132
Task Remarks
Download the new system software image to the Flash of
all the IRF member switches
Required
Prerequisites for performing ISSU
Required
Enabling version compatibility check
Required
Required
Use either approach
Configure the ISSU version rollback timer
Optional
Displaying and maintaining ISSU
Optional
Prerequisites for performing ISSU
To do…
Use the command…
Remarks
Save the current configuration
save
Required
Before performing ISSU, make sure
that the current configuration of the
IRF fabric has been saved to the
configuration file.
Display the running status of each
IRF member switch
display device
Required
Before performing ISSU, make sure
that all the member switches of the
IRF fabric are in normal state.
Display the information about
system software
display boot-loader
Required
Before performing an ISSU
upgrade, make sure that the system
software image of all the IRF
member switches is identical,
which means the version, name,
and directory of the system
software image are the same.
Display the roles of IRF member
switches
display irf
Required
Display information about the files
in the Flash
dir
Required
Before performing an ISSU
upgrade, make sure that the new
and current system software
images exist in the Flash of each
IRF member switch, and they are
saved in the same directory.