Usin g HP -P B 10/100Ba se-TX/9000
HP 9000 Netw or k in g
Ma n u fa ctu r in g Pa r t Nu m ber : J 2760-90017
E0699
U.S.A.
© Copyright 1999, Hewlett-Packard Company.
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California.
©copyright 1980, 1984, 1986 Novell, Inc.
©copyright 1986-1992 Sun Microsystems, Inc.
©copyright 1985-86, 1988 Massachusetts Institute of Technology.
©copyright 1989-93 The Open Software Foundation, Inc.
©copyright 1986 Digital Equipment Corporation.
©copyright 1990 Motorola, Inc.
©copyright 1990, 1991, 1992 Cornell University
©copyright 1989-1991 The University of Maryland
©copyright 1988 Carnegie Mellon University
Tr a d em a r k Notices UNIX is a registered trademark of The Open
Group.
X Window System is a trademark of the Massachusetts Institute of
Technology.
MS-DOS and Microsoft are U.S. registered trademarks of Microsoft
Corporation.
OSF/Motif is a trademark of the Open Software Foundation, Inc. in the
U.S. and other countries.
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Con ten ts
Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .10
Announcements . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .10
Step 5: Attach the System to the Network . . . . . . . . . . . . . . . . . . . . . . . .26
Step 6: Configure the 10/100Base-TX Link . . . . . . . . . . . . . . . . . . . . . . .29
Step 7: Verifying the Installation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .32
What Happens During Card Initialization Sequence? . . . . . . . . . . . . . .34
2. Con figu r in g Netw or k Con n ectivity Usin g SAM
Step 1: Configuring Network Connectivity . . . . . . . . . . . . . . . . . . . . . . .37
Step 2: Deleting a Default Gateway . . . . . . . . . . . . . . . . . . . . . . . . . . . .39
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Con ten ts
Error Messages. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 44
Logging Messages. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 45
Manual Installation and Configuration . . . . . . . . . . . . . . . . . . . . . . . . . 47
Contacting Your HP Representative . . . . . . . . . . . . . . . . . . . . . . . . . . . . 48
Diagnostic Flowcharts . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 56
Flowchart 7 Procedures . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 78
Flowchart 8: Transport Level Loopback Test (using ARPA). . . . . . . . 80
Flowchart 8: Procedures . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 81
Flowchart 9: Bridge/Gateway Loopback Test . . . . . . . . . . . . . . . . . . . 82
Flowchart 9 Procedures . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 83
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Con ten ts
A. 10/100Ba se-TX In ter fa ce Ca r d Sta tistics
RFC 1213 MIB II . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .87
RFC 1284 Ethernet-Like Interface Statistics . . . . . . . . . . . . . . . . . . . . .91
Create a Record or Map of Your Internetwork . . . . . . . . . . . . . . . . . . . . .93
Basic Troubleshooting Tips . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .96
Meaning of LEDs . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .98
Connector Information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .99
Connector Pin Usage for 10-Mbit/s Twisted-Pair Connector . . . . . . . .99
Connector Pin Usage for 100-Mbit/s Twisted-Pair Connector . . . . . .100
HP-PB 10/100Base-TX Card . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .102
FCC Statement (For U.S.A.) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .107
Canada . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .107
VCCI (Japan) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .108
EMI Statement (European Community) . . . . . . . . . . . . . . . . . . . . . . . .108
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Con ten ts
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Installing and Configuring 10/100Base-TX/9000
Introduction
In tr od u ction
The HP-PB 10/100Base-TX/9000 product provides the means for
interfacing various types of HP 9000 Series 800 computers to either a
10Base-T or 100Base-TX network. Refer to the Release Notes for the list
of supported systems.
100Base-TX is a subset of 100Base-T networking defined by the IEEE
802.3u-1995 standard. 100Base-TX provides 100 Mbit/s data
transmission over category 5 unshielded twisted-pair (UTP) cable. Two
pairs of wires in the cable are used--one wire pair is for receiving data,
and one wire pair is for transmitting data. The same card port that
supports 100Base-TX operation can also support 10Base-T operation.
IEEE 802.3u 100Base-TX LANs have topologies very similar to 10Base-T
LANs; however certain aspects of the topology such as the maximum
permitted cable lengths are more stringent for 100Base-TX than for
10Base-T. The category 5 UTP cable used in 100Base-TX networks
between devices such as an HP computer and a 100Base-TX hub must be
less than 100 meters long.
For more information on network topologies and associated specifications
for 100Base-TX networking, refer to the IEEE 802.3u specification. Also,
a useful practical reference is Fast Ethernet, Dawn of a New Network by
Howard W. Johnson (published 1996 by Prentice Hall PTR, Upper Saddle
River, New Jersey 07458. Phone 800-382-3419. The ISBN number is
0-13-352643-7).
An n ou n cem en ts
There are no changes in the way the HP-PB 10/100Base-TX/9000 LAN
card works for this release. As of June 1999, the product has a new
product number: A3495A. This release supports the ability to change
speed and duplex mode in the System Admin Manager (SAM). This
release also provides upport for MTU size setting/resetting using
lanadmin -[m|M|R].
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Installing and Configuring 10/100Base-TX/9000
Required and Optional Patches
Requ ir ed a n d Op tion a l Pa tch es
The following patches are required in order to use the HP-PB
10/100Base-TX/9000 card:
Server
•
PHNE_17113—a patch for lanadmin changes on HP-UX 11.x
versions.
•
PHNE_17000—a patch for lanadmin changes on HP-UX 10.20
versions.
•
•
PHCO_17631—a SAM patch for HP-UX 11.0-Based servers.
PHCO_17871—a SAM patch for HP-UX 10.20-Based servers.
Workstation
•
•
•
PHNE_17113—a patch for lanadmin changes on HP-UX 11.x
versions.
PHNE_16999—a patch for lanadmin changes on HP-UX 10.20
versions.
PHCO_17871—a patch for SAM to support HP-UX 10.20
workstation-Based versions of HP-PB 10/100Base-TX/9000.
The patch numbers listed above are current as of this release note.
Please contact the Worldwide Enterprise Response Center if you need to
ensure that you have the latest patches.
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Installing and Configuring 10/100Base-TX/9000
Compatibility and Installation Requirements
Com p a tibility a n d In sta lla tion Requ ir em en ts
Following are the compatibility requirements of the HP-PB
10/100Base-TX/9000:
•
The HP-PB 10/100Base-TX/9000 card supports autonegotiation and
autosensing. You should not normally need to manually configure the
speed, autonegotiation, or duplex mode of the card. If your switch does
not support autonegotiation but is set to full-duplex mode, there may
be a mismatch between the card and the switch, because the card
defaults to half-duplex for switches that do not support
autonegotiation. You can determine what the card is set to using
lanadmin -xand reset it if necessary using lanadmin -X. See
“Manual Speed and Duplex Mode Configuration” for details.
•
•
Both full- and half-duplex modes are supported. Ensure that your
hub or switch is set to the desired duplex mode.
The HP-PB 10/100Base-TX/9000 LAN software is for use with only
the following protocols: TCP/IP, UDP/IP, ARPA, NFS, and Advanced
Server/9000.
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Installing and Configuring 10/100Base-TX/9000
Compatibility and Installation Requirements
Ma n u a l Sp eed a n d Du p lex Mod e
Con figu r a tion
Because the HP-PB 10/100Base-TX/9000 card supports autonegotiation,
you should not normally need to manually set the duplex mode.
Sometimes you may need to manually set the duplex mode of the
card--for example, if the switch is operating at full duplex but does not
autonegotiate. Because the card defaults to half-duplex when
autonegotiation is turned off, this could cause a mismatch between the
card and switch (at either 10 or100 Mbits/s). To fix this, use the
lanadmin -Xcommand as described later in this section.
The CSMA/CD media access method used in IEEE 802.3u-1995 is
inherently a half-duplex mechanism. That is, at any one time, there can
be only one sender of data on the link segment. It is not possible for
devices on either end of the link segment to transmit simultaneously.
Since Category 5 UTP contains multiple pairs of wires, it is possible to
have devices on both ends of a link segment sending data to each other
simultaneously. This is known as full-duplex operation. While the details
of full-duplex operation are not currently defined by IEEE 802.3u-1995
(full-duplex mode essentially involves “turning off” the CSMA/CD access
method which is the foundation of IEEE 802.3), the autonegotiation
mechanism defined in IEEE 802.3u-1995 allows devices to advertise and
configure themselves to operate in a full-duplex mode which is
essentially vendor-specific. Devices that do not support autonegotiation
can sometimes be manually configured to operate in full-duplex mode.
Full-duplex mode is most commonly found in, and indeed only makes
sense for, switches rather than hubs. It may be found in either 10 Mbit/s
or 100 Mbit/s switch devices. Full-duplex mode may provide a
throughput advantage under some circumstances, the degree of the
advantage is application-dependent.
The HP-PB 10/100Base-TX card supports both half and full-duplex
operation.
Ensure that the speed, duplex mode, and autonegotiation of the
associated switch are configure the same as on the HP-PB
10/100Base-TX card. If the switch supports autonegotiation on the ports
connected to the cards, this should be enabled as explained in the section
in this release note called “Autonegotiation and Autosensing.”
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Installing and Configuring 10/100Base-TX/9000
Compatibility and Installation Requirements
To list the current speed and duplex mode of the HP-PB
10/100Base-TX/9000 card, use the -xoption (NOTE: lowercase x) of the
lanadmincommand. Determine the speed and duplex mode of your hub
or switch before performing manual configuration as follows:
lanadmin -x ppa (HP-UX 10.30 or 11.0)
lanadmin -x nmid(HP-UX 10.20)
To manually set the duplex mode of the interface, install one of the
patches above and then use the -Xoption of lanadmin as follows:
lanadmin -X mode ppa (on HP-UX 10.30 and 11.0)
lanadmin -X mode nmid (on HP-UX 10.20)
where
:modecan be any one of the following strings (and the fdor hdare
case-insensitive):
10fd =10 full-duplex
10hd =10 half-duplex
100fd =100 full-duplex
100hd =100 half-duplex
and
lanadmin -X auto_on ppa(turns autonegotiation on for HP-UX 10.30
and 11.0)
lanadmin -X auto_on nmid(turns autonegotiation on for HP-UX 10.20)
The ppais the physical point of attachment on HP-UX 10.30 or 11.0. On
HP-UX 10.20, use the nmidor Network Management ID of the card. You
can get the ppa(nmid) from the output of the lanscancommand.
Example:
If the ppa(nmid on HP-UX 10.20) of the 100Base-TX interface is 5, the
command to set the card to 10Mbits/s and full-duplex mode would be:
lanadmin -X 10fd 5
After issuing the lanadmin -X, you must wait at least 11 seconds before
attempting to use the specified network interface.
If you want the duplex mode setting to be effective in all subsequent
reboots, you must enter the information in the following file:
/etc/r c.con fig.d /h p Ba setcon f
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Installing and Configuring 10/100Base-TX/9000
Compatibility and Installation Requirements
Manually configuring the speed or duplex setting of a switch port on
some switches may disable that switch port from doing autonegotiation.
Verify that both the card and the switch port are operating in the same
speed and duplex mode as desired.
If you use manual configuration to change the card to a different speed
and duplex mode, you may need to turn autonegotiation on first before
the manual setting takes place.
Mismatches between the speed, autonegotiation, or duplex mode of the
card and switch will cause incorrect operation.
Specific items for each installed 10/100Base-TX interface card can be
configured by creating an array of variables, where each array index
corresponds to one interface card; refer to the existing contents of the
h p Ba setcon f file for more detail. For each 10/100Base-TX interface card
whose duplex mode is to be set, entries of the following form must be
made in the h p Ba setcon f file:
HP_BaseT_INTERFACE_NAME[n]=NameUnit
HP_BaseT_SPEED[n]= [10HD 10FD 100HD 100FD auto_on]
NameUnitis the name of the interface to be configured, which can be
determined from the output of the la n sca n command. nis the array
index which should start at 0 but which itself bears no relation to specific
interfaces.
For example, if the name of the 10/100Base-TX interface to configure as
shown by la n sca n is lan3, and this is the only interface to be configured,
the entries in the h p Ba setcon f file to “permanently” configure this
interface to full duplex mode across system reboots would be:
HP_BaseT_INTERFACE_NAME[0]=lan3
HP_BaseT_SPEED[0]=[10FD 100FD auto_on]
If there were a second 10/100Base-TX interface with the name of lan4on
the system whose duplex mode were also to be “permanently” configured
to full-duplex, the additional entries in the h p Ba setcon f file would be:
HP_BaseT_INTERFACE_NAME[1]=lan4
HP_BaseT_SPEED[1]=[10FD 100FD auto_on]
To determine the current duplex mode of the card, use the -xoption of
the la n a d m in command as explained earlier.
