Cisco Bug: CSCvv78040 - TCAM utilisation shoots up after Next-hop interface flaps : ITD service
Sep 22, 2020
- Cisco Nexus 7000 Series Switches
Known Affected Releases
Symptom: 1. TCAM utilisation shoots up to quite high values. 2. Syslogs of the type (as listed below) are seen: 2020 Sep 11 19:45:05 POCH_M3_SUP2E %RPM-2-PPF_SES_VERIFY: rpm  PPF session verify failed in client aclqos(Line card 7/VDC NONE/UUID 366) with an error 0x41040079(Insertion of TCAM entry failed due to Spanslogic TCAM constraints Issue is seen even with low scale of ITD/PBR policies/ACEs. Conditions: Issue was seen when ITD policies were applied on different port-channel interfaces whose members belonged to the same ASIC instance on the same M3 module. Trigger: Flapping of NH-interfaces one-by-one in a loop.
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Bug Details Include
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