Each ACI switch can show you version output via show version
LEAF-101# show version
Cisco Nexus Operating System (NX-OS) Software
TAC support: http://www.cisco.com/tac
Documents: http://www.cisco.com/en/US/products/ps9372/tsd_products_support_series_home.html
Copyright (c) 2002-2014, Cisco Systems, Inc. All rights reserved.
The copyrights to certain works contained in this software are
owned by other third parties and used and distributed under
license. Certain components of this software are licensed under
the GNU General Public License (GPL) version 2.0 or the GNU
Lesser General Public License (LGPL) Version 2.1. A copy of each
such license is available at
http://www.opensource.org/licenses/gpl-2.0.php and
http://www.opensource.org/licenses/lgpl-2.1.php
Software
BIOS: version 05.39
kickstart: version 14.2(4i) [build 14.2(4i)]
system: version 14.2(4i) [build 14.2(4i)]
PE: version 4.2(4i)
BIOS compile time: 08/30/2019
kickstart image file is: /bootflash/aci-n9000-dk9.14.2.4i.bin
kickstart compile time: 04/21/2020 09:45:55 [04/21/2020 09:45:55]
system image file is: /bootflash/auto-s
system compile time: 04/21/2020 09:45:55 [04/21/2020 09:45:55]
Hardware
cisco N9K-C9348GC-FXP ("supervisor")
Intel(R) Xeon(R) CPU D-1526 @ 1.80GHz with 24437760 kB of memory.
Processor Board ID XXXXXXXXXXX
Device name: LEAF-101
bootflash: 125029376 kB
Kernel uptime is 278 day(s), 16 hour(s), 17 minute(s), 37 second(s)
Last reset at 153000 usecs after Fri May 15 21:48:02 2020 EET
Reason: system-power-cycled-due-to-ssd-firmware-upgrade
System version: 14.2(4i)
Service: module reloaded
plugin
Core Plugin, Ethernet Plugin
show version command executed on the APIC will display software versions of the fabric elements:
APIC-1# show version
Role Pod Node Name Version
---------- ---------- ---------- ----------- --------------------
controller 1 1 APIC-1 4.2(4i)
controller 1 2 APIC-2 4.2(4i)
controller 1 3 APIC-3 4.2(4i)
leaf 1 101 LEAF-101 n9000-14.2(4i)
leaf 1 102 LEAF-102 n9000-14.2(4i)
leaf 1 103 LEAF-103 n9000-14.2(4i)
leaf 1 104 LEAF-104 n9000-14.2(4i)
leaf 1 105 LEAF-105 n9000-14.2(4i)
leaf 1 106 LEAF-106 n9000-14.2(4i)
spine 1 201 SPINE-201 n9000-14.2(4i)
spine 1 202 SPINE-202 n9000-14.2(4i)
To run command remotely on leaf/spine from APIC, type fabric NODE_ID <command>:
APIC-1# fabric 101 show version
APIC-1# fabric 104-106,202 show version
