MRXI/LM
LOCAL MANAGEMENT F OR THE
MRXI/MRXI-2
ETHERNET 10BASE-T HUB
USER'S GUIDE
CABLETRON SYSTEMS, P . O. Box 5005, Roch ester , NH 03867-0505
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NOTICE
FCC NOTICE
This device complies with Part 15 of FCC rules. Operation is subject to
the following two conditions: (1) this device may not cause harmful
interference, and (2) this device must accept any interference received,
including interference that may cause undesired operation.
NOTE: This equipment has been tested and found to comply with the
limits for a Class A digital device, pursuant to Part 15 of FCC Rules.
These limits are designed to provide reasonable protection against
harmful interference when the equipment is operated in a commercial
environment. This equipment uses, generates, and can radiate radio
frequency energy and if not installed in accordance with the operator’s
manual, may cause harmful interference to radio communications.
Operation of this equipment in a residential area is likely to cause
interference in which case the user will be required at his own expense
to correct the interference.
If this equipment does cause interference to radio or television, which
can be determined by turning the equipment off and on, the user is
encouraged to try to correct the interference by one or more of the
following measures:
•
•
•
•
Re-orient the receiving antenna.
Relocate the equipment with respect to the receiving antenna.
Move the equipment away from the receiver.
Plug the equipment into a different outlet so that the
equipment and the receiver are on different branch circuits.
If necessary, the user should consult the dealer or an experienced
radio/ television technician for additional suggestions. The user may
find the following booklet prepared by the Federal Communication
Commission helpful:
“How to Identify and Resolve Radio TV Interference Problems”
This booklet is available from the U.S. Government Printing Office,
Washington D.C. 20402 - Stock No. 004-000-00345-4.
ii
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CONTENTS
CONTENTS
CHAP TER 1 INTRODUCTION
1.1 Using This Manual........................................................................ 1-1
1.2 The MRXI ...................................................................................... 1-2
1.3 MRXI/LM ....................................................................................... 1-2
1.4 Remote LANVIEW/Windows ....................................................... 1-3
1.5 Related Manuals ........................................................................... 1-3
1.6 Getting Help .................................................................................. 1-3
CHAP TER 2 ATTACHING THE CONSOLE
2.1 Local Management Console .......................................................... 2-1
2.2 Console Cable Configuration ........................................................ 2-3
CHAP TER 3 GETTING STARTED
3.1 Using The Management Keyboard............................................... 3-1
3.2 Understanding The Screens And Commands.............................. 3-2
3.3 MRXI/LM Screens ......................................................................... 3-2
3.4 Accessing Local Management via Terminal ................................ 3-3
3.5 Accessing Local Management via Modem ................................... 3-6
3.5.1 Cable Configuration ............................................................ 3-6
3.5.2 Accessing Local Management ............................................ 3-6
CHAP TER 4 USING THE DEVICE/P ORT
INF ORMATION SCREEN ..................................... 4-1
CHAP TER 5 USING COMMUNITY NAMES ............................. 5-1
CHAP TER 6 MRXI/LM MESSAGES............................................ 6-1
iii
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CONTENTS
iv
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INTRODUCTION
CHAP TER 1
INTRODUCTION
Welcome to Cabletron Systems MRXI/LM Loca l Ma n a gem en t for
th e Ca bletr on System s MRXI 10BASE-T HUB User 's Ma n u a l.
This manual serves as a simple reference guide for using MRXI/LM™,
providing information to help you configure the MRXI™ and MRXI-2
and, if necessary, diagnose problems with your network.
NOTE: This manual covers both the MRXI and MRXI-2. The two units
are functionally identical. The MRXI provides connections for ports 1
through 12 via a 50 pin Champ connector, while the MRXI-2 provides
twelve RJ -45 connectors. Throughout this manual the term MRXI is
used to cover both units unless otherwise specified.
1.1 USING THIS MANUAL
Read through this manual to become familiar with its contents and to
gain an understanding of the features and capabilities of MRXI/LM. A
general working knowledge of Ethernet networks and the IEEE 802.3
standard is necessary for interpreting and using MRXI/LM.
Chapter 1, In tr od u ction , outlines the contents of this manual, briefly
describes features and functions performed by the Hub and MRXI/LM,
and concludes with a list of related manuals.
