How to upload ios image via xmodem to a router using console cable

[Ido_r6]

Hi everyone

I have a cisco 2921 router that is stuck in rommon mode because it has no version.

How i can upload an ios image to this router via xmodem using a console cable.

[luis_cordova]

Hi @Ido_r6,

Maybe this link can help you:

https://www.cisco.com/c/en/us/support/docs/routers/2600-series-multiservice-platforms/15085-xmodem-generic.html#download_2620

Regards

[Ido_r6]

This document is for 2600 series there is any diffrence?

And also, my router doesnt know the command xmodem or copy xmodem

[Martin L]

transfer xmodem using a console cable is slow; don't those routers have CF Flash card? UISB port? I copy image from PC to CF flash using all-in-one- adapter for mine 2801 routers,

[Ido_r6]

Console cable is my only option

[Leo Laohoo]

Transferring the IOS using xmodem is "old school". This is particularly the case when the router in question is an ISR G1/G2 (and newer).
This is because the router has USB ports which can boot the IOS from a supported USB flash drive.
The router has two CF slots which are removable and IOS can be transfered to the CF cards using a cheap multi-card reader.