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Cisco Bug: CSCvi06031 - vstack breaks config-replace / CWMP

Last Modified

Aug 09, 2019

Products (1)

  • Cisco IOS

Known Affected Releases

15.4(3)

Description (partial)

Symptom:
CWMP fails with upgrade due to <cmd>vstack</cmd> command.

Conditions:
As part of security hardening, newer Cisco IOS/IOS-XE versions display the state of Smart Install feature via either:

vstack (when enabled)
no vstack (when disabled)

In previous versions the state of Smart Install was only visible via the <cmd>show vstack config</cmd> command if enabled, and would show <cmd>no vstack</cmd> if the admin had disabled it in the running configuration.

This has caused an issue with CWMP where configuration rollback will be aborted with an error:
Rollback aborted after 5 passes
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Bug Details Include

  • Full Description (including symptoms, conditions and workarounds)
  • Status
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