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Cisco Bug: CSCus98582 - Cat4500: SPAN Checkpoint client support/ few sessions not working

Last Modified

Feb 12, 2018

Products (1)

  • Cisco Catalyst 4000 Series Switches

Known Affected Releases

15.4(3)

Description (partial)

Symptom:
SPAN session data is going to wrong session when copies are sent from Active to standby and vice a versa. This happens due the fact that SPAN software session-map is not synchronized well between Active and standby. It causes broken sessions to not mirror any traffic out. We can verify the same using CLI "show pl software monitor session-map" command.

Conditions:
It happens when SPAN software session-map is not synchronized well between Active and standby. The issue is currently fixed in 15.2(4)E2 but the fix is not present in 15.2(2)E5.
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