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Installing and Configuring 10/100Base-TX/9000
Compatibility and Installation Requirements
Au ton egotia tion a n d Au tosen sin g
Autonegotiation is a mechanism defined in the IEEE 802.3u specification
whereby devices sharing a link segment can exchange information and
automatically configure themselves to operate at the highest capability
mode shared between them.
Autonegotiation is like a rotary switch that automatically switches to the
correct technology such as 10Base-T or 100Base-TX or between half- and
full-duplex modes. Once the highest performance common mode is
determined, auto-negotiation passes control of the link to the
appropriate technology, sets the appropriate duplex mode, and then
becomes transparent until the link is broken.
Following is the IEEE 802.3u-defined hierarchy for resolving multiple
common abilities for a 10/100Base-TX card. The HP-PB
10/100Base-TX/9000 product provides the means for interfacing various
types of HP 9000 workstations to either a 10Base-T or 100Base-TX
network. 100Base-TX is a subset of 100Base-T networking defined by the
IEEE 802.3u-1995 standard. 100Base-TX provides 100 Mbit/s data
transmission over category 5 unshielded twisted-pair (UTP) cable. Two
pairs of wires in the cable are used—one wire pair is for receiving data,
and one wire pair is for transmitting data. The same card port that
supports 100Base-TX operation can also support 10Base-T operation.
•
•
•
•
100Base-TX half duplex
10Base-T full duplex
10Base-T half duplex
100Base-TX full duplex
For example, if both devices on the link support 10Base-T (half duplex)
and 100Base-TX (half duplex), autonegotiation at both ends will connect
the 100Base-TX (half duplex) instead of the 10Base-T (half duplex).
Most Fast Ethernet devices on the market today such as hubs and
switches do not support autonegotiation. Either the speed and duplex
mode of the device are fixed (as is usually the case with hubs), or they are
often manually configured at the desired speed and duplex (as is often
the case for switches). However, switches that support autonegotiation
are starting to be offered.
If the HP-PB 10/100Base-TX/9000 card is connected to a device, such as
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Installing and Configuring 10/100Base-TX/9000
Known Problems and Workarounds
a switch, that is autonegotiating, the HP-PB card will autonegotiate with
the device to mutually determine the highest possible speed and duplex
settings between them.
NOTE
If the HP-PB 10/ 100Base-TX/ 9000 card is connected to a device that
does not support autonegotiation or a device that has autonegotiation
disabled, the HP-PB card will autosense the speed of the link and set
itself accordingly. Th e d u p lex m od e of th e ca r d w ill be set to
h a lf-d u p lex in th is ca se. If you want the card to operate in full-duplex
mode, you have to set it using the method described in “Manual Speed
and Duplex Mode Configuration.”
The HP-PB 10/100Base-TX card will sense when the connection between
itself and a hub or switch on the other end of a link has been broken. If a
connection is made to another (or the same) device, the autonegotiation
and autosensing process will be done again automatically.
Autonegotiation and autosensing are also done whenever the interface is
reset.
Kn ow n P r oblem s a n d Wor k a r ou n d s
If your switch supports autonegotiation, you should not normally need to
set the duplex mode or the speed of the HP-PB 10/100Base-TX card.
Optionally, you can set the full- or half-duplex mode of the card by using
the la n a d m in -X mode ppa(nmid)command as explained in “Manual
Speed and Duplex Mode Configuration” in this Release Note.
NOTE
You cannot set the mode of the card in SAM (the field in SAM that
contains the setting for full-duplex is ignored--it may show the MAC
address of the card but cannot be used for configuration).
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Installing and Configuring 10/100Base-TX/9000
What Manuals are Available
Wh a t Ma n u a ls a r e Ava ila ble
The following documents summarize installation, configuration,
verification and troubleshooting of the HP-PB 10/100Base-TX/9000 LAN
link:
•
•
HP-PB 10/ 100Base-TX/ 9000 Quick Installation
Using HP-PB 10/100Base-TX/9000. Available on Instant Information
CDROM or www.docs.hp.com.
Softw a r e Ava ila bility in Na tive La n gu a ges
The commands used with this product are the ones supported by the
Native Language Support Catalog of HP-UX.
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Installing and Configuring 10/100Base-TX/9000
Overview of Installation Steps
Over view of In sta lla tion Step s
NOTE
The HP 9000 10/ 100Base-TX/ 9000 Quick Installation guide lists the
steps required to install your 10/100Base-TX/9000 hardware and
software. The quick installation guide refers you to complete
descriptions of the software installation steps in this manual. Use the
quick installation guide as your primary reference to installation and
configuration procedures.
This chapter describes the procedures to load 10/100Base-TX software
and hardware onto your system. It contains the following sections:
•
•
•
•
•
•
•
Step 1: Check the 10/100Base-TX Installation Prerequisites.
Step 2: Load the 10/100Base-TX Software.
Step 3: Access the system Card Bay.
Step 4: Install the 10/100Base-TX Card.
Step 5: Attach the system to the Network.
Step 6: Configure the 10/100Base-TX Link.
Step 7: Verify the Installation.
NOTE
Prior to installing 10/100Base-TX/9000, HP recommends that you create
a network map or update the existing map of your 10/100Base-TX
network. Refer to appendix B for an example 10/100Base-TX network
map.
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Installing and Configuring 10/100Base-TX/9000
Step 1: Check the 10/100Base-TX Installation Prerequisites
Step 1: Ch eck th e 10/100Ba se-TX In sta lla tion
P r er equ isites
NOTE
The 10/100Base-TX card is a combination card that allows you to connect
to a 10Mbit/s 10Base-T or 100 Mbit/s 100Base-TX network. The
hardware card will be referred to as a 10/100Base-TX card throughout
this manual.
Prior to loading the 10/100Base-TX product onto your system, check that
you have met the following hardware and software prerequisites:
1. Check that the / usr/ bin,/ usr/ sbin, and /sbin directories are in your
PATH using the command:
echo $PATH
2. The operating system should have been upgraded to 10.20 or later
software.
To obtain this information, execute the command:
/bin/uname -a
3. You have a twisted pair cable to connect your 10/100Base-TX card to
your hub. (The cable and hub do not come with the HP
10/100Base-TX product.) A hardware checklist is shown below:
A. Cable: category 5 unshielded twisted pair (UTP).
B. Card: HP 9000 10/100Base-TX card.
C. Hub or switch: 100Base-TX hub for 100 Mbit/s speed
10Base-T hub for 10 Mbit/s speed.
4. Ensure that there is at least one HP-PB slot available in the system
backplane for the HP-PB 10/100Base-TX card.
5. You have an IP/Internet address, alias, and subnet mask (optional),
for your new 10/100Base-TX card. After you have obtained the
information, fill out the Network Card Configuration worksheet in
your 10/100Base-TX quick installation card.
A summary of the major characteristics of the 10/100Base-TX card is
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Installing and Configuring 10/100Base-TX/9000
Step 1: Check the 10/100Base-TX Installation Prerequisites
shown in “Table 1: 10/100Base-TX/9000 Card Summary.”
Ta ble 1-1
10/100Ba se-TX/9000 Ca r d Su m m a r y
Category
10/100Base-TX
UTP Connection
8-pin RJ45
*
10 Mbit/s or 100 Mbit/s
Speed
Configure Speed
LED on Card
Card Selftest
Half-Duplex
Full-Duplex
At hub or switch port
Yes
Yes
Yes
Yes
Configure Duplex
Mode
Half-Duplex at hub or
full-duplex at switch.
Autonegotiation
Yes
*The speed configuration of the 10/100Base-TX card is determined by
the speed setting of the hub or switch port to which the card is
connected. The card automatically senses this speed. The card only
runs at one speed at a time. To verify the speed selection, use the
LED indicators on the front of the 10/100Base-TX card as shown
below or run lanadmin and check the link speed and duplex mode at
the LAN Interface Status Display.
6. You have super-user status.
NOTE
The only Application Programmatic Interface (API) supported by the
10/100Base-TX /9000 product is the Data Link Provider Interface
(DLPI). Refer to the DLPI Programmer’s Guide for more detailed
information .
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Installing and Configuring 10/100Base-TX/9000
Step 2: Loading 10/100Base-TX Software
Step 2: Loa d in g 10/100Ba se-TX Softw a r e
Follow the steps below to load 10/100Base-TX /9000 software using the
HP-UX swinstall program.
1. Log in as root.
2. Insert the software media (tape or CD) into the appropriate drive.
3. Run the swinstall program using the command:
swinstall
This opens the Software Selection Window and Specify Source
Window of the swinstall program.
4. Change the Source Host Name, if necessary, enter the mount point of
the drive in the Source Depot Path field, and activate the OK button
to return to the Software Selection Window. Activate the Help button
to get more information.
The Software Selection Window now contains a list of available
software bundles to install.
5. Highlight the HP-PB 10/100Base-TX/9000 software.
6. Choose Mark for Installfrom the “Actions” menu to choose the
product name(s) is to be installed.
7. Choose Installfrom the “Actions” menu to begin product
installation and open the Install Analysis Window.
8. Activate the OK button in the Install Analysis Window when the
Status field displays a Ready message.
9. Activate the Yes button at the Confirmation Window to confirm that
you want to install the software. swinstall displays the Install
Window.
View the Install Window to read processing data while the software is
being installed. When the Status field indicates Ready and the Note
Window opens. swinstall loads the fileset, runs the control scripts for
the fileset, and builds the kernel. Estimated time for processing: 3 to
5 minutes.
10. Activate the OK button on the Note Window to reboot the system.
The user interface disappears and the system reboots.
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Installing and Configuring 10/100Base-TX/9000
Step 2: Loading 10/100Base-TX Software
11. When the system reboots, check that the swinstall log file in tail
/ var/ adm/ sw/ swagent.log to make sure the installation was
successful. Use the tail command to locate the 10/100Base-TX
software.
12. Go to the next section “Access the System Card Bay.”
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Installing and Configuring 10/100Base-TX/9000
Step 3: Access the System Card Bay
Step 3: Access th e System Ca r d Ba y
NOTE
NOTE
The HP-PB 10/100Base-TX card is not for use on a personal computer
(PC).
If you installed the card before you installed the software, execute
shutdown (no -h option) and proceed to “Step 5: Attach the System to the
Network.”
Follow the steps below to prepare the system for installation of
10/100Base-TX hardware. Refer to the documentation for your system
for detailed information about opening and closing the system and
locating the slots in the HP-PB backplane.
1. At the HP-UX prompt, execute the following command and wait for
the system to shutdown completely.
/etc/shutdown -h 0
Power off and unplug the system.
2. Observe antistatic precautions. Equalize any static charge on your
body and your computer by using a grounded wrist strap or by
touching the chassis of the computer frequently while you are
installing the card.
Handle the card by the edges and avoid touching the edge connector
and the components.
3. Open the system to gain access to the HP-PB backplane, if applicable.
4. On the HP-PB backplane, select the lowest empty HP-PB slot and
remove the slot cover.
5. Go to the next section, “Step 4: Install the 10/100Base-TX Card.”
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Installing and Configuring 10/100Base-TX/9000
Step 4: Install the 10/100Base-TX Card
Step 4: In sta ll th e 10/100Ba se-TX Ca r d
Follow the steps below to install the 10/100Base-TX card.
1. Grasp the card by its edges or faceplate with both hands.
2. Slide the card into the HP-PB slot.
3. Press the card firmly into place until you feel it mate fully.
4. Secure the card with the captive screws.
5. Reassemble the system.
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Installing and Configuring 10/100Base-TX/9000
Step 5: Attach the System to the Network
Step 5: Atta ch th e System to th e Netw or k
Follow the steps below to attach the system to the network.
1. Attach the 8-pin RJ -45 plug on your twisted-pair LAN cable into the
RJ -45 10/100 Mbit/s connector on the card. The same RJ -45 connector
is used for either 10 or 100 Mbit/s operation. Push the plug into the
connector until the plug clicks into place.
The 10/100Base-TX card automatically runs at the same speed that
has been set on the 10/100Base-TX hub or switch.
2. Attach the free end of the cable to the appropriate port on the
10/100Base-TX switch or hub (or into a wall jack that is connected to
a hub or switch). Connect power cable to system.
Set the hub or switch speed and duplex mode.The HP-PB
10/100Base-TX/9000 card supports both full- and half- duplex
operation.
3. Power up the system. The 10/100Base-TX card will run an
initialization test automatically. Any error messages will appear on
the system’s screen. You can also view the initialization messages
later by typing the dmesgcommand at the HP-UX prompt.
4. Verify that the LEDs on the card reflect the correct mode of operation.
Refer to the LED matrix in Chapter 4, for the meaning of the LED
patterns. Also, refer to the illustration on the HP-PB
10/ 100Base-TX/ 9000 Quick Installation for the LED pattern for
normal 10 Mbit/s and 100 Mbit/s operation. Verify that the Test LED
is OFF. If the Test LED remains lighted, an error has occurred and an
error message will appear on the system’s screen.
