148If you enter a relative path in the formatfile-name, the system automatically converts it to an absolutepath in the format [drive:/]file-name. The absolute path can contain no more than 63 characters.slot slot-number: Specifies the ID of an IRF member switch.force: Forces the IRF member switch to upgrade its incompatible system software image.• If the system software image specified by upgrading-filename is incompatible with the systemsoftware image, you must provide this key word to perform the ISSU upgrade.• If the system software image specified by upgrading-filename is compatible with the systemsoftware image, you do not need to provide this keyword to perform the ISSU upgrade.Usage guidelinesWhen this command is executed, the specified subordinate switch reboots with the new system softwareimage.Before executing the issu load command, verify the following conditions:• The master and subordinate switch must run the same system software image (same version, name,and directory).• The new system software image has been saved in the Flash of each IRF member switch.• All IRF member switches run the same system software image.Examples# Upgrade the subordinate switch with ID 2 by using upgrade file new.bin. system-view[Sysname] issu load file new.bin slot 2This command will begin ISSU, and the specified board will reboot and be upgraded. Please save the current running configuration first; otherwise, the configuration maybe lost.Continue? [Y/N]: yissu rollbackUse issu rollback to cancel the ISSU upgrade and the configuration will automatically roll back to theprevious version.Syntaxissu rollback slot slot-numberViewsSystem viewDefault command level2: System levelParametersslot slot-number: Specifies the ID of an upgraded member switch. The value must be the same as thatspecified in the issu load command.Usage guidelinesIf the IRF member switch is rebooting, you cannot perform the manual rollback operation.After you execute the issu commit command for a member switch, the member switch reboots with thenew system software image. During the reboot, you cannot perform any manual rollback operation.
