ENTER]
WARNING:
Download will erase your current operational code.
You will need the following to replace the software:
1. PC running ProComm communications software.
2. Chipcom Network Management Module software media.
3. The serial number of the Upgrade Distribution Kit.
4. Chipcom Key Code, which is provided by completing the
UDK fax form and faxing it to 3Com at (508)460-6195.
Please list your return fax number, your Upgrade Dis-
tribution Kit Serial number, plus for non-site licenses
Management Module's ID number: 3658117
If you are positive you want to perform a download, enter
the 'download out_of_band' command again within 10 seconds.
Otherwise the sequence will be aborted.
>>
Software Download Instructions 5 - 11
Download from Www.Somanuals.com. All Manuals Search And Download.
4. Press the key sequence [CTRL-R] to redisplay the previous command
and then press [ENTER] to initiate the download. (If the download
sequence times out before you press [CTRL] [R], retype the download
command.)
>> download out_of_band [ENTER]
Enter Upgrade Distribution Kit Serial number:
5. Enter the serial number from the UDK diskette and press [ENTER].
Enter Chipcom Key Code:
6. Enter the key code supplied by 3Com Corporation. Then press
[ENTER] to initiate the download process.
7. Once the message “Please enter download sequence: <ALT> <F5>
<CR>” displays, pressthe keycomb ination [ALT-F5]and the ProComm
Menu Screen displays as shown in Figure 5-6.
Note that you must enter this key sequence within 10 seconds or the
download will abort. If the command is timed out, return to Step 3
and retype the Download command.
5 - 12 ONline Ethernet Management Module Installation and Operation Guide
Download from Www.Somanuals.com. All Manuals Search And Download.
EMM1> maintain
Enter administrator password:
Command Files
EMMx_xx.CMD
ONlin
versi
Command file:
>> do
WARNING:
Download will erase your current operational code and
new software. You will need the following to replace
software:
1. PC running ProComm communications software.
2. Chipcom Netowrk Management Module software media (UDK).
If you are sure you want to perform a download command again within
10 seconds or the download will be aborted.
Preparing device for download...
Please enter the download sequence: <ALT> <F5>
ALT-F10 VT-100 FDX 9600 N81 LOGCLOSED PRT OFF CR CR
Figure 5-6. ProComm Menu Screen
8. Press [ENTER] to download the selected file to the EEPROM. This
process takes approximately 12 to 20 minutes at 9600 baud. If you
use a slower baud rate, the download will take much longer.
Once the download process begins, do not press any keys or
otherwise interfere with the process.
As the download proceeds, the screen shown in Figure 5-7 is
displayed and the Download LED on the EMM lights.
Software Download Instructions 5 - 13
Download from Www.Somanuals.com. All Manuals Search And Download.
PROTOCOL:
FILE NAME:
FILE SIZE:
XMODEM
emmx_xx.bin
xxxxx
BLOCK CHECK:
TRANSFER TIME:
CRC
xx:xx
BYTES TRANSFERRED: xxxx
BLOCKS TRANSFERRED xxxx
BLOCKS IN FILE:
ERROR COUNT:
xxxx
0
LAST MESSAGE: NONE
Download successful.
>> boot
<Boot messages display for new operational code>
Ethernet Management Module (v x.xx) Copyright 199x Chipcom
Corporation...
Figure 5-7. ProComm Dow nload Screen
The PC will beep to indicate that the download has completed and
also display'Download successful" . If errormessagesare displayed on
the screen, refer to the Troubleshooting section in this chapter.
9. Press the key sequence [ALT-X] and the “EXIT TO DOS? (Y/N)”
prompt
displays as shown in Figure 5-8.
EXIT TO DOS? (Y/N)
Figure 5-8. Exit ProComm Screen
5 - 14 ONline Ethernet Management Module Installation and Operation Guide
Download from Www.Somanuals.com. All Manuals Search And Download.
10. Enter “Y” to exit from ProComm and the UDK Completion Screen
displays as shown in Figure 5-9.
