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Cisco Bug: CSCur69044 - Veth stuck 'init"- after N5500 goes disruptive ISSU (Adapter-FEX) set up

Last Modified

Nov 27, 2020

Products (6)

  • CiscoPro Workgroup EtherSwitch Software
  • Cisco Nexus 5548P Switch
  • Cisco Nexus 5596UP Switch
  • Cisco Nexus 5020 Switch
  • Cisco Nexus 5548UP Switch
  • Cisco Nexus 5010 Switch

Known Affected Releases


Description (partial)

show interface virtual status shows Veth stuck in "init" status

Interface VIF-index   Bound If      Chan  Vlan  Status     Mode     Vntag
Veth32769 None        Eth1/11         10     0  Init       Unknown  0    
Veth32770 None        Eth1/11         11     0  Init       Unknown  0    
Veth32771 None        Eth1/11         12     0  Init       Unknown  0

- Two N5500 are in vPC set up, with each 5K connected to UCS via Adapter FEX
- Adapter FEX (UCS-VIC P81E)
- N5500 are running 5.1(x) and when only one of the vPC peer goes through (non-disruptive ISSU or reload) upgrade to 5.2(x).
- Upgraded switch shows Vethernet interfaces stuck in "init" state
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