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Cisco Bug: CSCvs16408 - NCS540 EVPN IPv6 Traffic Failure - IDB not enabled for BVI

Last Modified

Sep 02, 2020

Products (1)

  • Cisco ASR 9000 Series Aggregation Services Routers

Known Affected Releases

6.6.2.FWDG

Description (partial)

Symptom:
IPV6 Traffic Failure on BVI interfaces

Conditions:
Have BVI interface with IPv6 configs and flap these interfaces in configThis code sits there from Day one on ND for the clients. ND updates the client to add their entries to ND once Interface comesup. But it has be to done post DAD timer expiry so that IDB will be enabled.
Currently its done during DAD start. Not sure how this is currently happening in BVI - EVPN clients now. Could be that BVI/Bundle client entries are added now by EVPN/L2VPN.
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