Troubleshooting guide

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Cisco PGW 2200 Softswitch Release 9.8 Operations, Maintenance, and Troubleshooting Guide
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Chapter 6 Troubleshooting the Cisco PGW 2200 Softswitch Platform
Troubleshooting Using Cisco PGW 2200 Softswitch Alarms
If the configuration of the Cisco PGW 2200 Softswitch is incorrect, begin a dynamic reconfiguration
session, as described in the “Invoking Dynamic Reconfiguration” section on page 3-66.
If the configuration of the affected media gateway is incorrect, modify the provisioning data for your
system. See the documentation for the media gateway for more information.
If the configuration of both the Cisco PGW 2200 Softswitch and the affected media gateway are correct,
then proceed to Step 4.
Step 4 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.
NAS: ResourceFailure
This alarm occurs when the indicated media gateway does not acknowledge a continuity test (COT).
Corrective Action
To correct the problem, run a manual COT on the indicated media gateway, as described in the Running
a Manual Continuity Test, page 6-149.
OLC: Leg1chanSeizedUnpackError
This alarm occurs when the Cisco PGW 2200 Softswitch receives a Seized Channel (CRCX)
acknowledge message from the media gateway, which could not be unpacked.
Corrective Action
To correct the problem, perform the following steps:
Step 1 To collect system data, see the method that is described in the “Collecting System Data for Cisco TAC”
section on page 6-93.
Step 2 Perform a call trace, as described in the “Performing a Call Trace” section on page 6-156.
Step 3 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.
OLC: Leg1chanModifiedUnpackError
This alarm occurs when the Cisco PGW 2200 Softswitch receives a Modify Channel (MDCX)
acknowledge message from the media gateway, which could not be unpacked.
Corrective Action
To correct the problem, perform the following steps: