PCI Token Ring Quick Configuration Guide

PCI Token Ring Adapter Quick Troubleshooting Guide
Follow the steps below in sequence to quickly isolate PCI Token Ring problems on your HP-UX 10.20 or HP-UX 11.0
or later system. If the display output indicates a problem, refer to the Release Notes.
Check the HP-UX 10.20 or 11.0 or later Directory Path
Prior to completing the steps below, check that the /usr/bin, /usr/sbin, and
sbin directories are in your PATH using the echo $PATH command.
Step 1: Network Level Loopback Test
❏ Check the IP network level connection with the remote host using the
ping(1M) command. Example: ping 192.6.20.2
Successful? If packets are being returned, your system has network
level connectivity to the remote host. Press Ctrl C to stop the ping
output.
Step 2: Connections/LED Test
❏ Check that the LAN cable is connected to the appropriate LAN
connector on the PCI card and to a Token Ring MAU or switch. The
LAN cable connects to either an RJ-45 or a 9-pin D shell connector on
the PCI card.
❏ If the PCI card is connected to the LAN by the RJ-45 connector, check
that the LEDs show normal operation (Amber=off, Green=on). If not,
use the table on page 4 to identify the cause of the difficulty.
NOTE: The NetTL message logged for cable disconnect is different for
16/4 Mb/s and 100 Mb/s operation:
In 4/16 Mb/s, the message logged is:
“Cable disconnected/faulty”
class ERROR #2009
In 100 Mb/s, the message logged is:
“Internal error after beacon auto removal
process”
class ERROR #2010
In either case, when the cable is re-connected, the following message
will be seen:
“Link back online”
class INFO #4001
Starting with B.11.00.06, the above messages have changed. The cable
disconnect message will be logged as an ERROR message to the nettl
subsystem, as follows:
The PCI Token Ring adapter driver detected a
faulty/disconnected cable at <hardware path>.
On a cable reconnect, an INFORMATIVE message will be logged to
the nettl subsystem, as follows:
The PCI Token Ring adapter driver detected that
the link has been established at <hardware
path>.
Step 3: Configuration Test
❏ Check that the Token Ring interface is configured by displaying
information about all cards that are successfully bound to the system
using the lanscan(1M)command:
Successful? Yes, if lanscan(1M) indicates the hardware is “up.”
❏ Check the log data (error and disaster messages) for Token Ring using
the netfmt command. Example:
Page #3
netfmt -v -f /var/adm/nettl.LOG00 | more
NOTE: Substitute the desired LOG number for “LOG00”.
Successful? Yes, if the problem stated in the log file is fixed.
❏ Display IP information about the interface you want to test using the
ifconfig(1M) command. Example: ifconfig lan1
Successful? Yes, if the output shows the correct Internet address and
the flag: UP.
Step 4: Network Level Loopback Test
❏ Check that a correct entry exists for the remote system in your system's
ARP cache using the arp(1M) command. Example:
arp 192.6.20.2
Successful? Yes, if there is an ARP cache entry for the remote host.
Step 5: Link Level Loopback Test
❏ Check the link layer connectivity using the linkloop(1M)
command with the PPA or NMID Number of your Token Ring card
and the station address of the remote host.
HP-UX 11.0 or later command syntax:
linkloop -i <PPA Number> <Station Address>
HP-UX 10.20 command syntax:
linkloop -i <NMID Number> <Station Address>
Note: <Station Address> is that of another card on the same subnet.
Use lanscan on the local system to obtain the PPA or NMID Number.
Successful? Yes, if an OK status is returned.
Step 6: Subnet Test
❏ Check the host name, subnet number, and subnet mask of the interface
using the ifconfig(1M) command. Example:
ifconfig lan1
Successful? Yes, if the host portion of the IP address and subnet
number part of the IP address are not all 0s or all 1s and the subnet
mask is what you expect. If not, use SAM to enter the mask or IP
address.
❏ Check that all the hosts on the network are using the same subnet mask
and that the mask has been set on all interfaces by executing the
ifconfig(1M) command on each node in the network. Example:
ifconfig lan1
Successful? Yes, if the subnet masks are all the same. If not, use SAM
to enter the mask or IP address. Refer to the Installing and
Administering LAN/9000 Software manual for additional information
about subnet masks.
Step 7: Transport Level Loopback Test (Using ARPA)
❏ Check the transport level connection with the remote host using the
telnet(1) command. Example: telnet
abcde
Successful? Yes, if you have transport level connectivity to the remote
host.
❏ Check the route tables on the source and destination nodes using the