HP-UX LAN Administrator's Guide (July 2003)

DRAFT COPY Troubleshooting HP-UX LAN
100Base-T Checklist
Chapter 4 51
Or use the command lanscan to get the name of the Net Interface Name or ppa number
or nmid number. Once you have the ppa number, for example lan17, you can issue these
following commands one at a time:
lanadmin
lan
ppa
17
display
- Look for the value of Operation Status. It should say “DOWN”.
• Ensure that the host system contains the correct patch level. To find out which version of
the driver is currently installed, execute the command:
what /stand/vmunix | grep btlan
Or use the command:
swlist -l product | grep 100
This should display an ASCII string that indicates the Version and possibly Patch level of
the driver. Many problems have been resolved with newer versions of the driver, which
can be obtained from the latest patches for the 100Base-T cards along with any dependent
patches. Work with the HP Response Center to determine if there is a newer driver that
fixes the symptoms of the problem you are facing.
There are three types of patches that are recommended:
- Patches for software driver
- Patch(es) for lanadmin - current lanadmin provides the
lanadmin -x -X functionality.
- Patch(es) for SAM - all systems need an updated SAM patch because SAM can “step on”
the 100Base-T configuration file Duplex mode.
• Display the card’s current speed and duplex, issue the command:
lanadmin -x NMID/PPA (nmid/ppa comes from the lanscan command)
• If problems persist, if a switch is used, manually set the switch port to the desired speed
and duplex.
• Manually set the card to the desired speed:
- for 100Base-T hubs: 100 Half Duplex
- for 10Base-T hubs: 10 Half Duplex
• Manual setting can be done temporarily with the command: