Preview Tool

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

Last Modified

Nov 27, 2020

Products (2)

  • Cisco Catalyst 4000 Series Switches
  • Cisco Catalyst 4000 Series Switches

Known Affected Releases

15.2(4)E 15.2(5)E 15.2(7)E

Description (partial)

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.

GRE Tunnel and L2 Overlay tunnel are present and Standby SUP is inserted after Active is up.
Bug details contain sensitive information and therefore require a account to be viewed.

Bug Details Include

  • Full Description (including symptoms, conditions and workarounds)
  • Status
  • Severity
  • Known Fixed Releases
  • Related Community Discussions
  • Number of Related Support Cases
Bug information is viewable for customers and partners who have a service contract. Registered users can view up to 200 bugs per month without a service contract.