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  1. Packet capture durations should be configured for the minimum amount of time necessary to capture the problem attempting to be reproduced.

  2. When capturing a Media and/or SIP signaling Signaling file, appropriate filters should be selected to minimize the volume of packets that must be captured. In particular, the following two filters should be utilized for Media and/or SIP signaling Signaling file:

    • TCP/UDP Port filters
      Up to four filters can be listed. Separate the filters by using a comma. 

    • Host IP address

      Up to two IP addresses can be configured. If possible, the host IP addresses should be used against termination points that are only terminating a single call. 

       

      Info

      For each IP address entered (Host 1 or Host 2) a new option will become available to select capture direction.

      Caption
      0Figure
      1Other Options Menu

Maximum Duration

Warning

The Packet Capture feature is intended for short duration packet captures. For that reason, a maximum duration of 120 minutes (2 hours) is permitted.

Other Recommendations

Wireshark

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