5. When the system is up, log in as rootand verify that btlan1 and its
hardware path are displayed by executing the command: ioscan.
6. Execute ioscan -f to make sure the hardware path and driver are
listed.
The ioscan command scans the system hardware and displays output
similar to the following.
The driver for the 10/100Base-TX product is btlan1. Proceed to “Step
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Installing and Configuring 10/100Base-TX/9000
Step 5: Attach the System to the Network
6, Configure the 10/100Base-TX Link” to configure the card.
Class
I H/W Path
Driver
S/W State H/W Type Description
========================================================================
bc
bc
bc
ext_bus
0
root
ccio
ccio
c720
CLAIMED BUS_NEXUS
1 8
2 10
0 10/0
CLAIMED BUS_NEXUS I/O Adapter
CLAIMED BUS_NEXUS I/O Adapter
CLAIMED INTERFACE GSC built-in
Fast/Wide SCSI Interface
target
disk
target
disk
bc
tty
0 10/0.5
0 10/0.5.0
1 10/0.6
1 10/0.6.0
3 10/4
tgt
sdisk
tgt
sdisk
bc
CLAIMED DEVICE
CLAIMED DEVICE
CLAIMED DEVICE
CLAIMED DEVICE
CLAIMED BUS_NEXUS Bus Converter
CLAIMED INTERFACE MUX
SEAGATE ST31230W
SEAGATE ST31230W
0 10/4/0
2 10/4/4
mux2
btlan1
lan
CLAIMED INTERFACE HP HP-PB 100 Base TX
card
lanmux
lan
lan
0 10/4/8
0 10/4/8.1
3 10/4/16
lanmux0
lan3
btlan1
CLAIMED INTERFACE HP J2146A - 802.3 LAN
CLAIMED INTERFACE
CLAIMED INTERFACE HP HP-PB 100 Base
TXcard
ba
0 10/12
bus_adapter CLAIMED BUS_NEXUS Core I/O Adapter
ext_bus
Interface
ext_bus
target
tape
2 10/12/0
CentIf
CLAIMED INTERFACE Built-in Parallel
1 10/12/5
2 10/12/5.0
0 10/12/5.0.0 stape
3 10/12/5.2 tgt
2 10/12/5.2.0 sdisk
c700
tgt
CLAIMED INTERFACE Built-in SCSI
CLAIMED DEVICE
CLAIMED DEVICE
CLAIMED DEVICE
CLAIMED DEVICE
HP
HP35480A
target
disk
TOSHIBA CD-ROM
XM-5401TA
lan
ps2
1 10/12/6
0 10/12/7
lan2
ps2
CLAIMED INTERFACE Built-in LAN
CLAIMED INTERFACE Built-in
Keyboard/Mouse
processor 0 32
processor CLAIMED PROCESSOR Processor
memory CLAIMED MEMORY Memory
memory
0 49
NOTE
For HP 9000 HP-PB systems, the hardware path is in the format, a/ b.
For 10/100Base-TX/9000, a is the address of the optional bus converter,
and b is the slot number where the card is installed. To determine the
hardware path of an HP-PB LAN card, multiply the system bus slot
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Installing and Configuring 10/100Base-TX/9000
Step 5: Attach the System to the Network
number by 4. For example 10/4 specifies that the HP-PB card is located
in bus converter 10, slot number 1.
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Installing and Configuring 10/100Base-TX/9000
Step 6: Configure the 10/100Base-TX Link
Step 6: Con figu r e th e 10/100Ba se-TX Lin k
NOTE
NOTE
Make sure the 10/100Base-TX card and software are installed in the
system before you use SAM to configure the software.
The instructions below are for the Motif version of the System
Administration Manager (SAM). To activate the X11 software on your
system, you must first run the command: .
export DISPLAY=system name:0.0
Log in as root and do the following:
1. At the HP-UX prompt, type: sam
2. Double click Networking and Communications at the SAM main
window.
3. Double click Network Card Configuration at the Networking and
Communications window.
4. Highlight the HP-PB 10/100Base-TX interface card that you want to
configure from the object list. If the card is not displayed, then go
back to Step 3 “Access the System Card Bay” and check that your
hardware has been properly installed.
NOTE
The term 10/100Base-TX on the display indicates that a 10/100Base-TX
card is present. To determine the speed of the 10/100Base-TX card you
must run lanadmin and reference the link speed at the LAN Interface
Status Display or check the 10 and 100 Mbit/s LEDs on the
10/100Base-TX card.
The SAM object list always shows the name of the built-in LAN
(IEEE802.3/Ethernet) as lan0 and the first networking card in an
HP-PB slot as lan1. The networking cards installed in other slots are
named sequentially (lan2, lan3, etc.), according to the order of the
occupied slots.
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Installing and Configuring 10/100Base-TX/9000
Step 6: Configure the 10/100Base-TX Link
5. Verify that the hardware path is correct for your 10/100Base-TX card.
The slot number specified in the hardware path should be the
backplane slot number of the 10/100Base-TX card multiplied by 4.
For example, if the hardware path is 32, then the 10/100Base-TX card
should be in slot 8.
6. Choose Configurefrom the “Actions” menu to open the Configure
LAN Card window.
a. Enter the information about the 10/100Base-TX card. To do so,
press the Tabkey to move through the data entry fields.
NOTE
SAM displays the Card Name, Hardware Path, and Station Address
fields with the appropriate values. These fields cannot be modified after
the first configuration of the card.
b. Verify that the card type is one of the following:
10/100Base-TX IEEE8023 Ethernet
10/100Base-TX IEEE8023
10/100Base-TX Ethernet
The default is 10/100Base-TX Ethernet
c. Enter the Internet address for your 10/100Base-TX card.
Upon exiting the field, SAM checks to make sure that the
IP/Internet address you entered is correctly formatted and is not
currently in use.
d. Optionally, choose Add Aliasesto open the Configure Aliases
window, if you want to assign aliases for the local host.
You must complete this step if you have more than one LAN card
installed in your system. You can also modify or remove alias
names for your 10/100Base-TX card on this menu.
Activate the OK button to perform the task and return to the
Configure LAN Card window.
e. After returning to the LAN Card window, specify whether your
10/100Base-TX card will be on a subnetwork.
f. Optionally, enter comments about your 10/100Base-TX card.
g. Optionally, add the following advanced options: your station
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Installing and Configuring 10/100Base-TX/9000
Step 6: Configure the 10/100Base-TX Link
address and the Internet broadcast address. Activate the SAM
online help for additional information on these options.
7. Activate the OKbutton at the Configure LAN Card window to enable
your 10/100Base-TX card.
If the software is correctly configured, SAM displays the Network
Card Configuration object list with the status En a bled for your
10/100Base-TX card; otherwise, SAM displays an error message.
8. At the Network Card Configuration menu, choose Exit from the “File
menu.”
If you have moved or removed any 10/100Base-TX cards from the
system, HP recommends that you verify the IP/Internet address of
every card in the backplane before leaving SAM
9. Use lanscan to check the network interface and the hardware state of
the 10/100Base-TX card.
NOTE
For HP 9000 HP-PB systems, the hardware path is in the format, a/ b.
For 10/100Base-TX/9000, a is the address of the optional bus converter,
and b is the slot number where the card is installed. To determine the
hardware path of an HP-PB LAN card, multiply the system bus slot
number by 4. For example 10/4 specifies that the HP-PB card is located
in bus converter 10, slot number 1.
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Installing and Configuring 10/100Base-TX/9000
Step 7: Verifying the Installation
Step 7: Ver ifyin g th e In sta lla tion
Once your 10/100Base-TX/9000 software is installed, fully configured
and running, you should run the following commands to verify
10/100Base-TX hardware and software installation. Refer to the online
man pages for complete descriptions of the commands listed below.
1. To check that the link is working, enter the linkloop command at the
HP-UX prompt. In this example, 5 is the Network Management ID
(NMID) of your 10/100Base-TX card and 0x080009266C3F is the
station address of a local or remote node. (You can obtain the NMID
and the local station address from the lanscan command.)
linkloop -i 5 0x080009266C3F
100Base-TX/9000 installation is verified if linkloop succeeds. You can
further verify the link by doing the following steps.
2. To check that the network connection is working, enter the ping
command at the HP-UX prompt. In this example, 191.2.1.2 is the
configured IP/Internet address of the remote system.
ping 191.2.1.2
3. To view information about the station address, hardware state, and
network interface state of your 10/100Base-TX card, enter the
lanscan command at the HP-UX prompt as shown in the example
below:
lanscan
4. To show the number of packets sent or received, and any link errors,
enter the netstat -i command at the HP-UX prompt as shown below:
netstat -i
5. To show the status of the 10/100Base-TX interface, enter the
lanadmin diagnostic command at the HP-UX prompt. For example:
lanadmin
After entering the utility, enter the following lanadmin menu
commands in sequence to show the status of the 10/100Base-TX
device with the NMID of 5.
lan
nmid 5
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Installing and Configuring 10/100Base-TX/9000
Step 7: Verifying the Installation
display
To exit the utility, enter:
quit
Refer to appendix A for a description of the lanadmin display fields.
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Installing and Configuring 10/100Base-TX/9000
What Happens During Card Initialization Sequence?
Wh a t Ha p p en s Du r in g Ca r d In itia liza tion
Sequ en ce?
Following is an overview of the initialization sequence for the HPPB
10/100Base-TX card:
Initialization of an HP-PB 10/100Base-TX card happens during system
bootup only, and it is driven by the btlan1driver for the card. The card
consists of two boards: the motherboard and the daughterboard.
Initialization is divided into two phases: initialization of the
motherboard and initialization of the daughterboard. The initialization
of each of these boards is further divided into the initialization of each of
the major programmable components on the boards. Initialization
consists of the following sequential tasks: identification of a component,
resetting a component, if applicable, and configuration.
Two LEDs on the card are related to the proper installation and
functioning of the card: the Power and Test LEDs. None of the
components on either of the boards is identifiable if the power does not
reach the card, in which case the Power LED on the card does not light.
The card might not be seated properly in this case. Even if the Power
LED is lit, some of the components could still fail to identify correctly if
the card is not properly seated or if the card is defective. In such a case
the initialization of that component fails to complete and the Test LED
on the card is lit. In one case, the component on the motherboard which
is responsible to drive the Test LED may be defective or may not be
reached due to the improper seating of the card in which case the
initialization aborts without lighting the Test LED. However, whenever
initialization fails, it prints a message on the console identifying the
failure. You can later retrieve initialization messages after the system is
fully booted up by using the dmesg command.
Finally, the driver tries to establish a good data link between the card
and the hub or switch. If there is no cable connection, or if the cable
connection is bad, or if the hub or switch is not compatible, that is, not
10Base-T or 100Base-TX capable, the Link LED will not be lit and either
10Base-T LED or 100Base-TX LED will be lit at random. In this
situation, the Test LED will not be lit. Also, a message indicating the
detection of a bad cable connection is printed on the console as well as
logged in NETTL logs.
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Configuring Network Connectivity Using SAM
•
•
Step 1: Configuring Network Connectivity
Step 2: Deleting a Default Gateway (Optional)
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Configuring Network Connectivity Using SAM
Step 1: Configuring Network Connectivity
Step 1: Con figu r in g Netw or k Con n ectivity
Your system may not be able to communicate with other systems, for
example, PCs, workstations, servers, etc., until you configure
system-to-system connections by adding an entry in hosts for the remote
system. You can use SAM to do this automatically by completing the
following steps:
1. At the HP-UX prompt, type: sam
2. Double click Networking and Communications at the SAM main
window.
3. Double click Internet Addresses to enable your system to
communicate with other systems using the TCP/IP protocol.
SAM displays the remote system names and Internet addresses that
are already configured.
4. Choose Addfrom the “Actions” menu to open the Add Internet
Address window to add the internet address and system name of a
remote system.
Use the SAM online help system for information about adding remote
system connections.
a. Enter the Internet address for the remote system.
Upon exiting the Internet Addressfield, SAM checks to make
sure you have entered a valid IP/Internet address. SAM also
determines if a gateway is required for the connection (see step
4c).
b. Enter the remote system name.
Upon exiting the Remote System Namefield, SAM checks to make
sure that connectivity has not already been configured for this
system. If it has, SAM displays an error message.
c. Optionally, choose Add Aliases to open the Add Aliases window
if you want to configure aliases for a remote system.
You can modify or remove alias names for a remote system on this
menu
Activate the OK button to perform the task and return to the Add
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Configuring Network Connectivity Using SAM
Step 1: Configuring Network Connectivity
Internet Addresses window.
Proceed to step 5 if a gateway is not required for this remote
connection.
SAM displays fields for entering gateway information if a gateway
is required for this remote system connection. Use the SAM
online help system for information about gateways.
5. Activate the OK button to enable your system to communicate with
this system and return to the System-to-System Connectivity object
list.
