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Cisco Bug: CSCuq78908 - GRE: Sync the internal vlan id of GRE tunnels to standby

Last Modified

Aug 24, 2017

Products (1)

  • Cisco Catalyst 4000 Series Switches

Known Affected Releases

15.2(5)E

Description (partial)

Symptom:
If GRE Tunnel or L2 Overlay tunnels are present on switch and standby sup is inserted later, internal vlan associated with these interface might not be synced correctly on standby and affected port will not come up switchover.

Conditions:
GRE Tunnel and L2 Overlay tunnel are present and Standby SUP is inserted after Active is up.
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