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Cisco Bug: CSCvu14691 - MPLS Static LSP with POP over BVI fails for Payload with LABELS

Last Modified

Oct 02, 2020

Products (1)

  • Cisco Network Convergence System 5500 Series

Known Affected Releases

7.1.2.MPLS

Description (partial)

Symptom:
MPLS Static LSP with POP over BVI fails for Payload with LABELS

Conditions:
MPLS POP over MPLS Static LSP with BVI as Egress interface corrupts the outgoing MPLS Payload . Gets dropped on Peer Node
In swap case the MPLS Packet was also getting dropped on Ingress as RxTrapMplsUnknownLabel

Scenario
Packet with MPLS Payload(multiple LABEL) ==>  BVI-1000 (MPLS Static LSP with POP)

Packet that needs to go out - will still have LABEL , as only top label is poped 

NO Trigger : This flow doesn't work.
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