SAM updates the object list to include the remote system you
configured.
NOTE
You can modify or remove remote systems and modify default gateways
by highlighting the Remote System Name from the object list and
choosing Modify, Remove, or Modify Default Gateway from the “Actions”
menu.
6. Choose Exit from the “File” menu.
7. At the Networking Communications window, choose Exit SAM from
the “File” menu to leave SAM.
8. Verify remote system configuration.
a. View the list of remote systems you can communicate with using a
symbolic name by typing the following command at the HP-UX
prompt:
more /etc/hosts
b. View the configured destinations reached through gateways and
the gateways used to reach those destinations by typing the
following command at the HP-UX prompt:
netstat -r
To verify that you can communicate with a remote system via the
10/100Base-TX product, return to chapter 1, “Step 8: Verify the
Installation.”
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Configuring Network Connectivity Using SAM
Step 2: Deleting a Default Gateway
Step 2: Deletin g a Defa u lt Ga tew a y
To delete a default gateway that you have added with SAM, do the
following:
1. Enter the following command at the HP-UX prompt:
route delete default gateway_hostname
where gateway_hostname is the hostname of the default gateway you
want to delete.
2. Edit the / etc/ rc.config.d/ netconf file to remove the corresponding
internet routing configuration parameter values for the gateway. For
example:
ROUTE_DESTINATION [0] =
ROUTE_GATEWAY [0] =
ROUTE_COUNT [0] =
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Configuring Network Connectivity Using SAM
Step 2: Deleting a Default Gateway
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100Base-TX Resources
HP-UX Manual Reference Pages
HP -UX Ma n u a l Refer en ce Pa ges
While installing, configuring, or troubleshooting 10/100Base-TX, you
may need to refer to any of the following online manual reference pages
(man pages) for useful HP-UX operating system or 10/100Base-TX
commands. To display a man page, type the following at the system
prompt: man <command name>. For example, man arp.
•
•
•
•
arp(1M) displays and modifies the Internet-to-station address
mapping tables used by the Address Resolution Protocol.
hosts(4) is a database that contains a single line entry for each host
name entry.
ifconfig(1M) assigns an address to a network interface, and configures
and displays network parameters.
ioscan(1M) scans system hardware, usable I/O system devices, or
kernel I/O system data structures as appropriate, and lists the
results.
•
•
lanadmin(1M) resets or reports the status of the LAN card.
lanconfig(1M) sets/resets the packet encapsulation method for a
network interface. Applicable only to HP-UX 10.20 or earlier.
•
•
lanscan(1M) displays information about LAN cards that are
successfully bound to the system.
linkloop(1M) verifies network connectivity through the Data Link
Layer (OSI Layer 2).
•
•
netfmt(1M) formats common tracing and logging binary files.
netstat(1) provides network statistics and information about network
connections.
•
•
nettl(1M) logs network events and traces packets as they enter and
exit the 10/100Base-TX driver.
ping(1M) verifies network connectivity through the Network Layer
(OSI Layer 3) and reports the round-trip time of communications
between the local and remote hosts.
•
•
route(1M) adds and deletes entries to the network routing table.
sam(1M) configures networking software.
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100Base-TX Resources
HP-UX Manual Reference Pages
•
•
swinstall(1M) loads software filesets onto HP-UX-based systems.
swverify(1M) verifies software installation.
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100Base-TX Resources
Error Messages
Er r or Messa ges
HP-PB 10/100Base-TX comes with an online message catalog that is
used to report networking problems. You must use the nettl logging and
tracing utility to display the probable cause and action for a message.
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100Base-TX Resources
Logging Messages
Loggin g Messa ges
HP 100Base-TX/9000 uses the nettl(1M) logging and tracing facility
supplied with HP-UX. You may access the logging and tracing utility
using either the graphical user interface (GUI) version or the command
line interface.
Features of the GUI version, which are now a part of your HP 9000
system, include:
•
•
•
An interface which guides you through logging and tracing tasks.
An interface which allows you to create and format reports.
The capability to collect logging and tracing subsystem-specific
information.
•
•
Report screens which are updated instantaneously with current
logging and tracing information by the subsystem.
Context-sensitive on-line help.
To access the GUI version of the logging and tracing utility, run the
command:
nettladm
See the nettladm(1M) man page for information on using the GUI
version, or the nettl(1M) manual (man) page for information on using the
command line interface.
Listed below are some example commands using the command line
interface.
•
To examine the log file with cause and action descriptions.
netfmt -v -f /var/adm/nettl.LOG00| more
The -voption enables the reporting of available cause and action
descriptions for each log message. A sample 10/100Base-TX log
message using the -voption is shown below.
******100 Mb/s LAN/9000 Networking**********************
Fri Aug 30 PDT 1996 15:08:07.091398 DISASTER
Subsys:LAN100 Loc:00000
<6011> HPPB 10/100Base-T driver detected bad cable
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100Base-TX Resources
Logging Messages
connection between the adapter in slot 2 and the hub or
switch.
•
•
•
To examine just the log messages in the log file.
netfmt -f /var/adm/nettl.LOG00
To check network logging and tracing status.
nettl -status
To start 10/100Base-TX tracing to the file / tmp/ tracefile.TRC0.
nettl(1m) adds the .TRC0 postfix for you.
nettl -traceon all -entity LAN100 -file /tmp/tracefile
•
•
To stop 100Base-TX tracing.
nettl
-traceoff
-entity LAN100
To format the 10/100Base-TX trace file into the file / tmp/ traceout.
netfmt -f /tmp/tracefile.TRC0 > /tmp/traceout
Refer to the netfmt(1M) man page for further information about this card
and how to create a filter for trace formatting.
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100Base-TX Resources
Manual Installation and Configuration
Ma n u a l In sta lla tion a n d Con figu r a tion
If you want to manually install and configure your 10/100Base-TX/9000
product, refer to the detailed instructions in the Installing and
Administering LAN/ 9000 Software manual.
You may need some of the following 10/100Base-TX/9000-specific
information when you follow those steps:
•
•
HP 9000 HP-PB driver keyword: btlan1
The driver for the HP-PB 10/100Base-TX card has a floating major
number (that is, a major number assigned dynamically by the
operating system).
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100Base-TX Resources
Contacting Your HP Representative
Con ta ctin g You r HP Rep r esen ta tive
If you have no service contract with HP, you may follow the procedure
described below, but you will be billed accordingly for time and materials.
If you have a service contract with HP, document the problem as a
Service Request (SR) and forward it to your HP representative. Include
the following information where applicable:
•
A characterization of the problem. Describe the events leading up to
and including the problem. Attempt to describe the source and
symptoms of the problem.
Your characterization should include: HP-UX commands;
communication subsystem commands; job streams; result codes and
messages; and data that can reproduce the problem. You should also
provide a network map with the host name, IP/Internet address, and
station address of each system connected with the HP system.
Illustrate as clearly as possible the context of any message(s).
Prepare copies of information displayed at the system console and
user terminal.
•
Obtain the version, update, and fix information for all software. To
check the 10/100Base-TX version number, execute what vmunix and
look for the keyword, vtlan1.
To check the version of your kernel, execute uname -r.
This allows HP to determine if the problem is already known and if
the correct software is installed at your site.
•
•
Prepare copies of the / etc/ hosts, and / etc/ rc.config.d/ netconf files.
Execute the dmesg command and record messages about the status of
the 10/100Base-TX card.
•
•
Execute the lanscan -v command and record the output.
Execute the display command of the lanadmin diagnostic on the
10/100Base-TX interface and record the output.
•
•
Record the troubleshooting flowchart number and step number where
you are unable to resolve the problem.
Record all error messages and numbers that appear at the user
terminal and the system console.
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100Base-TX Resources
Contacting Your HP Representative
•
Save all network log files. Make sure that ERROR and DISASTER
log classes are enabled when log files are collected.
Prepare the formatted output and a copy of the log file for your HP
representative to further analyze.
•
•
•
•
•
Prepare a listing of the HP-UX I/O configuration you are using for
your HP representative to further analyze. Use the ioscan(1M)
command to help collect this information
Try to determine the general area within the software where you
think the problem exists. Refer to the appropriate reference manual
and follow the guidelines on gathering information for that product.
Document your interim, or “workaround,” solution. The cause of the
problem can sometimes be found by comparing the circumstances in
which it occurs with the circumstances in which it does not occur.
Create copies of any Internet or 10/100Base-TX/9000 link trace files
that were active when the problem occurred for your HP
representative to further analyze.
In th e even t of a system fa ilu r e, a fu ll m em or y d u m p m u st be
ta k en . Use the HP-UX utility savecore(1M) to save a core dump.
Send the output to your HP representative.
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100Base-TX Resources
Contacting Your HP Representative
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Troubleshooting 10/100Base-TX/9000
•
•
Troubleshooting Overview.
Diagnostic Flowcharts.
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Troubleshooting Overview
Tr ou blesh ootin g Over view
10/100Base-TX problems can be caused by problems in a variety of
hardware and software components. The problem impacting your system
may originate in another part of the 10/100Base-TX network.
As with any troubleshooting, a systematic approach is helpful. The
following two tables and the following flowcharts provide a logical
sequence of steps to follow when troubleshooting 10/100Base-TX/9000.
Using the diagnostic flowcharts provided in this chapter, identify
whether the problem is with 10/100Base-TX/9000 or any of the
connections to the hub or switch, or whether it is in some other part of
the network, verify your assumptions and, if it is limited to
10/100Base-TX/9000 software or hardware, correct the problem.
NOTE
To quickly isolate and diagnose 10/100Base-TX/9000 problems, follow the
steps in the troubleshooting flowcharts, beginning with Flowchart 1, and
stay with the flowcharts until the problems are resolved. Continue
sequentially through flowcharts 2, 3, 4, 5, 6, and 7, referring back to
flowchart 1 (ping) until you have corrected the problems.
If you cannot solve the problem on your own, contact your HP
representative. Use the guidelines at the end of chapter 3 to help you
effectively communicate what is wrong. T he 10/100Base-TX product
uses diagnostic tools compatible with the HP LAN/9000 Link product.
Ta ble 4-1
Tr ou blesh ootin g In for m a tion
Symptom
Corrective Action
The system does not recognize the
card; the HP-PB Test LED is off.
Ensure that the card is seated in the
system backplane. Check for boot-time
error messages by typing the dmesg
command at the HP-UX prompt.
Ensure that kernel contains driver by
issuing what command on kernel.
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Troubleshooting 10/100Base-TX/9000
Troubleshooting Overview
Ta ble 4-1
Tr ou blesh ootin g In for m a tion
Symptom
Corrective Action
The card LEDs are okay, but you
can’t communicate with other
systems.
If the card LEDs appear to be okay:
1) Verify that the cable being used
complies with the IEEE 802.3u-1995
standard.
2) Ping the broadcast address for the
card, and check to see if the activity
light on the hub blinks. Other active
hosts must be connected to the hub or
else the activity light will not blink.
3) If the activity light on the hub does
not blink, and there are other active
hosts connected to the hub, open
another window and enter: netstat
-i1
Try the broadcast ping again. The
transmitted packets counter should start
to increment. If the counter does not
increment, then there is an IP
configuration problem.
4) If the counter does increment, but the
activity light on the hub does not blink,
check the card’s activity light. If it is
blinking, the problem is likely with the
hub or connection to the hub. If the
activity light on the adapter is not
blinking, then there may be a problem
with the driver or the card. Contact HP.
Link LED off.
Check RJ-45 connector, switch, hub,
and cable.
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Troubleshooting 10/100Base-TX/9000
Troubleshooting Overview
In the following HP-PB 10/100Base-TX LED Matrix:
X = LED ON, a n d
O = F la sh in g
HP -P B 10/100Ba se-TX LED Ma tr ix
Power
10
100
Link
Activity Test
Description
X
Improperly seated card or
defective card.
X
X
Driver has not initialized card.
Link cable is not connected to card or to
hub or switch.
X
X
X
Same as above but is for 100Base-TX.
X
X
X
Driver couldn’t complete the
initialization of the card because an error
has been detected. Card may be
defective.
X
X
X
Same as above but is for the 100Base-TX
mode.
X
X
X
X
X
X
X
X
Normal quiescent state for 10Base-T.
Normal quiescent state for 100Base-TX.
O
O
Normal state during transfer of 10Base-T
data. This state is also seen when the card
is connected to a switch and the card is
quiescent. Switch is sending link pulses.
X
X
X
Same as above but is for the 100Base-TX
mode.
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Troubleshooting 10/100Base-TX/9000
Diagnostic Flowcharts
Dia gn ostic F low ch a r ts
Below is a summary of the types of network tests in the diagnostic
flowcharts. Follow the flowcharts in sequence beginning with flowchart 1.
Continue sequentially through flowcharts 2, 3, 4, 5, 6, 7, 8, and 9,
referring back to flowchart 1 (ping), as indicated at the end of each
flowchart, until you have corrected the problem.
