Command reference to validate system readiness

Updated: August 1, 2026

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Lists the commands used to validate system readiness prior to image installation or activation, including verification of platform, topology, release version, boot mode, file systems, image integrity, redundancy, ISSU state, and module health.

This topic lists the commands to validate system readiness prior to image installation or activation, including verification of platform, topology, release version, boot mode, file systems, image integrity, redundancy, ISSU state, and module health.

Table 1. List of commands to validate system readiness
Verify	Command
Current release	show version \| include IOS XE
Boot mode	show version \| include INSTALL
Boot variable	show boot system or show boot
File systems/free space	show file systems
Image presence	dir flash: or dir bootflash:
Image integrity	verify /md5 flash:<file_name>.binverify /md5 flash:file_name.bin
Redundancy state	show redundancy
Stack setup	show switch
ISSU state	show issu state detail
Install state	show install summary
Module health	show module
Package pointer	more flash:packages.conf \| include pkg

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