Verifying a Unified ISSU
To verify the status of FPCs and their corresponding PICs after the most recent unified ISSU, issue the show chassis in-service-upgrade command on the master Routing Engine:
user@host> show chassis in-service-upgrade Item Status Reason
FPC 0 Online
FPC 1 Online
FPC 2 Online
PIC 0 Online
PIC 1 Online
FPC 3 Offline Offlined by CLI command
FPC 4 Online
PIC 1 Online
FPC 5 Online
PIC 0 Online
FPC 6 Online
PIC 3 Online
FPC 7 Online
For more information about the show chassis in-service-upgrade command, see the Junos System Basics and Services Command Reference.
