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Cisco Bug: CSCum20318 - Legacy cards on non-DSC rack fail to boot aft. 511.17i to 433 downgrade

Last Modified

Jan 13, 2017

Products (1)

  • Cisco Carrier Routing System

Known Affected Releases


Description (partial)

Legacy cards (LC's, Alarm Modules , Fan Controllers) on non-DSC rack fail to boot after downgrade from to 4.3.3

1. Boot 4.3.3 in the router.
2. Upgrade to
3. Downgrade back to 4.3.3 using rollback option.
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Bug Details Include

  • Full Description (including symptoms, conditions and workarounds)
  • Status
  • Severity
  • Known Fixed Releases
  • Related Community Discussions
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