*******************************************************************
Chipcom CORPORATION
Update Distribution Kit
Copyright 199X Chipcom Corporation
This Update Distribution Kit will start ProCommso you can
download new software to your 3Com device. Make sure you follow
the instructions carefully to avoid downloading the wrong file
to your device. Downloading the wrong file may damage the
device.
*******************************************************************
DOWNLOAD COMPLETE
Press any key to exit
, TAB: Next Field
: Previous Filed
Enter: Accept
ESC: Quit
Figure 5-9. UDK Completion Screen
11. Press any key to exit from the UDK program.
12. Disconnect the cable from the PC and the Ethernet Management
Module. The EMM is now updated with the new software.
Inband Dow nload Instructions
The EMM provides an inband download feature that allows you to update
your EMM Flash EPROMs using TFTP (Trivial File Transfer Protocol). TFTP
allows the transfer of files to and from a remote machine. By using the
TFTP protocol, you can inband download new EMM software to an EMM
from a remote network server.
Software Download Instructions 5 - 15
Download from Www.Somanuals.com. All Manuals Search And Download.
Note: You can perform an inband download (remotely or locally)
when you are logged into an Advanced EMM. However,
you cannot perform an inband download when you are
remotely logged into either a Starter or Basic EMM. This is
because Starter and Basic EMMs must be in maintenance
mode in order to perform an inband download. When an
EMM enters maintenance mode, a remote session is
disconnected.
The following prerequisites must be completed prior to initializing the
download:
❑ You must have a TFTP server on the network to perform inband
downloads
❑ EMMs to be updated must be assigned to the same network as the
TFTP server
Use the following procedure to perform an inband download to a Starter,
Basic, or Advanced EMM. Additional steps required to perform a download
from maintenance mode are included.
1.
Transfer the contents of the UDK floppy disk to your network TFTP
server using the copy command for DOS-based systems. Use the FTP
BINARY mode for UNIX-based systems. Note that the FTP BINARY
mode must be specified instead of the default ASCII mode or the file
will be corrupted.
Note: If your TFTP server is running on a UNIX machine, you need
to FTP the file from the DOS machine to the server. If your
server is running in a DOS environment, you must be in the
directory that contains the.BIN file when you start the
server.
The floppy disk contains one file - emm400.bin, which updates the
Flash EPROM.
5 - 16 ONline Ethernet Management Module Installation and Operation Guide
Download from Www.Somanuals.com. All Manuals Search And Download.
2. Connect the provided RS-232 cable to the Ethernet Management
Module RS-232 serial port connector on the front panel of the
module. Then connect the other end of the cable to the serial port on
your PC (using a 9- to 25-pin adapter, if necessary).
You may also use Telnet or Remote_Login to perform inband
downloads to an Advanced EMM. By establishing a remote session
from an Advanced EMM to another EMM, you may issue TFTP
commands and perform the download remotely.
3. Configure the TFTP parameters by issuing the following three
management commands as shown below. Note that these
parameters must be set for each EMM to be updated. To update
multiple EMMs, you must log in to or establish a Telnet session with
the next EMM to be updated and issue the TFTP commands for that
EMM.
ONline> set tftp file_name [ENTER]
ONline> set tftp server_ip_address [ENTER]
4. If you are performing the download from Maintenance mode, you
must also issue the SET DOWNLOAD NETWORK command to
configure the EMM to the network to which the server is connected.
5. Issue the SHOW TFTP command as shown to verify the TFTP
parameters previously set.
ONline> show tftp [ENTER]
TFTP Server IP Address: nnn.nnn.nnn.nnn
TFTP File Name:
TFTP Result:
emmv400.bin
CLEAR
Software Download Instructions 5 - 17
Download from Www.Somanuals.com. All Manuals Search And Download.
6. Issue the DOWNLOAD INBAND command as shown to begin the
download.
ONline> download inband
WARNING: Download will erase your current operational code.
You will need the following to replace the software:
1. Chipcom Management Module Software residing on a TFTP
server accessible over the network.
