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Cisco Bug: CSCsz85788 - Module crash (HB failure) during ISSU in 9222i when slot2 is Hitful upgr

Last Modified

Feb 03, 2017

Products (1)

  • Cisco MDS 9000 Series Multilayer Switches

Known Affected Releases


Description (partial)


ISSU on 9222i and if Installer deems that slot-2 needs to go through hitful upgrade, module manager may hit a heart-beat failure and crash.


This is a race-condition when slot-2 needs to go through hitful upgrade and slot-1 needs to go through hitless upgrade.
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