Chapter 2, Atta ch in g th e Con sole, describes terminal
characteristics, connecting console cabling, and configuring the
management console.
Chapter 3, Gettin g Sta r ted , describes the initial steps required to
access MRXI/LM. It describes each of the screens and the available
commands.
Chapter4, Usin g th e Device/Boa r d /P or t Cou n ter s Scr een ,
describes the status and statistics information available for the MRXI.
Chapter 5, Usin g Com m u n ity Na m es, describes entering and using
a community names table.
Chapter 6, MRXI/LM Messa ges, explains messages that can appear
at the top of the MRXI/LM terminal display.
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INTRODUCTION
1.2 THE MRXI
The MRXI 10BASE-T HUB and MRXI-2 10BASE-T HUB are 10BASE-
T and 802.3 compliant repeaters that allows expansion of existing
802.3 networks using a variety of media. The two hubs are identical
except for the physical connections for ports 1 through 12. The MRXI is
equipped with a 50 pin Champ connector, while the MRXI-2 provides
twelve RJ -45 connectors. The MRXI supports out-of-band and in-band
Simple Network Management Protocol (SNMP) compliant network
management. Out-of-band management for the MRXI is provided by
MRXI/LM. The MRXI is supported by several in-band network
management tools including: Cabletron Systems Remote LANVIEW/
Windows™, and SPECTRUM™.
1.3 THE MRXI/LM
The MRXI/LM is a menu driven, integrated network management tool
that permits management and control of the MRXI. MRXI/LM can be
used to:
•
Display current MRXI status and statistics for the MRXI
network ports
•
•
Define community names and access privileges
Diagnose network problems.
The MRXI is an SNMP compliant device that permits setting
community names for your MRXI. The Community Names feature
serves two purposes:
•
As a security feature that defines access privileges for SNMP
requests from SNMP management stations
•
Community names let you to designate the network
management workstations that will receive alarms from the
MRXI.
You can access MRXI/LM through a management terminal connected
to the 9-pin Console port on the rear panel of the MRXI. The console
port supports a Digital Equipment Corporation, VT200™ or VT300™
series terminals or PC emulation of the VT200 or VT300 terminals.
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INTRODUCTION
1.4 REMOTE LANVIEW/WINDOWS
MRXI/LM provides the foundation for Remote LANVIEW/Windows,
Cabletron Systems Remote Network Control Management Software
package (This package can be purchased separately from Cabletron
Systems.). Remote LANVIEW/Windows allows you to control and
manage multiple MRXIs from a single Ethernet workstation. With
Remote LANVIEW/Windows, you can view statistics for your MRXI,
both numerically and graphically, using dynamic bar and pie charts
and performance graphs. You can also enable a statistics logging and
reporting function that will log MRXI statistics to a report file for
future reference.
For more information on using Remote LANVIEW/Windows with the
MRXI, consult the Cabletron Systems Rem ote LANVIEW/Win d ow s
User Ma n u a ls, or call Cabletron Systems at (603) 332-9400.
1.5 RELATED MANUALS
The following manual should be used to supplement the procedures
and other technical data provided in this manual. The procedures
contained in this manual will be referenced where appropriate, but will
not be repeated in this manual.
Cabletron Systems MRX/MRXI 10BASE-T HUB In sta lla tion Gu id e
1.6 GETTING HELP
If you need additional support related to Cabletron Systems MRXI/LM,
or if you have any questions, comments, or suggestions concerning this
manual, contact Cabletron Systems Technical Support at:
Cabletron Systems
P.O. Box 5005
Rochester, NH 03867-0505
Phone: (603) 332-9400
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INTRODUCTION
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ATTACHING THE CONSOLE
CHAPTER 2
ATTACHING THE CONSOLE
This chapter describes information on the characteristics of supported
terminals, configuring the management console and connecting the
console cabling.
2.1 LOCAL MANAGEMENT CONSOLE
MRXI/LM is accessed by attaching a management console at the DB-9
CONSOLE port on the rear panel of the MRXI (see Figure 2-1). The
console connection supports a Digital Equipment Corporation VT200™
or VT300™ series terminal or PC emulation of one of these terminals.
DB-9
CONSOLE PORT
MRXI
10BASE-T
HUB
A
CONSOLE
CABLE
MANAGEMENT
TERMINAL
Figure 2-1. Management Console Connection
Table 2-1 lists the setup requirements for the local management
console. If your terminal is a Digital Equipment Corporation VT200™
or VT300™ series terminal, press F 3 to access the Setup Directory. If
you have a terminal emulation of the Digital Equipment terminals,
refer to your equipment user manual for setup procedures.
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ATTACHING THE CONSOLE
Table 2-1. Terminal Setup Requirements
Page 2-2
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ATTACHING THE CONSOLE
Selection
Men u
F u n ction
Display
Setup:
Columns
Controls
Auto Wrap
Text Cursor
80 Columns
Interpret Controls
No Auto Wrap
No Cursor
General
Setup:
Mode
7 Bit Control
(VT220) VT200
(VT320) VT300
Cursor Keys
Normal Cursor
Keys
Communications
Setup:
Transmit
Receive
XOFF
Transmit = 9600
Receive = Transmit
any option
Bits, Parity
Stop Bit
Local Echo
Port
8 Bits, No Parity
1 Stop Bit
No Local Echo
EIA Port, Data Leads
Only
(VT220) EIA Port,
Data Leads only
(VT320)DEC-423,
Data Leads only
Transmit
any option
Auto Answerback
(VT-320)
No Auto Answerback
Keyboard
Setup:
Keys
Auto Repeat
Keyclick
Typewriter Keys
any option
any option
Margin Bell
Warning Bell
Auto Answerback
(VT-220)
Margin Bell
Warning Bell
No Auto Answerback
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ATTACHING THE CONSOLE
2.2 CONSOLE CABLE CONF IGURATION
A single female DB-9 receptacle provides a Console interface to the
management terminal. Depending on your specific terminal, one of two
cable configurations (9 pin to 25 pin or 9 pin to 9 pin) is used for the
connection to the MRXI Console port. Figure 2-2 shows the pinout for
both cables.
9 P IN TO 25 P IN
MALE - DB-9
(9-Pin Connector)
FEMALE - 25 Pin
"D" Shell Connector
CABLE
TRANSMIT
2
3
TRANSMIT
2
3
5
7
8
RECEIVE
SIGNAL GROUND
REQUEST TO SEND
CLEAR TO SEND
RECEIVE
7
SIGNAL GROUND
20 DATA TERMINAL READY
5
CLEAR TO SEND
CONSOLE P ORT
LOCAL MANAGENT
CONSOLE
TRANSMIT
RECEIVE
2
RECEIVE
2
3
5
8
7
3
5
7
8
TRANSMIT
SIGNAL GROUND
SIGNAL GROUND
CLEAR TO SEND
REQUEST TO SEND
REQUEST TO SEND
CLEAR TO SEND
MALE - DB-9
(9-Pin Connector)
FEMALE - DB-9
(9-Pin Connector)
9 P IN TO 9 P IN
CABLE
Figure 2-2. Console Cable Pinouts
Connect the console to the MRXI as follows:
1. Attach the male 9-pin connector to the CONSOLE port on the rear
of the MRXI.
2. Attach the female end (25-pin or 9-pin, as applicable) to the COMM
port on the terminal.
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ATTACHING THE CONSOLE
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ATTACHING THE CONSOLE
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GETTING STARTED
CHAPTER 3
GETTING STARTED
This chapter explains the conventions used by this manual to describe
each of the screens and commands available with MRXI/LM. It also
describes using the keyboard and the initial steps required to access
MRXI/LM.
3.1 USING THE MANAGEMENT KEYBOARD
The MRXI/LM screens are arranged with pertinent network
information filling much of the display area and several menu
selections across the bottom. To select a menu option or alter a field,
use the keyboard arrows (up, down, left, and right) to highlight the
desired item. Only fields that can be changed can be highlighted.
Incorrect entries (field value exceeded, etc.) are blocked and result in
an appropriate error message (refer to Chapter 6, MRXI/LM
Messa ges).
To make a menu selection:
1. Highlight the menu selection
2. Press Retu r n
To alter a field:
1. Highlight the desired field
2. Enter the new information
3. Press Retu r n
To toggle a field (select the alternative selection for a field):
1. Highlight the desired field
2. Press Retu r n
•
•
The TAB key performs the same function as the right arrow.
