Troubleshooting guide

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Cisco PGW 2200 Softswitch Release 9.8 Operations, Maintenance, and Troubleshooting Guide
OL-0800-14
Chapter 6 Troubleshooting the Cisco PGW 2200 Softswitch Platform
Resolving Bearer Channel Connection Problems
Step 9 Verify that the configuration for RLM on the Cisco PGW 2200 Softswitch matches the configuration on
the media gateway. To display the configuration of the IP links on the Cisco PGW 2200 Softswitch, enter
the
prov-rtrv:iplnk:"all" MML command at the active Cisco PGW 2200 Softswitch.
The system returns a response like the following:
MGC-02 - Media Gateway Controller 2001-07-26 12:57:48
M RTRV
"session=active:iplnk"
/*
NAME SVC IF IPADDR PORT
PEERADDR PEERPORT PRI SIGSLOT SIGPORT NEXTHOP NETMASK
---- --- -- ------ ----
-------- -------- --- ------ ------- ------- -------
va-5300-202-1 va-5300-202 enif1 IP_Addr1 3001
172.24.200.19 3001 1 0 0 0.0.0.0 255.255.255.255
va-5300-202-2 va-5300-202 enif1 IP_Addr1 3001
172.24.200.19 3001 1 0 0 0.0.0.0 255.255.255.255
va-5300-203-1 va-5300-203 enif1 IP_Addr1 3001
172.24.200.20 3001 1 0 0 0.0.0.0 255.255.255.255
va-5300-203-2 va-5300-203 enif1 IP_Addr1 3001
172.24.200.20 3001 1 0 0 0.0.0.0 255.255.255.255
*/
Ensure that the IP addresses (IPADDR and PEERADDR) and the ports (PORT and PEERPORT) match
the values that the media gateway uses. If the values match, proceed to Step 10.
Otherwise, changes must be made on the media gateway, see the documentation for your media gateway
for more information. If you need to make changes to the Cisco PGW 2200 Softswitch, start a dynamic
reconfiguration session to make your changes, as described in the “Invoking Dynamic Reconfiguration”
section on page 3-66.
If the changes resolve the problem, the procedure is complete. Otherwise, proceed to Step 10.
Step 10 Contact the Cisco TAC to analyze the problem further and to determine a solution. For more information
about contacting the Cisco TAC, see the “Obtaining Documentation and Submitting a Service Request”
section on page xviii.
Calls Fail at the Cisco PGW 2200 Softswitch
If calls appear to be failing at the Cisco PGW 2200 Softswitch, and the calls are not appearing on the
associated media gateway, perform the following steps:
Step 1 If you have not already collected system data, refer to the method that is described in the “Collecting
System Data for Cisco TAC” section on page 6-93.
Step 2 Debug the interface on the media gateway that is associated with the Cisco PGW 2200 Softswitch. If
your system is configured for signaling, the interface is Q.931. If your system is configured for call
control, the interface is MGCP. See the documentation for the associated media gateway for more
information on debugging the interface.
If the calls in question do not appear on the media gateway, proceed to Step 3. Otherwise, resolve the
problems with the interface as described in the documentation for the associated media gateway.