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Cisco Bug: CSCvu21963 - Blackholing of mpls traffic in case of heterogeneous ecmp

Last Modified

Sep 02, 2020

Products (1)

  • Cisco Network Convergence System 5500 Series

Known Affected Releases

7.1.1.BASE 7.2.1.BASE

Description (partial)

Blackholing of traffic across an LSP.

The problem may occur if heterogeneous ecmp is present and LFA is configured. The blackholing may occur even after the heterogeneous ecmp is changed to homogeneous ecmp. This may be observed after several days of operation.
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