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Cisco Bug: CSCur05567 - Config sync/switch-profile may get stuck with 'Peer not reachable'

Last Modified

Aug 20, 2020

Products (7)

  • Cisco Nexus 5000 Series Switches
  • Cisco Nexus 5548P Switch
  • Cisco Nexus 5596UP Switch
  • Cisco Nexus 5020 Switch
  • Cisco Nexus 5548UP Switch
  • Cisco Nexus 5596T Switch
  • Cisco Nexus 5010 Switch

Known Affected Releases

5.2(1)N1(7) 7.0(3)N1(0.99)

Description (partial)

Symptom:
On a nexus 5000 vPC pair,  switch-profile may get stuck in an out of sync state.

One or both of the nexus devices will show 'Status: Peer not reachable' when checking 'show switch-profile status'.
ICMP between the addresses works and 'show cfs peers' shows the peers as recognized.
Pinging the CFS multicast address also works.

Conditions:
The issue occurs when changing the IP addresses of the mgmt0 interface which is used as vPC peer-keepalive and sync-peers destination.
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Bug Details Include

  • Full Description (including symptoms, conditions and workarounds)
  • Status
  • Severity
  • Known Fixed Releases
  • Related Community Discussions
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