Ta ble 4-2
Flowchart Descriptions
Flowchart
Description
1
Network Level Loopback Test
10/100Base-TX Connections/LED Test
Configuration Test
2
3, 4, and 5
6
7
8
9
Network Level Loopback Test
Link Level Loopback Test
Transport Level Loopback Test (using ARPA)
Bridge/Gateway Loopback Test
Netw or k Level Loop ba ck Test: Checks roundtrip communication
between Network Layers on the source and target host using the
ping(1M) command.
10/100Ba se-TX Con n ection s/LED Test: Checks that all the hardware
connections between your system and the 10/100Base-TX network are
connected and operational.
Con figu r a tion Test: Verifies the configuration of the network interface
on a host using the lanscan(1M), netfmt -vf, lanadmin(1M), and
ifconfig(1M) commands.
Netw or k Level Loop ba ck Test (con t): Checks arp entries using the
arp(1M) command.
Lin k Level Loop ba ck Test: Checks roundtrip communication between
Link Levels on the source and target host using the linkloop(1M)
diagnostic.
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Diagnostic Flowcharts
Tr a n sp or t Level Loop ba ck Test: Checks roundtrip communication
between Transport Layers on the source and target host using ARPA
services telnet and ftp commands.
Br id ge/Ga tew a y Loop ba ck Test: Checks general network connections
through a gateway.
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Troubleshooting 10/100Base-TX/9000
Diagnostic Flowcharts
F low ch a r t 1: Netw or k Level Loop ba ck Test
Figu r e 4-1
1
A
Execute: ping
to remote host
B
ping
successful
yes
Stop
?
no
C
D
E
yes
yes
Network
unreachable
?
3
no
Command
hangs
2,3,4,5
6 & 7
?
no
F
Unknown
yes
yes
Correct BIND, YP or
/etc/hosts configuration
host
?
1
no
H
G
No route
to host
?
Add route
table entry
no
Call HP
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Diagnostic Flowcharts
F low ch a r t 1 P r oced u r es
A.
Execu te: p in g to r em ote h ost.Using ping(1M), send
a message to the remote host to which you are having
problems connecting. For example:
ping spiff
B.
p in g su ccessfu l? A message is printed to stdout for
each ping packet returned by the remote host. If
packets are being returned, your system has network
level connectivity to the remote host. Note what
percentage of the total packets are lost, if any. Losing
ten percent or more may indicate the network or
remote host is extremely busy. You may also find it
useful to note the round-trip transmission times.
Periodically high transmission times may indicate that
the network or remote host is extremely busy.
Consistently high transmission times may indicate the
local host is extremely busy. If a message is not
returned after executing ping, ping is not successful.
Do Cn tr l C to stop the ping output.
C.
D.
Netw or k u n r ea ch a ble? If yes, go to flowchart 3 to
display connection status using the lanscan(1M)
command.
Com m a n d h a n gs. If a message is not returned after
executing ping, go to flowcharts 2 through 7, referring
back to flowchart 1 (ping) until you have corrected the
problem.
E.
F.
Un k n ow n h ost? If you receive this message, go to step
F.
Cor r ect BIND, YP or h osts con figu r a tion . Add the
missing host name and start again with flowchart 1.
G.
No r ou te to h ost? If Error= Sendto: No route to
host, go to Step H. Otherwise, call your HP
representative for help.
H.
Ad d r ou te ta ble en tr y. Using route, add a route
table entry for that host. Refer to the route(1M) online
man page for more details. Start again with flowchart
1.
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Diagnostic Flowcharts
F low ch a r t 2: 10/100Ba se-TX Con n ection s/LED Test
Figu r e 4-2
2
C
B
A
Check card installation.
Reset card. Call HP if
problem persists.
yes
yes
Power
LED =ON
?
Test LED = ON
no
?
D
Check:
Power outlet
1
no
F
Check card installation.
Reset card. Call HP if
problem persists.
E
yes
Test Error Message
on Screen (dmesg ouput)
?
no
1
G
Check status of
10, 100, Link, and Activity
LEDs
I
Check connection to hub
or switch.
H
yes
Link LED = OFF
Ensure hub/switch is
10Base-T or 100Base-TX.
Reset card.
?
no
2a
1
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Diagnostic Flowcharts
F low ch a r t 2 P r oced u r es
A.
Ch eck Test LED. Check the on/off pattern of the three
LEDs on the hardware card and make a note of it.
Refer to the LED matrix at the beginning of this
chapter for interpretation of the LED patterns.
B.
C.
Test LED=ON? If Test LED is ON, type the dmesg
command and look for an error message. Go to step C.
If Test LED is OF F, go to step D.
Ch eck ca r d in sta lla tion . Reset ca r d a ccor d in g to
Step s D th r ou gh G in F low ch a r t 4. If p r oblem
p er sists, Ca ll HP. Go back to flowchart 1.
D.
E.
Ch eck Pow er ou tlet. Ensure the power cord is
plugged in to a live outlet.
Test LED = OF F ? At th e HP -UX p r om p t, typ e th e
d m esg com m a n d , a n d look for a n er r or m essa ge.
Does th e d m esg ou tp u t sh ow a n er r or m essa ge
fr om btla n 1? If not, go to step G.
F.
Ch eck ca r d in sta lla tion . If d m esg r ep or ted a n
er r or m essa ge fr om btla n 1, r eset ca r d a ccor d in g
to Step s D th r ou gh G in F low ch a r t 4. If p r oblem
p er sists, ca ll HP. Go back to flowchart 1.
G.
H.
Check status of 10, 100, Link, and Activity LEDs.
Lin k LED = OF F ? If it is off, proceed to step I.
If Lin k LED = ON, proceed to flowchart 2a.
I.
If Link LED = OFF, check connection to hub or switch.
Ensure hub or switch is 10Base-T or 100Base-TX.
Reset card according to Steps D through G in
Flowchart 4. Go back to flowchart 1.
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Diagnostic Flowcharts
F low ch a r t 2a : 10/100Ba se-TX Con n ection s/LED Test
Figu r e 4-3
J
Check connection to hub
Is either
I
or switch.
no
2a
10 Mbit or 100 Mbit LED=ON
Reset card.
?
yes
1
L
K
no
Set attached hub or switch
to correct speed.
Does link speed match
what you expect
Reset card.
?
yes
1
N
yes
M
Check duplex mode
Set attached switch
to correct speed, and duplex,
mode.
on switch. Same mode
?
Reset card.
yes
1
O
no
Does Activity LED
come on during test
Call HP
?
yes
3
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Diagnostic Flowcharts
F low ch a r t 2a P r oced u r es
I.
Eith er 10 Mbit or 100 Mbit LED = ON? If yes, go to
step K.
J.
If eith er 10 Mbit or 100 Mbit LED = OF F, ch eck
con n ection to h u b or sw itch . Reset ca r d
a ccor d in g to Step s D th r ou gh G in F low ch a r t
4.Go back to flowchart 1.
K.
L.
Does Lin k sp eed m a tch w h a t you exp ect? If it
does, proceed to step M
If Lin k sp eed d oes n ot m a tch w h a t you exp ect,
set a tta ch ed h u b or sw itch to th e cor r ect lin k
sp eed . Reset ca r d a ccor d in g to Step s D th r ou gh
G in F low ch a r t 4.Go back to flowchart 1.
M.
N.
O.
Ch eck d u p lex m od e on sw itch p or t. Is th e d u p lex
m od e set to th e sa m e d u p lex m od e on both th e
ca r d a n d th e sw itch p or t? If it is, p r oceed to step
O.
Set attached switch port to the same duplex mode on
both the card and the switch. Reset card according to
Steps D through G in Flowchart 4. Go back to flowchart
1.
Does Activity LED com e on d u r in g test? If the
Activity LED does not come on, Call HP. If it does come
on, go to flowchart 3.
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Diagnostic Flowcharts
F low ch a r t 3: Con figu r a tion Test
Figu r e 4-4
3
A
Execute: lanscan
Is
B
yes
your interface
displayed
?
C
yes
Hardware
up
no
5
D
?
no
Run ioscan
-f
Install driver.
Verify or edit
/stand/system
F
E
no
Is driver in
kernel
?
to add driver keyword
btlan1
Regen kernel.
yes
G
H
Reboot the
system
Check
hardware
I
no
Problem
fixed
?
1
yes
Stop
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Diagnostic Flowcharts
F low ch a r t 3 P r oced u r es
NOTE
Check that your 10/100Base-TX connectors to the card and hub (or wall
plug) are fully connected before beginning this flowchart.
A.
B.
Execu te: la n sca n . Enter the lanscan command to
display information about LAN cards that are
successfully bound to the system. See the lanscan
online manpage for more detailed information.
Is you r in ter fa ce d isp la yed ? lanscan shows
information about every LAN card in the system
backplane. The Hardware Path of one of the entries
should correspond to the HP-PB 10/100Base-TX card
slot multiplied times 4. For example, a hardware path
of 32 corresponds to an HP-PB 10/100Base-TX card in
slot 8.
C.
D.
Hardware up.The hardware state is operational if up is
displayed for the 10/100Base-TX card under the
Hardware State heading. If it is, continue to flowchart
5. If not, go to D.
Ru n iosca n . ioscan will scan the system hardware
and list the results. If you execute ioscan -f, output
similar to the following will be displayed:
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Diagnostic Flowcharts
Class
I H/W Path
Driver
S/W State H/W Type Description
========================================================================
bc
bc
bc
ext_bus
0
root
ccio
ccio
c720
CLAIMED BUS_NEXUS
1 8
2 10
0 10/0
CLAIMED BUS_NEXUS I/O Adapter
CLAIMED BUS_NEXUS I/O Adapter
CLAIMED INTERFACE GSC built-in
Fast/Wide SCSI Interface
target
disk
target
disk
bc
0 10/0.5
0 10/0.5.0
1 10/0.6
1 10/0.6.0
3 10/4
tgt
sdisk
tgt
sdisk
bc
mux2
btlan1
CLAIMED DEVICE
CLAIMED DEVICE
CLAIMED DEVICE
CLAIMED DEVICE
CLAIMED BUS_NEXUS Bus Converter
CLAIMED INTERFACE MUX
SEAGATE ST31230W
SEAGATE ST31230W
tty
lan
0 10/4/0
2 10/4/4
CLAIMED INTERFACE HP HP-PB 100 Base TX
card
lanmux
lan
0 10/4/8
0 10/4/8.1
3 10/4/16
lanmux0
lan3
btlan1
CLAIMED INTERFACE HP J2146A - 802.3 LAN
CLAIMED INTERFACE
CLAIMED INTERFACE HP HP-PB 100 Base
lan
TXcard
ba
0 10/12
bus_adapter CLAIMED BUS_NEXUS Core I/O Adapter
ext_bus
2 10/12/0
CentIf
CLAIMED INTERFACE Built-in Parallel
Interface
ext_bus
target
tape
target
disk
1 10/12/5
2 10/12/5.0
0 10/12/5.0.0 stape
3 10/12/5.2 tgt
2 10/12/5.2.0 sdisk
c700
tgt
CLAIMED INTERFACE Built-in SCSI
CLAIMED DEVICE
CLAIMED DEVICE
CLAIMED DEVICE
CLAIMED DEVICE
HP
HP35480A
TOSHIBA CD-ROM
XM-5401TA
lan
ps2
1 10/12/6
0 10/12/7
lan2
CLAIMED INTERFACE Built-in LAN
CLAIMED INTERFACE Built-in Keyboard/Mouse
ps2
processor 0 32
memory 0 49
processor CLAIMED PROCESSOR Processor
memory CLAIMED MEMORY Memory
E.
Is d r iver in k er n el? If the driver has not been
generated into the kernel, ioscan output will be:
ioscan -f
Class
I H/W Path Driver
S/W State H/W Type Description
===================================================================
unknown -1 10/4/4 UNKNOWN UNCLAIMED INTERFACE
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Diagnostic Flowcharts
The class and driver fields alone will indicate
“unknown” status if the kernel has not been generated.
If the driver has not been generated, continue to step
H. If the driver is in the kernel, go to step G.
F.
Ver ify or ed it /sta n d /system a n d r egen k er n el.
Verify/edit / stand/ system contains theekeyword. If
not, see “Creating a New Kernel” in chapter 3 of the
Installing and Administering LAN/ 9000 Software
manual for instructions on how to edit /sta n d /system
to create a new kernel.
G.
Ch eck h a r d w a r e. Verify that the network card is
seated correctly and that it is operational.
H.
I.
Reboot th e system .
P r oblem fixed ? If you have found the 10/100Base-TX
card problem, stop. If not, start again with flowchart 1.
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Diagnostic Flowcharts
F low ch a r t 4: Con figu r a tion Test
Figu r e 4-5
4
A
Execute: netfmt
B
Check causes and
actions on display
in the formatted log
output
C
yes
Problem
solved
?