2. The TFTP variables (see SHOW TFTP and SET TFTP) must be
set up to point to the TFTP server. The DEVICE
varibles (see SHOW DEVICE and SET DEVICE) must be set up
to a valid IP configuration.
3. The serial number of the Upgrade Distribution Kit.
4. Chipcom Key Code, which is provided by completing the
UDK fax form and faxing it to 3Com at (508)
460-6195. Please list your return fax number, your
Upgrade Distribution Kit Serial Number, plus for
non-site licenses: Management Module's ID number:
3658117
If you are positive that you want to perform a network
download, enter the download inband again within 10
seconds. Otherwise, the sequence will be aborted.
7. Press the key sequence [CTRL-R] to redisplay the previous command
and press [ENTER] to begin the download process.
ONline> download inband [ENTER]
Enter Upgrade Distribution Kit Serial number:
8. Enter the serial number from the UDK diskette and press [ENTER].
Enter 3Com Key Code:
9. Enter the Key Code number as supplied from 3Com Corporation and
press [ENTER].
Enter Administrator Password [ENTER]
10. Enter the administrator password and press [ENTER]. Once the
download begins, do not press any keys or interfere with the process.
If you are logged into an EMM remotely, the following message is
displayed. Once this message displays, the remote session is
terminated and the download begins.
5 - 18 ONline Ethernet Management Module Installation and Operation Guide
Download from Www.Somanuals.com. All Manuals Search And Download.
Note: Performing an inband download will end your
remote login session. It will be necessary for you to
remote_login again to check your TFTP result code.
Wait three to five minutes allowing the download to complete before
re-connecting to the EMM. You may then log in remotely to the
EMM. Issue the SHOW TFTP command to display the TFTP Result
Field and verify that the download transfer was successful.
If you are logged into an EMM locally, the download begins once
you enter the administrator password.
When the download completes, the following message is displayed
when the EMM boot up under the new software.
Inband Download Successful
Rebooting System: standby
Ethernet Management Module (vx.xx) Copyright (c) 199x
Chipcom Corporation
Press [ENTER] to display the Password: prompt. Enter the
administrator password to log into the EMM.
If error messages are displayed, refer to the Troubleshooting section
beginning on the next page.
Troubleshooting
This section discusses possible problems you may encounter during the
out-of-band orinband download procedures. The problemsare divided into
ProComm Problems and Ethernet Management Module Problems.
Software Download Instructions 5 - 19
Download from Www.Somanuals.com. All Manuals Search And Download.
ProComm Problems
If the problem is not listed in Table 5-1, UDK Error Messages, refer to the
ProComm Reference Manual. Refer also to Table 5-2 which lists EMM
download error messages.
Table 5-1. UDK Error Messages
Message
Troubleshooting Suggestion
Invalid Source or ProComm The drive letter entered where the UDK
Drive Specifications
program may find the 3Com distribution
diskette, or ProComm is invalid. The drive
letter entered for the 3Com distribution
diskette must be 'A' or 'B'. The drive letter
entered where the UDK may find
ProComm cannot be the same as the
drive letter entered to find the 3Com
distribution diskette.
Specified Source Drive is
inaccessible, Drive latch
closed?
The specified drive letter for the UDK
program to find the download files is
inaccessible. Verify the floppy drive
exists, the diskette is inserted, and the
drive latch is closed.
Specified ProComm Drive is The specified drive letter for the
inaccessible
ProComm drive is inaccessible. Verify the
specified drive exists and ProComm is
installed on it.
You must have ProComm to The UDK program is unable to locate a
successfully download
Installation Terminated,
press any key to exit
ProComm subdirectory on the specified
destination drive. Verify that a directory
called \PROCOMM exists on the
destination drive and that the ProComm
files are in it.
5 - 20 ONline Ethernet Management Module Installation and Operation Guide
Download from Www.Somanuals.com. All Manuals Search And Download.
