Hello this post is about how to collect traces for CUCM, it is focused in 10.5 version. We can check the
signaling across the CUCM to check detailed logs from processed calls. These
traces must be turn on before, after we finish it is recommended to turn off
them.
Configure Traces
First, go to CUCM and log into
Unified CM Serviceability.
Then go to Trace ->
Configuration
Check Trace On and set the Debug
Trace Level to Detailed. Check the traces that you need and relevant to the
problem. The most important is probably Enable SIP Call Processing Trace.
Make a Test Call
With all your traces enabled, make
a call. Note the timestamps when you start and stop for that call so you can
find the problem quickly in the traces.
Collect the Traces
CUCM traces are collected with
the Real-Time Monitoring Tool(RTMT). You have to download this from Unified CM
Administration -> Application -> Plugins.
Click Find then scroll down to
the bottom and download Cisco Unified Real-Time Monitoring Tool – Windows
Install RTMT and launch it. Enter your CUCM IP Address. Click Accept if a certificate error appears. It will then prompt you to log-in.
In the next window check Cisco
CallManager under All Servers. Click Next.
You can just click Next on the
System Services/Applications window that appears without selecting anything.
On the next screen choose the
range when you made the test call. Start 10 minutes before and end 10 minutes
late to ensure everything is downloaded.
Choose the Download File
Directory (at this location your logs will be downloaded) and select Zip Files.
Click Finish, the logs will begin downloading. Depending on how many traces
were selected, the activity on the CUCM, and the time range. Wait until you see
completed.
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