Backspace permits correction of entries.
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GETTING STARTED
The RETURN command menu selection takes you back to the
previous screen.
•
3.2 UNDERSTANDING THE SCREENS AND COMMANDS
The hub and local management are controlled by entering parameters
directly into the fields presented on the terminal display and by
selecting commands from menus presented at the bottom of each
display screen. The information in this manual covers all of the
available display screens and is presented using the following format
conventions:
•
Screen formats are illustrated and each field is described
within the text.
a. Field titles for fields that can be altered via the terminal
keyboard are shown underlined.
b. When a default value exists for an entry, the default value
appears in italics in the screen illustration and the default
also appears in parentheses and italics within the text
description of the field.
•
COMMANDS appear in UPPER CASE in the screen
illustrations and in the text.
3.3 MRXI/LM SCREENS
The MRXI/LM provides interactive screens that let you alter
information and select MRXI/LM functions from a series of
management screens. Figure 3-1 shows the paths between screens.
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GETTING STARTED
PASSWORD SCREEN
MRXI SNMP LOCAL MANAGEMENT
MAIN
DEVICE/PORT INFORMATION SCREEN
EXIT
SAVE
PORT
n
RESET COUNTERS
ENABLE ALL PORTS
DISABLE ALL PORTS
ENABLE PORT DISABLE PORT COMMUNITY NAMES
COMMUNITY NAMES
RETURN
SAVE
Figure 3-1. MRXI/LM Screens
3.4 ACCESSING LOCAL MANAGEMENT VIA TERMINAL
To use MRXI/LM, the console must be connected as described in
Chapter 2, Atta ch in g th e Con sole. To access MRXI/LM:
1. If not already powered on, power on the MRXI.
2. Turn on power to the terminal. After a brief (approximately 5
seconds) warmup, the Password Screen appears (see Figure 3-2).
3. If you are not using the password feature of MRXI/LM or if you
have not yet applied your own password, press Return.
If you have applied a password known only to you, enter that
password now, then press Return.
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GETTING STARTED
When you enter the correct password, a MRXI SNMP Local
Management Screen is displayed, indicating that MRXI/LM is
ready for operation (see Figure 3-3). The menu command MAIN is
highlighted.
If an incorrect or invalid password is entered, the password prompt
remains on the screen, allowing you to enter the correct password.
4. Press Return to display the Device/Port Information Screen (see
Figure 3-4). The Device/Port Information Screen serves as the
main screen for MRXI/LM.
MRXI/LM is now ready for operation.
Enter Password:
Figure 3-2. Password Screen
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GETTING STARTED
MRXI SNMP LOCAL MANAGEMENT
Cabletron Systems Incorporated
P.O. Box 5005 Rochester NH 03867-5005 U.S.A.
(603) 332-9400
Version X.XX
(c) Copyright Cabletron Systems, Inc. 1991
MAIN
Figure 3-3. MRXI SNMP Local Management Screen
Device/Port Information
Device Name: MRXI
Ethernet Address: 00-00-1d-00-05-48
Set IP Address: 34.141.3.14
Set Modem Baud Rate: 9600
Device
Port 2
Packets:
1619586
628104
Receive Collisions:
Transmit Collisions:
0
0
0
0
Device Ports On:
Device Ports Off:
12
2
Port Media Type:
10BASE-T
On
Port Administrative Status:
Port Segmentation Status:
Port Link Status:
On
NLNK
EXIT
SAVE
PORT 2
RESET COUNTERS
ENABLE ALL PORTS
COMMUNITY NAMES
DISABLE ALL PORTS
ENABLE PORT
DISABLE PORT
Figure 3-4. Device/Port Information Screen
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GETTING STARTED
3.5 ACCESSING LOCAL MANAGEMENT VIA MODEM
Local management can be accessed through a Hayes, or Hayes
Compatible Modem meeting the AT Command Set. The modem is
attached to the 9 pin port labeled CONSOLE on the MRXI.
3.5.1 Ca ble Con figu r a tion
Local Management is accessed by an RS232 cable available from
Cabletron Systems. This cable connects the modem to the MRXI
Console port.