Table 5-1. UDK Error Messages (Continued)
Message
Troubleshooting Suggestion
Fatal Error: Insufficient
Available Memory to run
ProComm
A minimum of 200k bytes of free
memory is necessary to successfully run
ProComm and to do the download.
Decreasing the number of Terminate and
Stay Resident Programs present while
running the UDK program will free
memory.
Fatal Error: Unable to run
The ProComm subdirectory on the
ProComm or ProComm not destination drive does not contain
found
ProComm or ProComm has been
corrupted. Verifythat ProComm exists on
the destination drive subdirectory
\PROCOMM.
You may also want to run the DOS
CHKDSK utility on the drive to ensure
that the files are not corrupt.
Ethernet Management Module Problems
EMM problems during the download cause an error statement to be
displayed on the screen. Common error messages and their meanings are
discussed in Table 5-2. If it is necessary to contact 3Com Support, follow
the procedure outlined in Appendix D.
Software Download Instructions 5 - 21
Download from Www.Somanuals.com. All Manuals Search And Download.
Table 5-2. EMM Dow nload Error Messages
Message
Troubleshooting Suggestion
Maximum bad CRC—transfer aborted Check the RS-232 cable and
retry. If the problem persists,
call 3Com Support.
Transfer timeout—transfer aborted
Try again. If the problem
persists, call 3Com Support.
Packet out of sequence—transfer
aborted
Try again. If the problem
persists, call 3Com Support.
Incorrect code type—transfer aborted Try again. If the problem
wrong version of software
persists, call 3Com Support.
Incorrect code version—transfer
Try again. If the problem
aborted, wrong version of software
persists, call 3Com Support.
RAM write error—transfer aborted
RAM verify error—transfer aborted
RAM CRC error—transfer aborted
Try again. If the problem
persists, call 3Com Support.
Try again. If the problem
persists, call 3Com Support.
Try again. If the problem
persists, call 3Com Support.
FEPROM program error—transfer
aborted
Call 3Com Support.
FEPROM overflow—transfer aborted Call 3Com Support.
FEPROMerase error—transferaborted Call 3Com Support.
FEPROM initialization error —
transfer aborted
Call 3Com Support.
5 - 22 ONline Ethernet Management Module Installation and Operation Guide
Download from Www.Somanuals.com. All Manuals Search And Download.
Table 5-2. EMM Dow nload Error Messages (Continued)
Message
Troubleshooting Suggestion
FEPROM CRC download error—
transfer aborted
Call 3Com Support.
Call 3Com Support.
FEPROM CRC write error —
transfer aborted
Software Download Instructions 5 - 23
Download from Www.Somanuals.com. All Manuals Search And Download.
Download from Www.Somanuals.com. All Manuals Search And Download.
Specifications
A
This appendix lists specifications for the ONline Ethernet Management
Module (EMM). There are five sections:
❑ General Specifications
❑ Electrical Specifications
❑ Environmental Specifications
❑ Mechanical Specifications
❑ Hardware Specifications
General Specifications
Model Numbers: 5101M-MGTS, 5101M-MGTB, 5101M-MGTA
Data Rate: 10 Mbps (million bits per second)
Data modulation: Manchester
Specifications A - 1
Download from Www.Somanuals.com. All Manuals Search And Download.
Diagnostic modulation: Link Integrity pulse
Backplane Interface: 96-pin edge connector, compatible with the 3Com
ONline System Concentrator.
Port Connector: RS-232 (DB-25)
Electrical Specifications
Power Requirements: +5V ± 5% , +12V ± 5% , -12V ± 5%
3.0 Amp for +5V, 0.06 Amp for +12V, 0.03 Amp for -12V
Fuse: 4.0 Amp Fast Blow for +5V
2.0 Amp Fast Blow for +12V
2.0 Amp Fast Blow for -12V
Watts: 16 Watts
Environmental Specifications
Operating Temperature: 0° to 50° C (32° to 122° F)
Storage Temperature: -30° to 65° C (-22° to 149° F)
Humidity: less than 95% , non-condensing
BTU/hour: 51.2
A - 2 ONline Ethernet Management Module Installation and Operation Guide
Download from Www.Somanuals.com. All Manuals Search And Download.
