Troubleshooting Unified ISSU Problems
If the unified ISSU procedure stops progressing:
Open a new session on the primary Routing Engine and issue the
request system software abort in-service-upgrade
command.Check the existing router session to verify that the upgrade has been terminated.
An “ISSU: terminated!” message is provided. Additional system messages provide you with information about where the upgrade stopped and recommendations for the next step to take.
See request chassis cluster in-service-upgrade abort (ISSU) for more information.