Cisco Bug: CSCum89797 - Upgrade fail when moving from 10-2-x to 10-1-x and back to same 10-2-x
Feb 27, 2018
Known Affected Releases
Symptom: Upgrade failure with this upgrade path: 10-2-1-xx ===> 10-2-1-yy 10-2-1-yy ===> downgrade back to 10-0 or 10-1 at this point the administrator changes mind and wants to go back to 10-2-1-yy It turns out the firmware of 10-2-1-yy is not compatible with the upgrade code from 10-1 and 10-0 and the upgrade back to 10-2-1-yy will fail. Conditions: Only applies to the 2nd 10-2-1 style firmware loaded on a device, which has downgraded to 10-0 or 10-1, and then wants to revert back to the 10-2-1 2nd load directly.
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Bug Details Include
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