1
no
D
E
Execute: lanadmin
Select LAN from
Menu
F
Select PPA (NMID)
and
enter it
G
Reset card
H
Reset
successful
yes
1
?
no
4A
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Diagnostic Flowcharts
F low ch a r t 4 P r oced u r es
A,
Execu te: n etfm t. Use the netfmt command to view log
data (error and disaster messages). An example
command is shown below.
netfmt -v -f /var/adm/nettl.LOG00 | more
B.
Ch eck ca u ses a n d a ction s on d isp la y in th e
for m a tted log ou tp u t. Use the time stamp to find the
proper logs. Ensure that you are looking at the
10/100Base-TX information.
C.
D.
P r oblem solved . If yes, go to flowchart 1. If not,
continue with step D.
Execu te la n a d m in . Run lanadmin(1M). For a
complete description of this command, refer to the
lanadmin(1M) on-line manual page.
E.
F.
Select LAN fr om Men u . Select la n from the menu to
enter LAN Interface Diagnostic.
Select th e P PA (NMID) a n d en ter th e
10/100Ba se-TX NMID. You can use the lanscan
command to find the current PPA (NMID) for
10/100Base-TX. The PPA (NMID) you enter becomes
the current device to be tested.
G.
Reset th e ca r d a ccor d in g to Step s D th r ou gh G in
F low ch a r t 4. Using the reset command in lanadmin
re-executes the LAN card self-test.
Reset su ccessfu l? The reset is successful if no errors
are displayed as a result of the reset command. If the
self-test was successful, the problem may be that you
are not connected to the 10/100Base-TX network.
Correct the problem and verify the resolution by
continuing with flowchart 1. Otherwise, go to flowchart
4A.
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Diagnostic Flowcharts
F low ch a r t 4A: Con figu r a tion Test
Figu r e 4-6
4A
A
Execute: netfmt
B
Check causes and
actions on display
in the formatted log
output
C
yes
Problem
solved
1
?
no
Call HP
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Diagnostic Flowcharts
F low ch a r t 4A P r oced u r es
A.
Execu te: n etfm t. Use the netfmt command to view log
data (error and disaster messages). An example netfmt
command is shown below:
netfmt -v -f /var/adm/nettl.LOG00 | more
Extend the search to LOG01 as information may have
rolled (overflowed) into this file from LOG00.
B.
C.
Ch eck ca u ses a n d a ction s on d isp la y in th e
for m a tted log ou tp u t.Use the time stamp to find the
proper logs. Ensure that you are looking at the
10/100Base-TX information.
P r oblem solved . If yes, go to flowchart 1. If not,
contact your HP representative.
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Diagnostic Flowcharts
F low ch a r t 5: Con figu r a tion Test
Figu r e 4-7
5
A
Execute
ifconfig <interface>
...<IP address> up
B
C
H
Execute:
>
ifconfig <interface
E
D
F
Are
flags correct
?
ifconfig
successful
no
no
Correct ifconfi
flag settings
g
5
?
yes
yes
ifconfig
entry in
Any error
messages
returned
yes
no
/etc/rc.config.d/netconf
Call HP
?
?
yes
no
G
I
Correct problem
according to the
message received
Add ifconfig
command to
/etc/rc.config.d/netconf
5
1
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Diagnostic Flowcharts
F low ch a r t 5 P r oced u r es
A.
Execu te: ifcon fig <in ter fa ce> <IP a d d r ess> u p .
Execute ifconfig on the interface you want to configure
in order to ensure that the interface is enabled. For
example, to configure the 10/100Base-TX interface
lan1, enter:
ifconfig lan1 192.6.1.17 up
For more examples of the ifconfig command, refer to
the ifconfig(1M) online man page.
B.
Execu te: ifcon fig <in ter fa ce>. Execute ifconfig
without the up parameter again on the interface you
want to test to check the flag setting for the up
parameter. For example, to check the 10/100Base-TX
interface lan1, enter:
ifconfig lan1
C.
D.
ifcon fig su ccessfu l? ifconfig is successful if the
output shows the correct Internet address and the
flags:
<UP,BROADCAST, NOTRAILERS, RUNNING>.
Note: Make sure the UP flag is displayed.
Are flags correct? If flags are not correct, use the
ifconfig command to correct them. If they are correct,
go to step F.
Cor r ect ifcon fig fla g settin gs.If ifconfig returns an
incorrect flag setting, re-execute the command with the
proper setting. For more information, refer to the
ifconfig(1M) online man page. Start again with
flowchart 5, as necessary.
E.
F.
An y er r or m essa ge r etu r n ed ?If ifconfig is not
successful, and an error message appears, go to Step G.
If no error messages appear, contact your HP
representative.
Cor r ect p r oblem a ccor d in g to th e m essa ge
r eceived .If you received an error message, make the
appropriate corrections stated in the message and then
begin this procedure again.
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Troubleshooting 10/100Base-TX/9000
Diagnostic Flowcharts
ifcon fig en tr y in /etc/r c.con fig.d /n etcon f? Check
that there is an entry in the /etc/rc.config.d/netconf file
for your 10/100Base-TX card.
I.
Ad d ifcon fig com m a n d to /etc/r c.con fig.d /n etcon f
file. Add the ifconfig command to
/etc/rc.config.d/netconf, and reboot. For more
information, refer to the ifconfig(1M) online man page.
Go to flowchart 1 to verify that the problem has been
solved.
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Troubleshooting 10/100Base-TX/9000
Diagnostic Flowcharts
F low ch a r t 6: Netw or k Level Loop ba ck Test
Figu r e 4-8
6
A
B
Host entry
in ARP
cache
yes
no
Remote
host up
?
1
?
no
yes
C
E
Bring up
remote host
1
no
D
Entry
complete
Use arp to
complete entry
?
yes
F
ping local host
1
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Troubleshooting 10/100Base-TX/9000
Diagnostic Flowcharts
F low ch a r t P r oced u r es
A.
B.
Host en tr y in ARP ca ch e? Using arp, check that an
entry exists for the remote host in your system's ARP
cache. For example:
arp spiff
Rem ote h ost u p ? If there is no ARP cache entry for
the remote host, first check that the remote host is up.
If not, the remote host has not broadcast an ARP
message, and that probably is why there is no entry in
the ARP cache.
C.
D.
E.
Br in g-u p r em ote h ost. Have the node manager of the
remote host bring that system up and start again with
flowchart 1.
En tr y com p lete? Perhaps there is an ARP cache
entry, but it is wrong or not complete. If the entry is
complete, go to step F.
Use a r p to com p lete en tr y. Using arp, enter the
correct Station Address. For more information, refer to
the arp(1M) online man page. Start again with
flowchart 1.
F.
p in g loca l h ost. Using ping, do an internal loopback
on your own system. In other words, ping your own
system.
If the internal loopback is successful, your system is
operating properly to the Network Layer (OSI Layer 3).
In addition, you know an ARP cache entry for the
remote host exists on your system. Start again with
Flowchart 1.
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Troubleshooting 10/100Base-TX/9000
Diagnostic Flowcharts
F low ch a r t 7: Lin k Level Loop ba ck Test
Figu r e 4-9
7
A
B
yes
Execute: linkloop
to remote host
linkloop
successful
?
1
no
C
D
E
Loopback FAILED:
Not an individual
address
Loopback FAILED:
Address has bad
format
Loopback
FAILED
F
G
Choose a different
remote host;
re-execute
Correct the link
address parameter
linkloop
7
H
linkloop
6
successful
no
?
yes
I
Check remote host’s
connectivity to
100Base-TX
1
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Troubleshooting 10/100Base-TX/9000
Diagnostic Flowcharts
F low ch a r t 7 P r oced u r es
A.
Execu te: lin k loop to r em ote h ost. Enter the PPA
(NMID) of your 10/100Base-TX card and link level
address (station address) of the remote host in
hexadecimal form (preceded by “0x”). Execute lanscan
(1M) on the local system to find the PPA (NMID) and
obtain the link level address (station address) of the
remote host. For more information on linkloop, refer to
the linkloop(1M) online man page.
B.
lin k loop su ccessfu l? If the test was successful, go to
flowchart 1 to verify that the problem is solved.
Network connectivity is o.k. through the Link Layer
(OSI Layer 2). If not successful, note which error was
returned and continue with this flowchart.
C.
D.
Loop ba ck fa iled : Ad d r ess h a s ba d for m a t. The
link level address is not correct. Go to F.
Loop ba ck fa iled : Not a n in d ivid u a l a d d r ess. The
link level address is not correct. The first hexadecimal
digit has its high order bit set (if the value is equal to or
greater than 8, it is set). This means it is a multicast or
broadcast address, which is not allowed. The address
must be unique to one remote host. Go to F.
F.
Loop ba ck fa iled . The remote host did not respond.
Go to G.
Cor r ect th e lin k a d d r ess p a r a m eter. Change the
link level address to an allowed value and start again
with flowchart 7.
G.
H.
Ch oose a d iffer en t r em ote h ost; r e-execu te
lin k loop . Restart flowchart 7 using a different remote
host.
lin k loop su ccessfu l? If the test was successful, go to
step I. Network connectivity is o.k. through the Link
Layer (OSI Layer 2). If not successful, the problem
may be with the remote system. Go to flowchart 6.
I.
Ch eck r em ote h ost's con n ectivity to
10/100Ba se-TX. Contact the node manager of the
remote host. Check that the host is configured
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Troubleshooting 10/100Base-TX/9000
Diagnostic Flowcharts
correctly and that its network interface is up. If
necessary, use flowchart 1 to verify configuration of the
remote host.
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Troubleshooting 10/100Base-TX/9000
Diagnostic Flowcharts
F low ch a r t 8: Tr a n sp or t Level Loop ba ck Test (u sin g
ARPA)
Figu r e 4-10
8
A
Execute: telnet to
remote host
B
yes
Successful
Stop
?
no
C
Execute: ftp to
remote host
D
E
yes
Successful
?
Call HP
no
TCP
not configured
on local or
remote
G
yes
Configure
TCP
8
host
?
no
F
yes
Network
congested
?
Call HP
no
Call HP
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Troubleshooting 10/100Base-TX/9000
Diagnostic Flowcharts
F low ch a r t 8: P r oced u r es
A.
Execu te: teln et to r em ote h ost. Try to establish a
telnet connection to the remote host.
B.
Su ccessfu l? If your telnet attempt was successful,
stop. The connection is o.k. through the Transport
Layer (OSI Layer 4).
C.
Execu te: ftp to r em ote h ost. Unlike telnet, ftp does
not go through a pseudoterminal driver (pty) on your
system. This step tests to see if the pty is why telnet
failed.
D.
E.
Su ccessfu l? If ftp is successful, you likely have a
problem with a pty on your system. Contact your HP
representative.
TCP n ot con figu r ed on loca l n or r em ote h ost?
Neither telnet or ftp will work if TCP is not configured
on either side of the connection. Check the
/etc/protocols file on both hosts to be sure TCP is
installed and configured.
F.
Netw or k con gested ? If TCP is installed on both
hosts, do a file transfer to another remote host on the
network. Use netstat(1) to check for lost packets.
If network congestion is not the cause, more detailed
diagnostics are required. Again, contact your HP
representative.
G.
Con figu r e TCP. If necessary, install TCP on either or
both hosts. Start again with this flowchart.
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Troubleshooting 10/100Base-TX/9000
Diagnostic Flowcharts
F low ch a r t 9: Br id ge/Ga tew a y Loop ba ck Test
Figu r e 4-11
9
A
C
Execute: ping from
B
yes
known good host
through gateway to
known good host
Check route table
on problem host and
all hosts between
Successful
?
no
D
E
Examine
gateway
Correct route
tables
1
G
F
Non-HP 9000 or
other vendors.
Refer to networking
documentation
If HP 9000
execute: ifconfig
on gateway host
H
yes
Network
interface up
3
?
no
I
Configure interface
up
1
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Troubleshooting 10/100Base-TX/9000
Diagnostic Flowcharts
F low ch a r t 9 P r oced u r es
A.
B.
C.
Execu te: p in g fr om k n ow n good h ost th r ou gh
ga tew a y to k n ow n good r em ote h ost. This will test
gateway connectivity to the remote network.
Su ccessfu l? If the executing ping returned
successfully, the problem may exist in the routing table
for the problem host. Go to C.
Ch eck r ou te ta ble on p r oblem h ost a n d a ll h osts
in betw een . Execute netstat -r to examine a route
table.
D.
E.
Exa m in e ga tew a y. If the gateway is an HP 9000, go
to G. If it is not, go to F.
Cor r ect r ou te ta bles. Ensure that the proper
IP/Internet addresses are assigned in the Destination
and Gateway fields. If you are using subnetting, make
sure that the destination is what you expect: a network
or a host. Go to flowchart 1 to verify that the problem is
solved.
F.
