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Cisco Bug: CSCvh75668 - IPv6 explicit null label not imposed on 6PE traffic when it takes a certain IGP path

Last Modified

Oct 20, 2019

Products (1)

  • Cisco Network Convergence System 5500 Series

Known Affected Releases


Description (partial)

IPv6 explicit null label not imposed on 6PE traffic, this could lead to traffic blackhole downstream.

NCS5501-SE with 6PE, and multiple IGP paths. 6PE traffic flowing through one of the IGP paths may be impacted. No apparent trigger done in this case,
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