Mechanical Specifications
Dimensions: 1.0"W x 10.25" L x 8.5"H
(2.54 cm x 26.04 cm 21.6 cm)
Weight: 1.25 lb. (.57 kg.)
Hardw are Specifications
Memory
256 Kbytes of “0 Wait State” SRAM (expandable to 1/2 megabyte)
256 Kbytes of “Flash” EPROM (Field Reprogrammable PROM)
64 Kbytes of Boot EPROM
8 Kbytes of EEPROM (Electronically Erasable PROM)
2 Kbytes of Dual Port SRAM
Special Circuits
Per-Port Monitoring Circuit
Per-Port Collision Counting Circuit
Real-Time Clock
Specifications A - 3
Download from Www.Somanuals.com. All Manuals Search And Download.
Download from Www.Somanuals.com. All Manuals Search And Download.
RS-232 Cable Specs and
Modem Use
B
This appendix describes the cable pinouts for the RS-232 cable used to
connect the Ethernet Management Module (EMM) to a device. It also
explains the requirements for connecting a modem to the EMM.
RS-232 Cable Specifications
The RS-232 cable connects to the management interface on the EMM front
panel. The management interface is designed to connect to a cable
offering a male DTE interface. Table B-1 defines the RS-232 cabling
guidelines that apply for connecting devices to the management interface.
Table B-1. RS-232 Cable Guidelines
Device
Terminal
Cable
Female-to-female crossover (pin 2 to 3 and pin 3 to 2)
Female-to-male crossover (pin 2 to 3 and pin 3 to 2)
Male-to-female straight-through (1 to 1, 2 to 2, etc.)
Modem
Terminal Server Refer to Supplier Documentation
RS-232 Cable Specs and Modem Use B - 1
Download from Www.Somanuals.com. All Manuals Search And Download.
When you first connect your terminal to the EMM management interface,
make sure it is properly set for asynchronous serial communication.
Figure B-1 illustrates the RS-232 connector on the front panel of the EMM
and shows the proper pinouts for a crossover RS-232 cable (either
female-female or female-male).
Figure B-1. Management Interface RS-232 Connector and Cable
Pinouts
B - 2 ONline Ethernet Management Module Installation and Operation Guide
Download from Www.Somanuals.com. All Manuals Search And Download.
Modem Use
The Ethernet Management Module enables you to use a dial-in modem.
The requirements are as follows:
1. The modem must be 100% Hayes compatible.
2. Any baud rate in the range (300, 1200, 2400, 9600) may be used.
Higher rates are preferred.
3. The modem must be placed in Dumb/Auto Answer mode. This is
accomplished by entering the following commands from a terminal
directly connected to the modem:
at& [ENTER]
. . Restore factory defaults
at&d0 [ENTER] . Ignore changes in DTR status
ats0=1 [ENTER] . Auto-answer on first ring
ats0? [ENTER] . . Verify auto-answer (should return 001)
atq1 [ENTER] . . Does not return result codes
at&W [ENTER] . . Save this configuration
at&Y [ENTER] . . Define this configuration as default
Note: * If you issue the SET TERMINAL HANGUP ENABLE
command for modem use, you must change the DTR
parameter as defined below to ensure proper modem
operation.
*)
at&d2 [ENTER] . Indicates hangup and assumes command
. . . . . . . . . state when an On to Off transition of
. . . . . . . . . DTR occurs
If necessary, follow the commands in your modem user manual to place the
modem into dumb mode (command recognition disabled).
RS-232 Cable Specs and Modem Use B - 3
Download from Www.Somanuals.com. All Manuals Search And Download.
Download from Www.Somanuals.com. All Manuals Search And Download.
MIB Groups
C
This appendix describes the MIB-II and 3Com MIB groups that are
supported in EMM version 4.0.
