Cisco 2921 ROM MONITOR upgrade

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Cisco 2921 ROM MONITOR upgrade

Paolo Caparrelli Cisco Networking 22 June 2022

System Bootstrap Upgrade procedure

First download from Cisco.com a correct ROM MONITOR from (IOS ROMMON Software) section.

NOTA: Non è necessario entrare nel ROMMON. Si fa da IOS.
Then access to the router and execute upgrade rom-monitor command.
The system will reboot after upgrading the ROM.

Router# upgrade rom-monitor file flash:C1900_2900_RM2.srec.SPA.150-1r.M16
oppure upgrade rom-monitor file tftp://185.54.81.3/C1900_2900_RM2.srec.SPA.150-1r.M16
This command will reload the router. Continue? [yes/no]:y
Erasing boot flash eeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeee
Programming boot flash pppp
Now Reloading
System Bootstrap, Version 12.2(4r)XT4, RELEASE SOFTWARE (fc1)
TAC Support:http://www.cisco.com/tac
Copyright (c) 2001 by cisco Systems, Inc.
Running new upgrade for first time

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