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Cisco Bug: CSCvh65270 - ECMP for EVPN VPWS (possibly L3VPN as well) on ASR9K is broken in 6.3.1

Last Modified

Aug 19, 2019

Products (1)

  • Cisco ASR 9000 Series Aggregation Services Routers

Known Affected Releases

6.3.1.BASE

Description (partial)

Symptom:
ECMP based on the label stack is broken in AR9K. Control plane (based on show mpls for exact-route) shows ECMP happens correctly but data forwarding always happens to the first available link.

Conditions:
Core network with equal cost multipath links for their MPLS based services.
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