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Cisco Bug: CSCul69832 - All FEX bounce after supervisor kernel panic

Last Modified

Feb 19, 2018

Products (5)

  • Cisco Nexus 7000 Series Switches
  • Cisco Nexus 7000 10-Slot Switch
  • Cisco Nexus 7000 4-Slot Switch
  • Cisco Nexus 7000 18-Slot Switch
  • Cisco Nexus 7000 9-Slot Switch

Known Affected Releases


Description (partial)

All fex modules temporarily go offline after a supervisor switchover

This has only been observed after a switchover  triggered by a kernel panic:

N7K# show system reset-reason module 6
----- reset reason for Supervisor-module 6 (from Supervisor in slot 6) ---
1) At 260141 usecs after Wed Nov 27 10:03:54 2013
    Reason: Kernel Panic
    Version: 6.1(4)

The following syslogs may also be seen:
%FEX-2-FEX_NOT_ONLINE_SUP_SWITCHOVER: FEX 102 did not come online after SUP Switchover.
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