Cisco Bug: CSCuo09599 - Check MTS queue before initiating ISSU

Last Modified

Jul 26, 2016

Products (1)

Cisco MDS 9000 Series Multilayer Switches

Known Affected Releases

5.2(6b) 5.2(8b)

Description (partial)

Symptom:
ISSU fails while upgrading linecards resulting in supervisors and modules running mixed code levels

Install has failed. Return code 0x40930020 (Non-disruptive upgrade of a module failed)

Conditions:
MTS queue has stuck entries that prevent ISSU communication to the linecards

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