Whether logging a support call or planning an upgrade, knowing your current running software version is crucial. Here’s two ways to quickly get the EOS version running on your Arista switch router.

Option 1

Use the show version command.

([email protected]) Password:
Last login: Thu Feb 24 15:33:07 2022 from 192.168.1.253
SW01(s1)>en
SW01(s1)#show version | grep Software
Software image version: 4.18.5M
SW01(s1)#

Option 2

Use the base Linux OS

([email protected]) Password:
Last login: Thu Feb 24 15:33:07 2022 from 192.168.1.253
SW01(s1)>en
SW01(s1)#bash

Arista Networks EOS shell

[[email protected] ~]$ cat /etc/system-release
Arista Networks EOS 4.18.5M
SW01(s1)#