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Cisco Bug: CSCur34588 - 6500 FEX: Image deletion after a failed ISSU upgrade

Last Modified

May 17, 2016

Products (1)

  • Cisco Catalyst 6000 Series Switches

Known Affected Releases

15.1(2)SY3

Description (partial)

Symptom:
FEX image being deleted. This will cause the FEX to boot up in ROMmon if no other backup image is stored in flash.

Conditions:
After an issu runversion fex all, the FEX system crashes or loses SDP connection with the parent. This causes a reset of the FEX system. Once the FEX comes back up, we've lost the ISSU state for the FEX and it initiates a standard auto-image download. 

At this state, if you abort the ISSU using issu abortversion, the FEX is reset and it deletes the original image.
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