Cisco Headend System Release 2.7 ユーザーガイド
The sesstail Utility
4031374 Rev B
185
The sesstail Utility
The sesstail utility is similar to the qtail utility, except that it is designed to monitor
the logfiles of the dsm process for session-related information. Examples of session-
related information include session set up and tear-down activity.
the logfiles of the dsm process for session-related information. Examples of session-
related information include session set up and tear-down activity.
You can use the sesstail utility to monitor the logfiles of the dsm process for session-
related activity in real time or to search for session-related activity in existing dsm
logfiles.
related activity in real time or to search for session-related activity in existing dsm
logfiles.
Note: By searching for session-related activity in existing dsm logfiles, you can
troubleshoot VOD problems that have already occurred.
troubleshoot VOD problems that have already occurred.
Running the sesstail Utility
Follow these instructions to run the sesstail utility.
1 If necessary, open an xterm window on the DNCS.
2 Choose one of the following options:
1 If necessary, open an xterm window on the DNCS.
2 Choose one of the following options:
To monitor the dsm logfiles in real time for session-related activity, go to step
3.
3.
To review existing dsm logfiles for session-related activity, go to step 5.
3 To monitor the dsm logfiles for session-related activity in real time, type sesstail
and then press Enter. The sesstail utility begins monitoring the dsm logfiles for
session-related activity.
Example: Sample output from the sesstail utility is displayed in the following
example.
$ sesstail
++++ 00:40:7B:D6:B5:B3/515 ++++
ClientSessReq: Feb 19 07:23:50.008
ServerSessInd: Feb 19 07:23:50.016
ServerAddRsrReq: Feb 19 07:23:50.207
ServerAddRsrCnf: Feb 19 07:23:50.270 (response=0)
ServerSessRsp: Feb 19 07:23:50.335 (response=0)
ClientSessCnf: Feb 19 07:23:50.346 (response=0)
++++ 00:40:7B:D6:B5:B3/515 ++++
ClientRelReq: Feb 19 07:23:58.683
ServerRelInd: Feb 19 07:23:58.687
ServerRelRsp: Feb 19 07:23:58.709 (Response=0)
ClientRelCnf: Feb 19 07:23:58.713 (Response=0)
session-related activity.
Example: Sample output from the sesstail utility is displayed in the following
example.
$ sesstail
++++ 00:40:7B:D6:B5:B3/515 ++++
ClientSessReq: Feb 19 07:23:50.008
ServerSessInd: Feb 19 07:23:50.016
ServerAddRsrReq: Feb 19 07:23:50.207
ServerAddRsrCnf: Feb 19 07:23:50.270 (response=0)
ServerSessRsp: Feb 19 07:23:50.335 (response=0)
ClientSessCnf: Feb 19 07:23:50.346 (response=0)
++++ 00:40:7B:D6:B5:B3/515 ++++
ClientRelReq: Feb 19 07:23:58.683
ServerRelInd: Feb 19 07:23:58.687
ServerRelRsp: Feb 19 07:23:58.709 (Response=0)
ClientRelCnf: Feb 19 07:23:58.713 (Response=0)