Upgrading your Cisco ASR 920 router ensures that you benefit from the latest features, security enhancements, and performance improvements. This guide, based on Cisco’s official documentation, will walk you through the upgrade process step by step.
Prerequisites
Access to Cisco Software Downloads: You need the appropriate privileges to download software from the Cisco website.
Backup of Current Configuration: Always back up your router’s configuration to avoid any loss of data.
Console Access: Ensure you can access the router via console, SSH, or Telnet.
Transfer the Image File
Configure the MGMT interface
Router#conf t
Enter configuration commands, one per line. End with CNTL/Z.
Router(config)#int gi0
Router(config-if)#ip add 192.168.44.2 255.255.255.0
Router(config-if)#no shut
Router(config-if)#
Router(config-if)#endCopy from TFTP via the MGMT interface
Router#copy tftp://192.168.44.44/asr920igp-universalk9_npe.17.06.05.SPA.bin bootflash: vrf Mgmt-intf
Accessing tftp://192.168.44.44/asr920igp-universalk9_npe.17.06.05.SPA.bin...
Loading asr920igp-universalk9_npe.17.06.05.SPA.bin from 192.168.44.44 (via Giga bitEthernet0): !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!! !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!! !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!! !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!! !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!! !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!! !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!! !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!! !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!! !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!! !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!! !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!! !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!! !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!! !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!! !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!! !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!! !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!! !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
[OK - 512918157 bytes]
Upgrade the Rom Monitor
Router#dir bootflash:
Directory of bootflash:/
11 drwx 16384 Nov 18 2021 09:26:30 +08:00 lost+found
144865 drwx 4096 Nov 18 2021 09:26:33 +08:00 .prst_sync
152913 drwx 20480 Jun 10 2024 10:23:00 +08:00 tracelogs
12 -rw- 452027261 Nov 18 2021 09:44:02 +08:00 asr920igp-universalk9_npe.16.09.01a.SPA.bin
32193 drwx 4096 Jan 14 2019 11:41:43 +08:00 .installer
112673 drwx 4096 Nov 18 2021 09:56:12 +08:00 core
169009 drwx 4096 Nov 18 2021 09:56:13 +08:00 .rollback_timer
160961 drwx 4096 Nov 18 2021 10:05:30 +08:00 .dbpersist
128769 drwx 4096 Nov 18 2021 09:59:23 +08:00 onep
15 -rw- 454096464 Apr 14 2023 05:48:38 +08:00 asr920igp-universalk9_npe.16.09.03.SPA.bin
16 -rw- 564200 Jun 10 2024 09:57:40 +08:00 asr920igp_15_6_46r_s_rommon.pkg
20 -rw- 512918157 Jun 10 2024 10:22:24 +08:00 asr920igp-universalk9_npe.17.06.05.SPA.bin
3114463232 bytes total (1522294784 bytes free)
Router#
Router#upgrade rom-monitor filename bootflash:asr920igp_15_6_46r_s_rommon.pkg all
Upgrade rom-monitor on Route-Processor 0
Target copying rom-monitor image file
unlock rommon partition
Checking upgrade image...
1966080+0 records in
3840+0 records out
1966080 bytes (2.0 MB, 1.9 MiB) copied, 3.38249 s, 581 kB/s
Upgrade image MD5 signature is 3dfabaca4eeaa06cc616c43985fe46fc
Burning upgrade partition...
1966080+0 records in
1966080+0 records out
1966080 bytes (2.0 MB, 1.9 MiB) copied, 35.693 s, 55.1 kB/s
Checking upgrade partition...
1966080+0 records in
1966080+0 records out
1966080 bytes (2.0 MB, 1.9 MiB) copied, 17.7067 s, 111 kB/s
Upgrade flash partition MD5 signature is 3dfabaca4eeaa06cc616c43985fe46fc
ROMMON upgrade complete.
To make the new ROMMON permanent, you must restart the RP.
Router#reloadPlease be patient with router rebooting
Upgrade IOS Image
Router#conf t
Enter configuration commands, one per line. End with CNTL/Z.
Router(config)#boot system bootflash:/asr920igp-universalk9_npe.17.06.05.SPA.bin
Router(config)#end
Router#wr
Building configuration...
[OK]
Router#reload
Now warit about 30 minutes for the router to install the iamge and reboot.
Check the Rom Monitor and IOS-XE
Router#sh ver
Cisco IOS XE Software, Version 17.06.05
Cisco IOS Software [Bengaluru], ASR920 Software (PPC_LINUX_IOSD-UNIVERSALK9_NPE-M), Version 17.6.5, RELEASE SOFTWARE (fc2)
Technical Support: http://www.cisco.com/techsupport
Copyright (c) 1986-2023 by Cisco Systems, Inc.
Compiled Wed 25-Jan-23 13:56 by mcpre
Cisco IOS-XE software, Copyright (c) 2005-2023 by cisco Systems, Inc.
All rights reserved. Certain components of Cisco IOS-XE software are
licensed under the GNU General Public License ("GPL") Version 2.0. The
software code licensed under GPL Version 2.0 is free software that comes
with ABSOLUTELY NO WARRANTY. You can redistribute and/or modify such
GPL code under the terms of GPL Version 2.0. For more details, see the
documentation or "License Notice" file accompanying the IOS-XE software,
or the applicable URL provided on the flyer accompanying the IOS-XE
software.
ROM: 15.6(46r)S