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request system software validate-restart (Junos OS Evolved)



Verify the new package against the current configuration to ensure that it supports unified in-service software upgrade (unified ISSU). The command output also indicates which applications can be upgraded by using an application-level restart or an in-service kernel warm restart. Use this command before you run request system software add restart to detect any compatibility issues before actually upgrading the software.


You can currently use this command only on QFX5220-32CD switches.



Path and filename of the software package to be installed.

Required Privilege Level


Sample Output

request system software validate-restart

Release Information

Command introduced in Junos OS Evolved Release 22.1R1.