Use CLI to verify your installed software. It is important to verify your software version before you place a device into a production environment.
enable
show software detail
The following is an example of the output of the show software detail command.
Switch:1>show software detail =================================================================================== software releases in /intflash/release/ =================================================================================== 5420.8.5.0.0.GA (Primary Release) (Signed Release) SSIO UBOOT 2.3.2.3 APP_FS 5420.8.5.0.0.GA AVAILABLE ENCRYPTION MODULES 3DES AES/DES 5420.8.4.0.0.GA (Backup Release) (Unsigned Release) SSIO UBOOT 2.3.2.1 APP_FS 5420.8.4.0.0.GA AVAILABLE ENCRYPTION MODULES 3DES AES/DES