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Cisco Bug: CSCup34923 - N9k: OSPF Multi-area primary adjacency stuck in EXSTART after reboot

Last Modified

Nov 22, 2019

Products (7)

  • Cisco Nexus 9000 Series Switches
  • Cisco Nexus 9516 Switch
  • Cisco Nexus 9396PX Switch
  • Cisco Nexus 9504 Switch
  • Cisco Nexus 3164Q Switch
  • Cisco Nexus 9508 Switch
  • Cisco Nexus 93128TX Switch

Known Affected Releases

6.1(2)I2(2) 6.1(2)I2(2a)

Description (partial)

Symptom:
After a reboot or during initial configuration of OSPF multi-area, the primary adjacency will not establish.

Conditions:
show ip ospf nei
 OSPF Process ID 1 VRF default
 Total number of neighbors: 2
 (M) indicates multi-area adjacency interface
 Neighbor ID     Pri State            Up Time  Address         Interface
 10.224.223.141    1 EXSTART/ -       00:17:18 10.224.208.254  Po2 
 10.224.223.141    1 FULL/ -          00:17:18 10.224.208.254  Po2(M)
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Bug Details Include

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