The pin out for a cable, and a 9 pin connector at the MRXI end of the
cable, should be configured as follows:
9 P in Ma le Con n ector
(MRXI en d )
25 P in F em a le Con n ector
(Mod em en d )
Pin 2 (Transmit)
Pin 3 (Receive)
Pin 5 (Ground)
Pin 7 (Request to Send)
Pin 8 (Clear to Send)
to
to
to
to
to
Pin 2 (Transmit)
Pin 3 (Receive)
Pin 7 (Ground)
Pin 20 (Data Terminal Ready)
Pin 8 (Data Carrier Detect)
3.5.2 Accessin g Loca l Ma n a gem en t
Before accessing Local Management using the modem, the MRXI baud
rate must be set to the rate of the modem. Using a terminal, set the
baud rate at the Device/Port Screen. The default setting is 9600. Refer
to Chapter 4 USING THE DEVICE/P ORT INF ORMATION
SCREEN for information on changing the displayed parameters.
After verifying the baud rate proceed as follows:
1. Plug the 9 pin end of the cable into the port labeled CONSOLE on
the MRXI.
2. Plug the 25 pin end of the cable into the 25 pin RS232 port on the
modem.
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GETTING STARTED
3. Turn modem on. The modem must be set for Auto Answer and DCD
(Data Carrier Detect) active. Refer to the modem manual for
procedures.
4. Call the modem. The Password Screen is displayed when the
connection is established.
5. Enter the Password. Any Superuser password (assigned at the
Community Names Screen) is valid.
6. Press Return. The MRXI SNMP LOCAL MANAGEMENT screen is
displayed (Figure 3-3).
7. Press Return. The Device/Port Information screen is
displayed(Figure 3-4).
MRXI/LM is now ready for operation.
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GETTING STARTED
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USING THE DEVICE/P ORT INF ORMATION SCREEN
CHAPTER 4
USING THE DEVICE/PORT
INFORMATION SCREEN
This chapter describes local management commands, field entries and
statistical information presented on the MRXI/LM Device/Port
Information screen.
The Device/Port Information screen, shown in Figure 4-1, summarizes
HUB status and operational information related to the available
Ethernet ports. The command menu at the bottom of the display lets
you SAVE the current user defined fields, ENABLE and DISABLE
Ports, RESET COUNTERS, EXIT from the local management session
and provides access to the Community Names screen.
Device/Port Information
Device Name: MRXI
Ethernet Address: 00-00-1d-00-05-48
Set IP Address: 34.141.3.14
Set Modem Baud Rate: 9600
Device
Port 2
Packets:
1619586
628104
0
Receive Collisions:
Transmit Collisions:
0
0
0
Device Ports On:
Device Ports Off:
12
2
Port Media Type:
10BASE-T
Port Administrative Status:
Port Segmentation Status:
On
On
Port Link Status:
NLNK
EXIT
SAVE
PORT 2
RESET COUNTERS
ENABLE ALL PORTS
COMMUNITY NAMES
DISABLE ALL PORTS
ENABLE PORT
DISABLE PORT
Figure 4-1. DEVICE/PORT Information Screen
The Device/Port Information screen presents information related to
HUB and the port (1 through 14) currently selected by PORT n
command as follows:
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USING THE DEVICE/P ORT INF ORMATION SCREEN
Device In for m a tion
Device Na m e: - is a name, up to 20 characters in length, that you
can assign and enter to serve as a meaningful identifier for the
HUB.
Set Mod em Ba u d Ra te: - allows changing the Console Port baud
rate when using a modem.
Eth er n et Ad d r ess: - displays the Ethernet address of the HUB in
hex.
Set IP Ad d r ess: - displays the TCP/IP address currently assigned
for the HUB. You can set this field according to your network
requirements. Use the arrow keys to highlight the Set IP Address
field and enter the desired IP address as 4 decimal values between
1 and 254 using a period as a separator between values as follows:
254.254.254.254
P a ck ets: - displays the combined count of packets received by the
HUB’s 14 Ethernet ports, up to a maximum of 4,294,967,295
packets.
Receive Collision s: - indicates the combined count of receive
collisions detected.
Tr a n sm it Collision s: - indicates the combined count of transmit
collisions detected.
Device P or ts On : - shows the number of available HUB ports
currently enabled.
Device P or ts Off: - shows the number of available HUB ports
currently disabled.
