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Cisco Bug: CSCul47580 - MPLS - DS Map mismatch

Last Modified

Mar 05, 2020

Products (1)

  • Cisco ASR 9000 Series Aggregation Services Routers

Known Affected Releases

4.2.3.MPLS

Description (partial)

Symptom:
Ping with MPLS OAM comes back with a DS-MAP mismatch flag on load balancing paths.

Conditions:
Differences in the CEF hashing mechanism between the RP and the line cards in a load balancing scenario. This can be checked by using the following commands. 

show cef exact-route <Source IP> <Destination IP> loc <Location of RP>
show cef exact-route <Source IP> <Destination IP> loc <Location of line card>

This is occurring in load balancing scenario and only affecting ASR9k 1st gen linecards (Trident).
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Bug Details Include

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