Prerequisites For Performing Issu - H3C S5500-HI Series Fundamentals Configuration Manual

Task
Download the new system software image to the Flash of
all the IRF member switches

Prerequisites for performing ISSU

Enabling version compatibility check
Configuring ISSU
Configure the ISSU version rollback timer
Displaying and maintaining ISSU
Prerequisites for performing ISSU
To do...
Save the current configuration
Display the running status of each
IRF member switch
Display the information about
system software
Display the roles of IRF member
switches
Display information about the files
in the Flash
Configuring compatible
ISSU
Configuring incompatible
ISSU
Use the command...
save
display device
display boot-loader
display irf
dir
132
Remarks
Required
Required
Required
Required
Use either approach
Optional
Optional
Remarks
Required
Before performing ISSU, make sure
that the current configuration of the
IRF fabric has been saved to the
configuration file.
Required
Before performing ISSU, make sure
that all the member switches of the
IRF fabric are in normal state.
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.
Required
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.