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VSP ISIS Adjacency State Changes While Link Remains Physically Up

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TitleVSP ISIS Adjacency State Changes While Link Remains Physically Up
Symptoms
Symptoms
  • NNI connectiion between VSP 8284XSQ occasionally bounce
  • All ports involved have remained physically up
  • CPU utilization at normal levels
  • No indications of congestion or packet drops at interface level
  • VSP log events
    1 2020-05-29T08:07:28.742-04:00 VSP8K-Core1 CP1 - 0x00004726 - 00000000 GlobalRouter SNMP INFO SPBM detected adj DOWN on Port1/1 , neighbor 0203.0102.84a2 (VSP8K-ore2)
    1 2020-05-29T08:07:31.343-04:00 VSP8K-Core2 CP1 - 0x00004726 - 00000000 GlobalRouter SNMP INFO SPBM detected adj DOWN on Port3/24, neighbor 0206.0103.84a0 (VSP8K-Core1)
Environment
  • VSP 8400
  • Software 8.1.2.0
Cause
  • Teleco has made repairs to the service and no iadj bouncing since
Resolution
Additional notes

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