Cisco Bug: CSCun84535 - MPLS packets looping inside the NP during link flaps with ecmp path
Sep 22, 2018
- Cisco ASR 9000 Series Aggregation Services Routers
Known Affected Releases
Symptom:Fast increment of PARSE_REDIRECT_MPLS_LoopPASS_CNT NP counter. Example: RP/0/RSP0/CPU0:a9k#show controllers np counters all location 0/0/CPU0 | inc LoopPASS 673 PARSE_REDIRECT_MPLS_LoopPASS_CNT 2480792981007 3352505 Conditions:Observed on Ethernet Line Cards (aka Trident) of ASR 9000 series routers when an Equal Cost Multi-Path exists to a neighbor in MPLS network and one or more links on the path are flapping.
Bug details contain sensitive information and therefore require a Cisco.com account to be viewed.
Bug Details Include
- Full Description (including symptoms, conditions and workarounds)
- Known Fixed Releases
- Related Community Discussions
- Number of Related Support Cases