MIB-II Groups
The following MIB-II groups are supported in EMM v4.0.
❑ - system
❑ -if
❑ -at
❑ -ip
❑ -icmp
❑ -udp
❑ -snmp
MIB Groups C - 1
Download from Www.Somanuals.com. All Manuals Search And Download.
3Com MIB Groups
The following 3Com MIB groups are supported in EMM v4.0.
❑ - chipAlert
❑ - chipDownload
❑ - chipGen
❑ - chipTFTP
❑ - chipTTY
❑ - olEcho
❑ - olAgents
❑ - olConc
❑ - olEnv
❑ - olModules
❑ - olNet
❑ - olEnet
❑ - olTrnetMapState {olTRnet 1}
C - 2 ONline Ethernet Management Module Installation and Operation Guide
Download from Www.Somanuals.com. All Manuals Search And Download.
Technical Support
D
3Com provides easy access to technical support information through a
variety of services. This appendix describes the following services:
❑ On-line Technical Support
❑ Support from Your Network Supplier
❑ Support from 3Com
❑ Returning Products for Repair
❑ Accessing the 3Com MIB
❑ 3Com Technical Publications
On-line Technical Support
3Com offers worldwide product support through the following on-line
systems:
❑ Email Technical Service
❑ World Wide Web Site
Technical Support D - 1
Download from Www.Somanuals.com. All Manuals Search And Download.
Email Technical Support
You can contact the Integrated Systems Division (formerly Chipcom) on the
Internet for technical support using the e-mail address
techsupp@chipcom.com.
World Wide Web Site
You can access the latest networking information on the 3Com World
Wide Web site by entering our URL into your Internet browser:
http://www.3Com.com/
This service features news and information about 3Com products,
customer service and support, the 3Com latest news releases, selected
™
articles from 3TECH , the 3Com award-winning technical journal, and
more.
You can contact the Integrated Systems Division on the World Wide Web
by entering our URL into your Internet browser:
http://www.chipcom.com/
There are links between both WWW pages to view information from all
3Com divisions.
Support from Your Netw ork Supplier
If additional assistance is required, contact your network supplier. Many
suppliersare authorized 3Com service partnerswho are qualified to provide
a variety of services, including network planning, installation, hardware
maintenance, application training, and support services.
D - 2 ONline Ethernet Management Module Installation and Operation Guide
Download from Www.Somanuals.com. All Manuals Search And Download.
When you contact your network supplier for assistance, have the following
information ready:
❑ Diagnostic error messages
❑ A list of system hardware and software, including revision levels
❑ Details about recent configuration changes, if applicable
If you are unable to contact your network supplier, see the following
section on how to contact 3Com.
Support from 3Com
If you are unable to receive support from your network supplier, technical
support contracts are available from 3Com.
For direct access to customer service for Integrated Systems Division
products in:
❑ U.S.A. and Canada - call (800) 724-2447
❑ Asia Pacific - call (508) 787-5151
❑ Europe - Refer to the table below. For European countries not listed,
call 31 30 60 299 00.
Country
Belgium
Denmark
Finland
France
Telephone Number
0800 71429
800 17309
Country
Netherlands
Norway
Spain
Telephone Number
06 0227788
800 11376
0800 113153
05 917959
900 983125
Sweden
U.K.
020 795482
Germany
Ireland
0130 821502
1 800 553117
1678 79489
0800 966197
800 876-3266
U.S.
Italy
Technical Support D - 3
Download from Www.Somanuals.com. All Manuals Search And Download.
For access to customer service for all 3Com products, call (800) 876-3266.
You can also contact the Integrated Systems Division (ISD) on the Internet
by using the e-mail address techsupp@chipcom.com.
Returning Products for Repair
A product sent directly to 3Com for repair must first be assigned a Return
Materials Authorization (RMA) number. A product sent to 3Com without
an RMA number will be returned to the sender unopened, at the sender’s
expense.
To obtain an RMA number for Integrated Systems Division products
(formerly Chipcom), use the following numbers.