P or t In for m a tion
P a ck ets: - displays the number of packets received by the
currently selected Ethernet port (Port n), up to a maximum of
4,294,967,295 packets.
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USING THE DEVICE/P ORT INF ORMATION SCREEN
Receive Collision s: - indicates the number of receive collisions
detected at the currently selected Ethernet port (Port n).
Tr a n sm it Collision s: - indicates the number of transmit
collisions detected at the currently selected Ethernet port (Port n).
P or t Med ia Typ e: - displays the type of media interface at the
currently selected port. Possible entries include:
Ports 1-12
10BASE-T - 10Base-T (UTP)
Ports 13 & 14
SPIM-T - 10Base-T (UTP)
SPIM-T1 - 10Base-T (STP)
SPIM-F1 - Fiber Optic (SMA)
SPIM-F2 - Fiber Optic (ST)
SPIM-C - Thin-net coax
SPIM-A - AUI
P or t Ad m in istr a tive Sta tu s: - shows if the currently selected
port is enabled or disabled.
ON - the port is enabled.
OFF - the port is disabled.
P or t Segm en ta tion Sta tu s: - shows if the currently selected port
is segmented. A port is segmented (logically disconnected) when
the MRXI detects 33 consecutive collisions on the attached segment
or if the collision detector is on longer than 2.4 ms. When a good
packet is received at the port (without causing a collision), the port
is automatically reconnected to the network. Possible status
displays include:
SEG - indicates that the port is segmented.
ON - indicates a normal connection.
P or t Lin k Sta tu s: - displays the link status for the currently
selected port. The link status is only applicable to 10Base-T
Twisted Pair and Fiber Optic Link segments. Possible field
contents:
LNK (link) - indicates that a link is established between the
currently selected port, and the device at the remote end of the
segment.
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USING THE DEVICE/P ORT INF ORMATION SCREEN
NLNK (no link) - indicates that a link has not been established
on the currently selected port.
N/A (not applicable) - indicates that the currently selected port
is not a 10Base-T Twisted Pair or Fiber Optic Link port.
Com m a n d Men u Selection s
EXIT - ends the current local management session and displays
the Password screen.
SAVE - saves the information currently displayed on the Device/
Port Information Screen. MRXI/LM displays:
MODIFIED SCREEN INFORMATION HAS BEEN SAVED!
P ORT n - defines the Port number (1 through 14) related to the
currently displayed port information and designates the port
number used for the ENABLE PORT and DISABLE PORT
commands. To change the port selection, highlight this field and
use the plus (+) or minus (–) keys to increment or decrement the
port number to be acted upon.
RESET COUNTERS - sets the Packet, Receive Collision, and
Transmit Collision counters to zero.
COMMUNITY NAMES - displays the Community Names screen.
This path gives you access to the community names table and
allows setting names recognized by the HUB.
ENABLE P ORT - enables the port currently designated by the
PORT n command.
DISABLE P ORT - disables the port currently designated by the
PORT n command.
ENABLE ALL P ORTS - enables all of the currently available
ports.
DISABLE ALL P ORTS - disables all of the currently available
ports.
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USING COMMUNITY NAMES
CHAPTER 5
USING COMMUNITY NAMES
This chapter defines the fields found on the Community Names screen
and describes entering and using the community names table. To
access the Community Names Screen:
1. Use the arrow keys to highlight COMMUNITY NAMES at the
bottom of the Device/Port Information Screen.
2. Press Retu r n to display the Community Names Screen.
The Community Names Screen (see Figure 5-1) is an interactive table
that lets you designate community names for SNMP compliant
network management workstations, such as a PC running Remote
LANVIEW/Windows, that can access the MRXI and receive alarms
from the MRXI. The SAVE command saves the currently defined
Community Names Table. Table entries take effect following a SAVE.
The RETURN command displays the Device/Port Information Screen.
COMMUNITY NAMES
Please note: SU names are local passwords.
