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Cisco Bug: CSCur97227 - MDS 9250i and 9148S may silently reload with no reason in log

Last Modified

Apr 10, 2018

Products (1)

  • Cisco MDS 9000 Series Multilayer Switches

Known Affected Releases

6.2(11) 6.2(13)S26 6.2(13)S6 6.2(9a) 7.3(0)HM(0.14)

Description (partial)

Symptom:A Cisco MDS 9250i or 9248S switch reloads without any external trigger.  show system reset-reason indicates "Reason: Unknown".

Conditions:There are two issues, one is quite rare and occurs on both the Cisco MDS 9148S and 9250i switches. The second issue, which is relatively more common, occurs on the Cisco MDS 9250i switch with DOM-enabled transceivers installed on one or both of the IPStorage ports.
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