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Cisco Bug: CSCuj59439 - vPC hap reset after peer-keepalive link comes up

Last Modified

Feb 06, 2019

Products (7)

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

Known Affected Releases


Description (partial)

Device crashes with the following logs:

2013 Sep 26 13:11:23 vPC-Crash %$ VDC-1 %$ %SYSMGR-2-SERVICE_CRASHED: Service "vpc" (PID 3484) hasn't caught signal 11 (core will be saved).
2013 Sep 26 13:11:23 vPC-Crash %$ VDC-1 %$ %SYSMGR-2-HAP_FAILURE_SUP_RESET: System reset due to service "vpc" in vdc 1 has had a hap failure
Shutdown Ports..

Peer device that does not reload reports the following:

vPC-Peer# show system internal vpcm event-history errors
7) Event:E_DEBUG, length:51, at 796557 usecs after Thu Sep 26 13:11:10 2013
    [102] Both sides claim same LACP roleCannot recover

- Nexus 5500
- Both devices acting as vPC primary (i.e., dual-active scenario)
- Peer keep-alive is brought up

Related Community Discussions

CSCul27686 - Nexus 5548P Interfaces may go down after upgrade and cannot be recovered
Finally!!!!! I waisted almost 2 weeks dealing with that problem....
Latest activity: Jan 16, 2014
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