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Cisco Bug: CSCvt37066 - Route leaking happened without shared service and left stale perversive static route

Last Modified

Oct 03, 2020

Products (1)

  • Cisco Application Policy Infrastructure Controller (APIC)

Known Affected Releases

3.2(4e)

Description (partial)

Symptom:
When moving an EPG from one VRF to a new VRF and the moved EPG is keeping its contract relations with other EPGs in the original VRF. Then, some bridge domain subnets in the original VRF table get leaked to the new VRF table due to the contract relations, even though the contract does not have the global scope and the bridge domain subnet is not configured as shared between VRF tables. 

The leaked static route is not deleted even if the contract relation is removed.

Conditions:
This is a timing issue and could happen with the following conditions:
- The EPG is a consumer or provider of a contract with other EPGs in a VRF table.
- Migrate the EPG to a new VRF table by changing its bridge domain RsCtx to the new VRF table.
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