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Cisco Bug: CSCul91353 - VxLAN learnt unicast packets dropped after remote VTEP nhop change

Last Modified

Aug 05, 2016

Products (1)

  • Cisco Nexus 9000 Series Switches

Known Affected Releases

6.1(2)I1(1.66)

Description (partial)

Symptom:
On a VTEP, if IGP reachability changes to the remote VTEP, then unicast traffic transiting out of this VTEP gets blackholed.

Conditions:
IGP reachability can change due to the following reasons:
- the best cost link goes down
- IGP link metrics are changed
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