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Cisco Bug: CSCum43584 - 6500 Ingress VLAN SPAN stops working

Last Modified

Apr 17, 2019

Products (1)

  • Cisco Catalyst 6000 Series Switches

Known Affected Releases

12.2(33)SXJ6.1

Description (partial)

Symptom:
Ingress VLAN SPAN stops replicating traffic to destination after making changes to the monitoring session

Conditions:
This has consistently been reproduced by the following sequence of events:

1) A change in the L2 forwarding state for a VLAN (link flap or STP topology change)
2) The affected VLAN is added and removed from an existing monitoring session

As a result, the existing monitoring session stops replicating ingress traffic.
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