Troubleshooting guide

6-171
Cisco PGW 2200 Softswitch Release 9.8 Operations, Maintenance, and Troubleshooting Guide
OL-0800-14
Chapter 6 Troubleshooting the Cisco PGW 2200 Softswitch Platform
Platform Troubleshooting
Step 4 See the Alarm Troubleshooting Procedures” section on page 6-4 for descriptions of the steps necessary
to resolve the critical alarm that caused the switchover attempt.
Step 5 Log in to the standby Cisco PGW 2200 Softswitch, start an MML session, and view the current alarms,
as described in the “Retrieving All Active Alarms” section on page 6-3.
Step 6 Resolve the listed alarms. See the Alarm Troubleshooting Procedures” section on page 6-4 for the steps
that are required to resolve the alarms.
If resolving the alarms does not stabilize the standby Cisco PGW 2200 Softswitch, proceed to Step 7.
Step 7 Transmit a ping from the active Cisco PGW 2200 Softswitch to the standby Cisco PGW 2200 Softswitch
by issuing the
ping
standby_addr
UNIX command at the active Cisco PGW 2200 Softswitch:
Where:
standby_addr—IP address of the standby Cisco PGW 2200 Softswitch.
If the ping fails, proceed to Step 8. Otherwise, proceed to Step 9.
Step 8 Verify the Ethernet interfaces between the active Cisco PGW 2200 Softswitch and the standby Cisco
PGW 2200 Softswitch. See the Sun Microsystems documentation that came with your system for more
information.
If an element of the Ethernet interfaces between the active Cisco PGW 2200 Softswitch and the standby
Cisco PGW 2200 Softswitch is faulty, replace it. Otherwise, proceed to Step 9. See the Sun
Microsystems documentation that came with your system for more information.
If replacing a faulty element resolves the problem, the procedure is complete. Otherwise, proceed to Step
9.
Step 9 Verify that the hostname for each Cisco PGW 2200 Softswitch is unique. To verify the hostnames, log
on as root to each Cisco PGW 2200 Softswitch and view the contents of the host file in the /etc directory.
If a Cisco PGW 2200 Softswitch does not have a unique hostname, enter
the
echo
host_name
> /etc/host UNIX command.
Where:
host_name—Unique name for the Cisco PGW 2200 Softswitch.