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Cisco Bug: CSCuq20273 - New router mac of external router not learnt on both leafs of vpc pair

Last Modified

Nov 10, 2014

Products (1)

  • Cisco Nexus 9000 Series Switches

Known Affected Releases

11.0(0.836)

Description (partial)

Symptom:
External router is connected to border leafs of ACI fabric over L3/SVI interface. Border leafs forward the traffic going outside of fabric to this external router.  If router mac is changed on external router for this L3/SVI interface, then traffic going out is disrupted on external  router until new router mac gets updated on border leafs. Traffic disruption could be up to 15 minutes.

Conditions:
This happens when router mac is changed on external router connecting to border leafs of the fabric.
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