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Cisco Bug: CSCsg40339 - MPLS pings and traceroute to tunnel tail fail at penultimate hop

Last Modified

Jan 29, 2017

Products (1)

  • Cisco 12000 Series Routers

Known Affected Releases

12.0(32)S3

Description (partial)

Symptom:
MPLS OAM pings and trace from tunnel head to tail fail. 

Conditions:
MPLS pings and traceroutes are sent from tunnel headend to tail. They were seen failing at penultimate hop when the router had E4+ ingress linecard and E5 egress linecard. When E4+ is used both as ingress and egress linecard, issue is not seen.
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