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Cisco Bug: CSCvt41915 - kernel do not have route programming after ip remove add on unnumbered interface

Last Modified

May 04, 2020

Products (65)

  • Cisco Nexus 9000 Series Switches
  • Cisco Nexus 9516 Switch
  • Cisco Nexus 3548 Switch
  • Cisco Nexus 3636C-R Switch
  • Cisco Nexus 92348GC-X Switch
  • Cisco Nexus 3548-X Switch
  • Cisco Nexus 93600CD-GX Switch
  • Cisco Nexus 3064 Switch
  • Cisco Nexus 9396TX Switch
  • Cisco Nexus 9396PX Switch
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Known Affected Releases

9.3(3) 9.3(4) 9.3(4)IIL9(0.305) 9.3(4)IIL9(0.760) 9.3(4)IIL9(0.824)

Description (partial)

Symptom:
ISIS route is deleted from kernel when 'ip unnumbered' config is deleted and added back in quick succession (within say 30 seconds)

Conditions:
'ip unnumbered' config is deleted and added back in quick succession
on an interface which has ISIS routes
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Bug Details Include

  • Full Description (including symptoms, conditions and workarounds)
  • Status
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