Cisco Bug: CSCum57322 - Various ints on 4k VSS modules, possibly x/y/38, learning wrong mac addr
Sep 01, 2020
- Cisco Catalyst 4000 Series Switches
Known Affected Releases
Symptom: Mac flaps seen between uplink port and line-card port(i.e., x/y/38 in this case) in VSS. Conditions: Two CAT4500 combined in VSS. VSL created on Line Cards instead of Supervisors. Port that reports the flap(ie., x/y/38 in this case) must be on the same module as the VSL links. Usually happens in a fully utilized setup (200 ports).
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