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Cisco Bug: CSCvh90838 - NCS6K B2B: Massive NHID modify update may cause not in sync state NHID CEF PD vs CEF PI

Last Modified

Oct 20, 2019

Products (3)

  • Cisco Network Convergence System 6000 Series Routers
  • Cisco NCS 6008 - 8-Slot Chassis
  • Cisco IOS XR Software

Known Affected Releases


Description (partial)

IGP event causing NHID delete event may affect hardware programming for another interface.
Issue seems to be specific to B2B/MC NCS6K setups.

Traffic for affected interface dropped by TLU entry has invalid TLU_ID
LDP for affected interface goes down and did not recovers.

NCS6K B2B deployed and 'placement reoptimize' issued while having large amount of IGP adj
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