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Cisco Bug: CSCvv28615 - 15.2(7)E2: PnP process hangs after rollback triggered

Last Modified

Aug 08, 2020

Products (1)

  • Cisco Catalyst 2960 Series Switches

Known Affected Releases

15.2(7.0.98i)E2

Description (partial)

Symptom:
DNAC UI and onboarding-log displays the following error:
NCOB02074: Executing Workflow Timed Out, Please check the device connectivity with the Server.

Error in the onboarding log follows similar line:
2020-08-06 17:44:59,418 |   INFO | qtp1028780142-27132       |  | c.c.p.w.e.task.service.TaskService | Preparing DEVICE_INFO command for next request | pid=WS-C2960X-48TS-LL, hs=response, sn=<serial number>, deviceId=5f2c3ea229a23d0008c786fa

Show pnp diag on the switche shows similar lines:
[08/05/20 11:35:43.416 CEST 3DE 172] _pcrh.inf: attempting rollback
[08/05/20 11:35:43.416 CEST 3DF 172] arch name is null
[08/05/20 11:35:43.416 CEST 3E0 172] _pcrh.eRr:rollback failed

Show pnp history on the switch ends with multiple lines:
[08/05/20 11:35:43.416 CEST 120 172] 288: -3f- T:740235, Job 270:PnP Response Service, Elapsed:1 ms, Status: Failed, PnPRespCorr: CiscoPnP-1.0-R32.200127-I20-P172-T623955-18

Conditions:
The problem was observed on 2960 switches when onboarding template causes a temporal loss of connectivity between the switch and DNAC
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