Community Name
IP Address
Access
Traps
public
ctron
RO
RW
NO
NO
0.0.0.0
0.0.0.0
SU
NO
0.0.0.0
NA
NA
NO
NO
0.0.0.0
0.0.0.0
NA
NA
NO
NO
0.0.0.0
0.0.0.0
NA
NO
0.0.0.0
SAVE
RETURN
Figure 5-1. Community Names Screen
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USING COMMUNITY NAMES
Com m u n ity Na m es Ta ble
Four fields, Community Name, Access, Traps, and IP Address, can be
configured on the Community Names screen. Up to eight community
name entries can be used to define SNMP compliant network
management workstations that are allowed access to the MRXI and
designate workstations that will receive alarms from the MRXI.
Com m u n ity Na m e - is a name, up to 32 characters in length, that
you can enter to designate specific SNMP Compliant Community
Names that are permitted to access and receive alarms from the
MRXI. Highlight the desired Community Names field and enter
the community name information directly into the name field.
Access - defines the type of access permitted from a network
management workstation configured with the associated
community name. Highlight this field and press Return to toggle
between the following possible entries:
RO Read Only
RW Read and Write Access
NA Not Accessible
SU Super User access defines names that are used as local
passwords and is required to enter information in the
Community Names Table.
Tr a p s - enables or disables SNMP trap messages to the network
management station with the associated IP Address. Highlight
this field, and press Return to toggle this field between YES and
NO. YES enables traps. NO disables traps.
IP Ad d r ess - is the IP Address of the network management
workstation that will receive SNMP trap messages when enabled
(yes) by the Traps field. Highlight this field and enter the IP
address of the workstation directly into the IP Address field. The
format for this entry is 4 decimal values between 1 and 254 with a
period as a separator between the values as follows:
254.254.254.254
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USING COMMUNITY NAMES
Com m a n d Men u Selection s
RETURN - return to Device/Port Information screen.
NOTE: Changes to the Community Names Table are not saved by the
RETURN command. Perform a SAVE if you want to save any changes
to the Community Names Table.
SAVE - saves the information currently displayed in the
Community Names Table. MRXI/LM displays:
MODIFIED SCREEN INFORMATION HAS BEEN SAVED!
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USING COMMUNITY NAMES
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MRXI/LM MESSAGES
CHAPTER 6
MRXI/LM MESSAGES
This chapter describes messages that can appear at the top of the
MRXI/LM terminal display. The following is a list of messages and
actions required to resolve the problem:
TOO MANY CHARACTERS ENTERED
The number of characters entered exceeds the field length.
Rem ed y: Check the entry and enter the field again.
ILLEGAL INF ORMATION ENTERED
Indicates an attempt to enter inappropriate information, i.e., a
non-numeric value in a numeric field.
Rem ed y: Check the information and enter the field again.
MODIF IED SCREEEN INF ORMATION HAS BEEN SAVED!
A SAVE command has successfully saved the current
information displayed on a either a Device/Port Information
Screen or Community Names Screen.
Rem ed y: Information message that requires no intervention.
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MRXI/LM MESSAGES
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CHANGING THE MRXI/LM PASSWORD
Use these instructions to change your password or add a new password.
Community names defined as Superusers (SU) in the Community
Names Table are MRXI/LM passwords. To access the Community
Names Table:
1. Use the arrow keys to highlight COMMUNITY NAMES at the
bottom of the Device/Port Information Screen.
2. Press Retu r n to display the Community Names Screen.
COMMUNITY NAMES
Please note: SU names are local passwords.
Community Name
IP Address
Access
Traps
public
ctron
RO
RW
NO
NO
0.0.0.0
0.0.0.0
SU
NA
NA
NO
NO
NO
0.0.0.0
0.0.0.0
0.0.0.0
NA
NA
NO
NO
0.0.0.0
0.0.0.0
NA
NO
0.0.0.0
RETURN
SAVE
Community Names Screen
3. Highlight the desired Community Name field. If changing the
current password, select the line that defines an existing superuser
(SU in the Access field). If adding a password, highlight a blank
community name field.
4. Enter the new password, up to 32 characters in length, in the
Com m u n ity Na m e field. If you have added a password, highlight
the associated Access field and press Return (toggle) until SU
appears.
5. Highlight the SAVE command and press Retu r n . The MRXI/LM
displays:
MODIFIED SCREEN INFORMATION HAS BEEN SAVED!
IMP ORTANT: Record your new password. You will need it to initiate
your next MRXI/ LM session. Keep the record of your password and
these instructions in a secure location, away from the HUB.
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