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Cisco BTS 10200 Softswitch Troubleshooting Guide, Release 5.0.x
OL-8723-19
Chapter 14 General Troubleshooting
Viewing Trace Logs for Throttled Flood of MGCP Messages from Specific Endpoint
Turn on trace in the BTS Call Agent (CA) for MLS, set MGCP on the CA to info5 level and examine
the BAU code from the MS:
TC_11.3.1_CA.log:. . MGA 00-00 . |<<<< RECV FROM: 10.1.31.2
FROM-PORT=2427 TO-PORT=2727 <<<<|
TC_11.3.1_CA.log-. . MGA 00-00 . |ntfy 717
annc/[email protected] MGCP 1.0 NCS 1.0^M|
TC_11.3.1_CA.log-. . MGA 00-00 . |X: 2B00000007^M|
TC_11.3.1_CA.log-. . MGA 00-00 . |O: A/of(rc=601)^M|
TC_11.3.1_CA.log-. . MGA 00-00 . ||snd_rcv.c:260
Error: NEED
Explanation: The mls-annc-mult-factor token value is lower than the number of announcements existing
on the MS.
Recommended Action: Provision the mls-annc-mult-factor token value greater than the number of
announcements on the MS.
Error: Return Code 601: File not found
Explanation: MSs are limited to 40 character filenames. These 40 characters include the extension
(typically a .wav) and the announcement-file-prefix: for example fra_, eng_ and spa_.
Recommended Action: Change the filename length to less than 40 characters.
Viewing Trace Logs for Throttled Flood of MGCP Messages from
Specific Endpoint
The BTS 10200 can detect an incoming flood of messages from an individual MGCP-based MGW or
termination. When such a flood occurs, the BTS 10200 automatically throttles messages coming from
that specific resource. If the flood condition stops, the system releases the throttle. The system also
deletes wild-carded messages (for example, RSIP <tid> *@mgw.net) received from any MGW. This
detection and throttling mechanism is not customer configurable.
The system displays one of the following traces in logs at the INFO3 level:
•
Message dumped for termIdx=<term id> due to high incoming message rate
•
Message dumped for mgIdx=<mg id> due to high incoming message rate
Note
Log info levels are listed in the
in
Appendix C, “Overload Control”
Platform Core File Alarm
The Cisco BTS 10200 Softswitch Core File Monitor feature provides Cisco BTS 10200 Softswitch
customers with an alarm notification whenever a core file is generated on a Cisco BTS 10200 Softswitch
platform system. The Cisco BTS 10200 Softswitch Core File Monitor feature also removes core files
automatically when disk space is critically low or when the core file has aged beyond a maximum
allowable time.
Core files are generated and stored in the bin directory for the binary executable which generated the
core. The normal procedure to be followed by the operator is to move the core files as they are generated
to another storage area. The monitoring of core files with alarm notification will remind the system
operator to perform this process.