Non -HP 9000 or oth er ven d or s.Refer to
n etw or k in g d ocu m en ta tion . Refer to the
documentation that came with the gateway for
additional diagnostics.
G.
H.
If HP 9000, execu te ifcon fig on ga tew a y h ost.
Execute ifconfig for all network interfaces on the
gateway.
Netw or k in ter fa ce u p ? If the output from ifconfig
does not include the UP parameter, the network
interface is down. Execute netstat -i to check the
status of the network interfaces. An asterisk (*)
indicates that the interface is down. If the network
interface is down, go to I.
If the network interfaces are UP, start again with
flowchart 3. Using flowchart 3, test all network
interfaces on the gateway.
I.
Con figu r e in ter fa ce u p . Execute ifconfig on each
interface to bring it up. Start again with flowchart 1.
Using flowchart 1, test all network interfaces on the
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Troubleshooting 10/100Base-TX/9000
Diagnostic Flowcharts
gateway.
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10/100Base-TX Interface Card Statistics
display command in lanadmin LAN Interface Test Mode. A description of
each field follows the display.
LAN INTERFACE STATUS DISPLAY
Tue , Aug 20,1996 11:45:17
Network Management ID
Description
= 5
= lan3 Hewlett-Packard
10/100Base-TX Half-Duplex
Hw Rev 0
Type (value)
MTU Size
= ethernet-csmacd(6)
= 1500
Speed
= 100000000
Station Address
= 0x80009d40d69
Administration Status (value) = up(1)
Operation Status (value)
Last Change
= down(2)
= 0
Inbound Octets
= 0
Inbound Unicast Packets
Inbound Non-Unicast Packets
Inbound Discards
= 0
= 0
= 0
Inbound Errors
= 0
Inbound Unknown Protocols
Outbound Octets
= 0
= 0
Outbound Unicast Packets
Outbound Non-Unicast Packets
Outbound Discards
= 0
= 0
= 0
Outbound Errors
= 0
Outbound Queue Length
Specific
= 0
= 655367
Ethernet-like Statistics Group
Index
Alignment Errors
FCS Errors
= 3
= 0
= 0
= 0
= 0
= 0
= 0
= 0
= 0
= 0
= 0
= 0
Single Collision Frames
Multiple Collision Frames
Deferred Transmissions
Late Collisions
Excessive Collisions
Internal MAC Transmit Errors
Carrier Sense Errors
Frames Too Long
Internal MAC Receive Errors
86
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10/100Base-TX Interface Card Statistics
RFC 1213 MIB II
RF C 1213 MIB II
For more detailed information about the fields described below, refer to
RFC 1213.
Field
Netw or k Ma n a gem en t ID
A unique ID assigned by the system for the network
Descr ip tion
management of each network interface.
Descr ip tion
Typ e (va lu e)
A textual string containing information about the
interface.
The type of interface, distinguished according to the
physical/link protocols, immediately below the network
layer in the protocol stack.
10/100Base-TX can have one of the following values:
ethernet-csmacd(6), or iso88023-csmacd(7).
The following values are for other networking products.
MTU Size
The size of the largest datagram which can be
sent/received on the interface specified in octets. This
value is 1500.
Sp eed in bits p er secon d
The speed of the 10/100Base-TX card, 10 Mbit/s or 100
Mbit/s.
Sta tion Ad d r ess
The interface address at the protocol layer immediately
below the network layer in the protocol stack. For
interfaces which do not have such an address, such as
serial line, this object contains an octet string of zero
length.
Appendix A
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10/100Base-TX Interface Card Statistics
RFC 1213 MIB II
Ad m in istr a tion Sta tu s
The desired state of the interface. This parameter is set
to up(1)and is not configurable. It will have one of the
following values:
up(1)
Ready to pass packets
Not operative
down(2)
testing(3)
In test mode
Op er a tion Sta tu s
The current operational state of the interface. This
value is the same as the hardware status displayed by
lanscan(1M). It will have one of the following values.
up(1)
Ready to pass packets
Not operative (card is down)
In test mode
down(2)
testing(3)
La st Ch a n ge
The value of SysUpTime at the time the interface
entered its current operational state. If the current
state was entered prior to the last reinitialization of the
local network management subsystem, then this object
contains a zero value.
In bou n d Octets
The total number of octets received on the interface,
including framing characters.
In bou n d Un ica st Pa ck ets
The number of subnetwork-unicast packets delivered
to a high-layer protocol.
In bou n d Non -Un ica st Pa ck ets
The number of non-unicast (subnetwork-broadcast or
88
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10/100Base-TX Interface Card Statistics
RFC 1213 MIB II
subnetwork-multicast) packets delivered to a
higher-layer protocol.
In bou n d Disca r d s
The number of inbound packets that were discarded
even though no errors had been detected, to prevent
their being delivered to a higher-layer protocol. One
possible reason for discarding such a packet could be to
free up buffer space.
In bou n d Er r or s
The number of inbound packets that contained errors
preventing them from being deliverable to a
higher-layer protocol.
In bou n d Un k n ow n P r otocols
The number of packets received via the interface which
were discarded because of an unknown or unsupported
protocol.
Ou tbou n d Octets
The total number of octets transmitted out of the
interface, including framing characters.
Ou tbou n d Un ica st Pa ck ets
The total number of packets that higher-level protocols
requested be transmitted to a subnetwork-unicast
address, including those that were discarded or not
sent.
Ou tbou n d Non -Un ica st Pa ck ets
The total number of packets that higher-level protocols
requested be transmitted to a non-unicast (a
subnetwork-broadcast or subnetwork-multicast)
address, including those that were discarded or not
sent.
Ou tbou n d Disca r d s
The number of outbound packets that were discarded
even though no errors had been detected to prevent
their being transmitted. One possible reason for
discarding such a packet could be to free up buffer
Appendix A
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10/100Base-TX Interface Card Statistics
RFC 1213 MIB II
space.
Ou tbou n d Er r or s
The number of outbound packets that could not be
transmitted because of errors.
Ou tbou n d Qu eu e Len gth
The length of the output packet queue (in packets).
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10/100Base-TX Interface Card Statistics
RFC 1284 Ethernet-Like Interface Statistics
RF C 1284 Eth er n et-Lik e In ter fa ce Sta tistics
Field
Descr ip tion
In d ex
A value that uniquely identifies an interface to an
802.3 medium.
Align m en t Er r or s
A count of frames received on a particular interface
that are not an integral number of octets in length and
do not pass the FCS check.
F CS Er r or s
A count of frames received on a particular interface
that are not an integral number of octets in length and
do not pass the FCS check.
Sin gle Collision Fr a m es
A count of successfully transmitted frames on a
particular interface for which transmission is inhibited
by exactly one collision.
Mu ltip le Collision Fr a m es
A count of successfully transmitted frames on a
particular interface for which transmission is inhibited
by more than one collision.
Defer r ed Tr a n sm ission s
A count of frames for which the first transmission
attempt on a particular interface is delayed because
the medium is busy. The count represented by an
instance of this object does not include frames involved
in collisions.
La te Collision s
The number of times that a collision is detected on a
particular interface later than 512 bit-times into the
transmission of a packet.
Excessive Collision s
Appendix A
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10/100Base-TX Interface Card Statistics
RFC 1284 Ethernet-Like Interface Statistics
A couple of frames for which transmission on a
particular interface fails due to excessive collisions in
10-Base-T mode. For 100Base-TX mode, excessive
collisions indicate the number of packets dropped.
In ter n a l MAC Tr a n sm it Er r or s
A count of frames for which transmission on a
particular interface fails due to an internal MAC
sublayer transmit error.
Ca r r ier Sen se Er r or s
The number of times that the carrier sense condition
was lost or never asserted when attempting to transmit
a frame on a particular interface.
Fr a m es Too Lon g
A count of frames received on a particular interface
that exceed the maximum permitted framer size.
In ter n a l MAC Receive Er r or s
A count of frames for which reception on a particular
interface fails due to an internal MAC sublayer receive
error.
92
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10/100Base-TX Interface Card Statistics
Create a Record or Map of Your Internetwork
Cr ea te a Recor d or Ma p of You r In ter n etw or k
Be sure to create or update a record of your network and internetwork
before attempting 10/100Base-TX installation. You may wish to create a
map showing how pieces of your internetwork are related. Your records
should include:
•
Approximate dimensions of the building or room containing the
10/100Base-TX network.
•
•
•
•
•
Location of, routers, bridges, and gateways
Location of nodes and node connections.
Location of network segments and subnets within each segment
Hostname of each node.
Internet Address and Alias of each node (in the case of gateways, each
10/100Base-TX card has its own Internet Address and Alias).
•
•
Hardware Path of each card in the system including 10/100Base-TX
cards. You can use this information as part of a disaster recovery
plan.
Version number of the operating system installed on each node.
Appendix A
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Create a Record or Map of Your Internetwork
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Hardware Reference Information
Basic Troubleshooting Tips
Ba sic Tr ou blesh ootin g Tip s
Listed below are some tips on troubleshooting common hardware
problems. Refer to this information when you are trying to identify
10/100Base-TX hardware problems.
•
Check the network cables. Make sure the network cable connections
are secure and that the cables are not damaged. If you find any
connections that are loose, or cables that are damaged, fix the
problem and then see if your computer can communicate on the
network
•
Check the LEDs. The six LEDs on the LAN card bulkhead can be
used to help identify the problem. Figures 3 through 7 will help you to
interpret the LED display.
Refer to the figure below to interpret the LEDs on the front of the card.
Figu r e B-1
LED Disp la y for 10 or 100 Mbit/s Nor m a l Op er a tion
= LED ON
= LED OFF
Power
Test (On=fail;Off=pass)
RJ-45 Connector (TX)
100-Mbit/s Indicator
Activity
(On=Data transmitted/received)
10-Mbit/s Indicator(On for 10Mbit/s)
Link Status (On=link established)
10 or 100 Mbit/s
Refer to the following picture to see how the LEDs indicate a 10 or 100
Mbit/s fault condition. Note that if either the Link Status LED is OFF or
96
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Hardware Reference Information
Basic Troubleshooting Tips
if the Test LED is ON, this indicates a fault.
The possible causes of a fault condition could be:
•
•
•
Defective cable
Cable not connected to active hub or switch
Defective card
NOTE
If the Link LED is ON and the Test LED is OFF and there still is a fault,
at the HP-UX command line, type: dmesgand view the output on your
screen to see if any error messages exist.
Figu r e B-2
LED Disp la y In d ica tin g Fa u lt Con d ition s for 10 or 100 Mbit/s
Ca r d
= LED ON
= LED OFF
Power
Test LED=ON
RJ-45 Connector (TX)
100-Mbit/s Indicator = ON
Activity = OFF
10-Mbit/s Indicator(ON for 10Mbit/s)
Link Status LED = OFF
10 or 100 Mbit/s
Appendix B
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Hardware Reference Information
Meaning of LEDs
Mea n in g of LEDs
Following is a summary of the purpose of the front-panel LEDs.
If this LED is ON... It means this ...
Power
Test
The card’s power is on.
The card has not passed its initialization
sequence.
10
Operating at 10 Mbit/s
100
Operating at 100 Mbit/s
Link
Activity
Link established with hub or switch.
Data transmitted/received.
98
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Hardware Reference Information
Connector Information
Con n ector In for m a tion
This section includes pin usage information for the RJ -45 twisted pair
connector. Connectors on LAN adapters adhere to appropriate standards
agreed upon by various standards bodies and are widely available.
Incorrectly wired or installed cabling is the most common cause of
communications problems for local area networks. HP recommends that
you work with a qualified cable installer for assistance in your cabling
requirements.
CAUTION
The unshielded twisted-pair cables you use with the HP-PB
10/100Base-TX card must comply with the IEEE 802.3u 100Base-TX
standards in order to meet emissions requirements. These standards
support cabling up to 100 meters only.
HP -P B 10/100Ba se-TX Ca r d Tw isted -Pa ir Con n ector
There is only one connector on the card that is used for either 10Base-T
or 100Base-TX operation. The operating mode is determined by the
setting of the hub or switch to which the card is connected.
Con n ector P in Usa ge for 10-Mbit/s Tw isted -Pa ir
Con n ector
Use unshielded twisted-pair cables that comply with the IEEE 802.3
Type 10Base-T standard.
Ta ble B-1
IEEE 802.3 Typ e 10Ba se-T Sta n d a r d
Pins
Signal
1
2
(transmit +)
(transmit -)
Appendix B
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Hardware Reference Information
Connector Information
Ta ble B-1
IEEE 802.3 Typ e 10Ba se-T Sta n d a r d
Pins
Signal
3
6
(receive +)
(receive -)
Figu r e B-3
P in La you t of RJ -45 Con n ector on HP -P B Ca r d
8
1
Available HP Cables:
•
•
•
•
•
HP 92268A - 4 meter with attached 8-pin connectors.
HP92268B - 8-meter with attached 8-pin connectors.
HP 92268C - 16-meter with attached 8-pin connectors.
HP 92268D - 32-meter with attached 8-pin connectors.
HP 92268N- 300-meter (no connectors supplied).
Con n ector P in Usa ge for 100-Mbit/s Tw isted -Pa ir
Con n ector
Use Category 5 unshielded twisted-pair cables that comply with the
IEEE 802.3u 100Base-TX standard.
100
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Hardware Reference Information
Connector Information
Ta ble B-2
IEEE 802.3 Typ e 10Ba se-T Sta n d a r d
Pins
Signal
TX End Node
1
2
TX:1+
TX:1-
3
6
RX:1+
RX:1-
4
5
Unused
Unused
7
8
Unused
Unused
Available HP Cables:
•
•
•
•
•
HP 92268A - 4 meter with attached 8-pin connectors.
HP92268B - 8-meter with attached 8-pin connectors.
HP 92268C - 16-meter with attached 8-pin connectors.
HP 92268D - 32-meter with attached 8-pin connectors.
HP 92268N- 300-meter (no connectors supplied).
Ca ble Len gth s:
The maximum length of the cable from the hub to each node for
100Base-TX is 100 meters. The cable must be category 5 UTP for
100Base-TX operation. For additional information on cable lengths and
number of nodes supported by 10/100Base-TX, refer to the IEEE 802.3u
Specification and Fast Ethernet, Dawn of a New Network by Howard W.
Johnson (published 1996 by Prentice Hall PTR, Upper Saddle River, New
Jersey 07458. Phone 800-382-3419. The ISBN number is 0-13-352643-7).
Appendix B
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Hardware Reference Information
HP-PB 10/100Base-TX Card
HP -P B 10/100Ba se-TX Ca r d
Specifications.
P h ysica l
Dimensions: 231.14 mm by 30.48mm cm (9.1 in by 1.2 in)
Weight:
.28 kg (10 oz)
Electr ica l
DC Voltage:
4.75-5.25V
Typical Current:
Maximum Current:
1.8A
2.0A
En vir on m en ta l
Operating temperature:
Storage temperature:
Relative humidity:
o
o
5 C to 40 C
o
o
-40 C to +70 C
o
15% to 80% at 40 C non-condensing
Ca ble In ter fa ces
•
The 10-Mbit/s twisted-pair port is compatible with IEEE 802.3u-1995
Type 10Base-T.
•
The 100-Mbit/s twisted-pair port is compatible with IEEE
802.3u-1995 standard.
Com m u n ica tion s Sta n d a r d s
•
•
IEEE 802.3u-1995 Type 10Base-T (10Mbit/s).
IEEE 802.3u-1995 standard (100-Mbit/s)
102
AppendixB
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Hardware Reference Information
HP-PB 10/100Base-TX Card
Electr om a gn etic
FCC part 15 Class A
USA
CISPR-22/EN55022 Class A
EN55082-1
International and Europe
Europe
VCCI Class i
Japan
(For compliance to European standards, see the Declaration of
Conformance under “Regulatory Statements.”)
Exch a n ge Assem bly
The HP-PB 10/100 Base-TX card may be replaced under the HP board
exchange program. Card part numbers are listed below:
•
•
New card: A3495-60001.
Exchange card: A3495-69001
Resh ip m en t Gu id elin es
If any item of the product is to be returned to Hewlett-Packard for any
reason, contact your HP Sales and Support Office to coordinate the
return.
When returning the item, attach a tag that identifies the owner and
indicates the reason for shipment. Include the part number of the item
and date code.
Pack the item in the original factory packaging material if available, or a
suitable substitute. Provide antistatic protection to applicable
components or assemblies.
Appendix B
103
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Hardware Reference Information
HP-PB 10/100Base-TX Card
104
AppendixB
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Hardware Regulatory Statements
European community.
106
AppendixC
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Hardware Regulatory Statements
FCC Statement (For U.S.A.)
F CC Sta tem en t (For U.S.A.)
Fed er a l Com m u n ica tion s Com m ission Ra d io Fr equ en cy
In ter fer en ce Sta tem en t
WARNING
Th is equ ip m en t gen er a tes, u ses, a n d ca n r a d ia te r a d io fr equ en cy
en er gy. If it is n ot in sta lled a n d u sed in a ccor d a n ce w ith th e
in str u ction m a n u a l, it m a y ca u se in ter fer en ce to r a d io
com m u n ica tion s. It h a s been tested a n d fou n d to com p ly w ith
th e lim its for a Cla ss A com p u tin g d evice p u r su a n t to Pa r t 15 of
F CC Ru les, w h ich a r e d esign ed to p r ovid e r ea son a ble p r otection
a ga in st su ch in ter fer en ce w h en op er a ted in a com m er cia l
en vir on m en t. Op er a tion of th is equ ip m en t in a r esid en tia l a r ea
is lik ely to ca u se in ter fer en ce, in w h ich ca se th e u ser a t h is ow n
exp en se w ill be r equ ir ed to ta k e w h a tever m ea su r es m a y be
r equ ir ed to cor r ect th e in ter fer en ce.
If th is equ ip m en t ca u ses in ter fer en ce to r a d io r ecep tion (w h ich
ca n be d eter m in ed by u n p lu ggin g th e p ow er cor d fr om th e
equ ip m en t) tr y th ese m ea su r es: Re-or ien t th e r eceivin g a n ten n a .
Reloca te th e equ ip m en t w ith r esp ect to th e r eceiver. P lu g th e
equ ip m en t a n d r eceiver in to d iffer en t br a n ch cir cu its. Con su lt
you r d ea ler or a n exp er ien ced tech n icia n for a d d ition a l
su ggestion s.
Ca n a d a
Warning: This Class A digital apparatus meets all requirements of the
Canadian Interference-Causing Equipment Regulations.
Cet appareil numérique de la classe A respecte toutes les exigences du
règlement sur le matériel brouilleur du Canada.
Appendix C
107
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Hardware Regulatory Statements
VCCI (Japan)
VCCI (J a p a n )
This equipment complies with the Class A category for information
technology equipment based on the rules of Voluntary Control Council
for Interference by Information Technology Equipment. When used in a
residential area, radio interference may be caused. In this case, the user
may be required to take appropriate corrective actions.
Figu r e C-1
VCCI Regu la tor y Sta tem en
EMI Sta tem en t (Eu r op ea n Com m u n ity)
NOTE
This is a class A product. In a domestic environment, this product may
cause radio interference, in which case you may be required to take
adequate measures.
108
AppendixC
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Glossa r y
10Ba se-T: A 10 Mbit/s
communication method specified in
the IEEE 802.3u-1995 standard.
does not require the two-way
information exchange and
negotation process of full
autonegotiation.
100Ba se-T: A 100 Mbit/s
communication method specified in
the IEEE 802.3u-1995 standard.
The official name for Fast
Ethernet.
CSMA/CD: Carrier sense multiple
access with collision detection. The
media access method implemented
in IEEE 802.3u-1995.
100Ba se-TX: A specific
implementation of 100Base-T
designed to operate over Category
5 UTP cabling.
Ca r d In sta n ce Nu m ber : A
number that uniquely identifies a
device within a class. A class of
devices is a logical grouping of
similar devices.
Alia s: Name of the interface that
corresponds to a given Internet
address on a system. Refer to the
network map in appendix B for
example usage.
Destin a tion Ad d r ess: A field in
the message packet format
identifying the end node(s) to
which the packet is being sent.
Au ton egotia tion : A mechanism
defined in IEEE 802.3u-1995
whereby devices sharing a link
segment can exchange data and
automatically configure
themselves to operate at the
highest capability mode shared
between them.The HP-PB
10/100Base-TX card supports
autonegotiation.
DLP I: Data Link Provider
Interface. An industry-standard
definition for message
communications to
STREAMS-based network
interface drivers.
Eth er n et: A 10 Mbit/s LAN,
developed by Digital Equipment
Corporation, Intel, and Xerox
Corporation, upon which the IEEE
802.3 network is based.
Au tosen sin g: The ability of the
HP-PB 10/100Base-TX card to
detect a static speed of a hub or
Fa st Eth er n et: A commonly used
switch and automatically configure name applied to 100Base-T.
itself to operate accordingly. This
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F u ll-Du p lex Mod e: A mode of
media utilization whereby data
can flow in both directions
Hu b: A network interconnection
device that allows multiple devices
to share a single logical link
segment. Hubs are generally
either 10 Mbit/s or 100 Mbit/s
devices. Use either a 10Base-T or
100Base-TX hub with the HP-PB
10/100Base-TX card.
simultaneously across the multiple
wire pairs of a physical link. While
full-duplex operation is not defined
per se in the IEEE 802.3u-1995
specification, the specification does
define a mechanism for this mode
to be autonegotiated between
devices on each end of a link.
Full-duplex mode is typically
found on switches. The HP-PB
10/100Base-TX card supports both
full- and half-duplex
IEEE: The Institute of Electrical
and Electronics Engineers. A
national association, whose
activities include publishing
standards applicable to various
electronic technologies. The IEEE
technical committees are
communications.
numbered and grouped by area.
For example, the 800 committees
study local area network
Ha lf-Du p lex Mod e: The media
utilization mode of IEEE
802.3u-1995 networks whereby
data can flow in only one direction
at a time across the multiple wire
pairs of a physical link.
technologies. The 802.3 committee
produced the standard for a
CSMA/CD local area network,
which has been adopted by ANSI.
Ha r d w a r e Pa th : An identifier
assigned by the system according
to the physical location (slot) of the
card in the hardware backplane.
On Series 800 systems, the I/O
subsystem identifies each LAN
card by its hardware path.
IEEE 802.3u -1995 n etw or k : A
10 or 100 megabit-per-second LAN,
specified in the IEEE 802.3u-1995
Standard for Local Area Networks.
It uses the Carrier Sense Multiple
Access/Collision Detection
(CSMA/CD) network access
method to give every node equal
access to the network.
Hostn a m e: Name of system on
the network. Refer to the network
map in appendix B for example
usage.
In ter n et Ad d r ess: The network
address of a computer node. This
address identifies both which
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network the host is on and which
host it is. Refer to the Installing
and Administering LAN/ 9000
Software manual for detailed
information about network
addressing.
interface has a hardware device
associated with it, such as a LAN
or FDDI card. A software network
interface does not include a
hardware device, for example the
loopback interface. For every IP
address instance, there must be
one network interface configured.
IP Ad d r ess: See Internet Address
glossary entry.
Netw or k Ma n a gem en t
LAN: See Local Area Network.
Id en tifier (NMID): A unique ID
assigned by an HP-UX 10.x-based
system for the network
management of each network
interface. See also PPA.
Loca l Ar ea Netw or k (LAN): A
data communications system that
allows a number of independent
devices to communicate with each
other.
Nod e: Any point in a network
where services are provided or
communications channels are
interconnected. A node could be a
workstation or a server processor.
Loca l Netw or k : The network to
which a node is directly attached.
Ma jor Nu m ber : Unique value
that identifies an individual
hardware device.The number for
the HP-PB 10/100Base-TX card
floats.
Pa ck et: A sequence of binary
digits that is transmitted as a unit
in a computer network. A packet
usually contains control
information plus data.
Ma xim u m Tr a n sm ission Un it
(MTU). Largest amount of data
that can be transmitted through
that interface. This value does not
include the LLC or MAC headers.
P PA: Physical point of attachment
for HP-UX 11.x based systems.
P r otocol: A specification for
coding messages exchanged
between two communications
processes.
Netw or k In ter fa ce: A
communication path through
which messages can be sent and
received. A hardware network
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RJ -45: The name for the connector
type used with UTP cabling.
Mbit/s or 100 Mbit/s) while others
allow port speeds to be configured
or autonegotiated.
Su bn etw or k : Small discrete
physical networks connected via
gateways which share the same
network address space. Refer to
the Installing and Administering
LAN/ 9000 Software manual for
detailed information about
subnetworks and subnet
Top ology: The physical and
logical geometry governing
placement of nodes in a computer
network. Also, the layout of the
transmission medium for a
network.
addressing.
UTP (Un sh ield ed Tw isted Pa ir )
Ca blin g: A data cable type
consisting of pairs of wires twisted
together without an electrically
shielding jacket.
Su bn et m a sk : A 32-bit mask
which, when AND'd with an
internet address, determines a
subnetwork address. When the
internet address is AND'd with the
subnet mask, the ones in the host
portion of the subnet mask will
“overwrite” the corresponding bits
of the host portion of the internet
address, resulting in the subnet
address. Refer to the Installing
and Administering LAN/ 9000
Software manual for detailed
information about subnet masks.
Sw itch : A network
interconnection device that allows
multiple connected senders and
receivers to communicate
simultaneously in contrast to a
hub (repeater) where only one
device can send at a time. Some
switches have fixed port speeds (10
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