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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)

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.

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

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