Country
Telephone Number
Fax Number
(508) 787-3400
No Fax
U.S. and Canada (800) 724-2447
Europe
(44) (1442) 275860
(508) 787-5296
Asia Pacific
(508) 787-3400
Accessing the 3Com MIB
The 3Com Management Information Base (MIB) for the Integrated Systems
Division describes commands that enable you to manage 3Com
SNMP-based products. The MIB is available over the Internet on an
anonymous FTP server. Updates to these MIBs are released as new 3Com
products are introduced.
To access Internet versions:
1. FTP to ftp.chipcom.com(151.104.9.65).
2. Enter the login name anonymous.
D - 4 ONline Ethernet Management Module Installation and Operation Guide
Download from Www.Somanuals.com. All Manuals Search And Download.
3. Enter your full Internet e-mail address as the password
4. Change to the mib or schema directory using the cd /pub/mibsor
cd /pub/mibs/schemascommand.
5. To view the 3Com MIB, OID, or schema entries, enter the dir
command.
❑ To pause the display, press [CTRL-S].
❑ To continue the display, press [CTRL-Q].
6. Copy the MIB, OID, or schema files to your current directory using the
appropriate command (for example, get chipcom.mib).
7. To exit the FTP session, invoke the quitcommand.
3Com Technical Publications
If you have comments or questions on 3Com Integrated Systems Division
Technical Publicationsdocuments, please contact the TechnicalPublications
group by FAX (508) 229-1551.
Technical Support D - 5
Download from Www.Somanuals.com. All Manuals Search And Download.
Download from Www.Somanuals.com. All Manuals Search And Download.
Index
Ports, 3-11
Security, 3-11
Terminal, 3-11
Configuration Values
Saving, 3-3
Numerics
3Com Bulletin Board Service (3ComBBS), D-3
A
Configuring
Address Resolution Protocol, 4-10
Address-to-Port Security
Configuring, 3-20, 3-21
Feature, 3-11
Administrator Password, 3-9
Alerts, 3-15
Passwords, 3-9
Terminal Parameters, 3-7
Configuring Parameters
Contact Name, 3-12
Location, 3-12
Mastership Priority, 3-18
Configuring Ports, 1-5
Configuring the EMM
Quick Reference Chart, 3-2
Counter Statistics
Applying Power, 4-1
Assign
EMM Name, 3-12
MAC Address to a Port, 3-21
Module Mastership, 3-18
Module to a Network, 3-17
Audience of Manual, xiv
Displaying, 3-27
D
Default Gateway, 3-16
Displaying
B
bulletin board service, D-3
Concentrator Information, 3-26
Counter Statistics, 3-27
Device Information, 3-24
Module Information, 3-25
Port Information, 3-26
C
Community Table, 3-13
Creating, 3-15
Configuration
SNMP, 3-14
Configuration Control
Device, 3-10
Fault Tolerance, 3-11
Modules, 3-10
Override Control, 3-11
Index 1
Download from Www.Somanuals.com. All Manuals Search And Download.
L
E
Logging In
EMM
Remotely, 3-22
ONline Ethernet Management Module,
Logging Out, 3-6
1-1
Logout Command, 3-5, 3-6, 3-24
Enable Port, 3-19
Error Messages
Download, 5-21
EMM Traps, 4-5
ProComm, 5-20
SNMP Traps, 4-6
Establishing Passwords
Administrator, 3-10
M
MAC Address
Assign, 3-21
Mastership, 3-18
MIB, D-4
Module Network Assignment, 3-17
Monitor Command, 3-28
F
FCC notice, ii
N
Network
Firmware Distribution Kit, 5-3
Error Messages, 5-22
Flash EPROM
Monitoring, 3-24
Network Assignment, 3-17
Network Management
Accessing, 1-1, 1-7
Updating, 5-1
I
Functions, 1-7
Network Management Functions
General Capabilities, 1-7
network supplier support, D-2
IEEE
802.2 Header, 4-9
802.3 Header, 4-9
Indicators
Download in Progress LED, 2-8
Master Mgt Module LED, 2-7
Status LED, 2-7
O
ONline Ethernet Management Module
Applying Power, 4-2
Capabilities, 1-6
Installation Procedure, 2-3
Internet Protocol
Configuring, 3-7, 3-10, 3-12
Indicators, 2-6
Logging Out, 3-5
Address Resolution Protocol, 4-10
IP Address
Assigning, 3-15
Attributes, 3-13
Master, 1-4
Network Assignement, 3-17
Network Impact, 4-7
Overview, 1-1
Reset Button, 2-8
Saving Settings, 3-5
2 Index
Download from Www.Somanuals.com. All Manuals Search And Download.
