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Cisco Bug: CSCuq93334 - [Performance impact] M2 reload stuck in power cycle for 17-18 minutes

Last Modified

Feb 11, 2018

Products (1)

  • Cisco Nexus 7000 Series Switches

Known Affected Releases

6.2(10)E1 7.2(0)ZD(0.106)

Description (partial) 

Symptom:
Module power cycle takes 17-18 mins to complete.

Conditions:
we observed this issue with the reload module scenario with more than about 100+ BFD session in the system.
as module goes off, PPF session can't reach the destination which cause ppf server do a retry internally and it takes approximately 10 sec for each session.  we got over 100 session (1000 sec =16 mins) that's the reason why power-cycle took 17~18 mins
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