Slave, 1-4
Terminal Parameters, 3-5, 3-7
Terminal Settings, 2-4
Troubleshooting, 3-28, 4-1
Updating Flash EPROM, 5-1
Verifying Operation, 2-5
RS-232 Cable
Cable Specifications, B-1
Connecting, 5-8
Modem Use, B-2
Serial Port, 2-8
ONlineFault-TolerantControllerModule, 3-17
ONline System Concentrators, 1-4, 3-8
on-line technical services, D-1
ONline Token Ring MAU Module, 3-17
Out-of-Band Download Instructions, 5-4
S
Saving Configuration Values, 3-3
Set Alert Command, 3-15
Set Concentrator Platform Command, 3-8
Set Device Contact Command, 3-12
Set Device Default_Gateway Command, 3-16
Set Device Diagnostics Command, 3-12
Set Device IP_Address Command, 3-15
Set Device Location Command, 3-12
Set Device Name Command, 3-12
Set Device Subnet_Mask Command, 3-16
Set Device Trap_Receive Command, 3-17
Set Module Mastership_Priority Command,
3-18
P
Passwords
Administrator, 3-9, 3-10
Establishing, 3-9
User, 3-9, 3-11
Port
Mode, 3-19
Port Configuration
Set Address-to-Port Security, 3-21
Precautionary Procedures, 2-1
Electrostatic Discharge, 2-1
ProComm Software
Installing, 5-4
Setting SNMP Values
Alert Setting, 3-15
Community Table, 3-15
IP Address, 3-15
Subnetwork Mask, 3-16
Protocols, 4-8
Trap Receive, 3-16
Packet Structure, 4-8
Protocol Header, 4-9
Remote Character Protocol, 4-8
Show Community Command, 3-15
Show Concentrator Command, 3-26
Show Counter Command, 3-27
Show Module All Command, 3-25
Show Port Command, 3-26
Showing
R
Remote Character Protocol, 4-8
Counter Statistics, 3-27
Remote Login, 3-22
Module Information, 3-25
Telnet, 1-8, 3-22
Port Information, 3-26
Remote Session
Simple Network Management Protocol, 3-13
Setting Values, 3-13, 3-14
Logging Out, 3-24
Reset Device Command, 2-8
returning products for repair, D-4
Revert Command, 3-4
Simple Network Mangement Protocol
Setting Values, 3-14
SNMP
Reverting Configuration Values, 3-4
Agent, 3-13
Index 3
Download from Www.Somanuals.com. All Manuals Search And Download.
SNMP Commands, D-4
SNMP Configuration, 3-13
SNMP Parameters, 3-13
Software Download
Requirements, 5-2
Subnetwork Mask, 3-16
T
Technical Assistance, 4-7
Technical Support, 4-7
technical support, D-1
Telnet Command, 3-22
Terminal Interface
Suggestions, 4-3
Terminal Timeout, 3-7
Traps, 3-17
Troubleshooting
Download Process, 5-19
ONline Ethernet Management Module,
3-28, 4-1
Technical Assistance, 4-7
U
Unpacking Procedure, 2-2
Update Distribution Kit, 2-8, 5-3
Error Messages, 5-20
User Password, 3-9
V
VDE compliance, ii
4 Index
Download from Www.Somanuals.com. All Manuals Search And Download.
|
