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New Member

Upgradation of flash

Hi,

While upgrading Flash on router it goes into rommon mode. How can I back into router mode?

I use command confreg 0x2101 and reset but int again goes into rommon mode.

Please help.

10 REPLIES
Cisco Employee

Re: Upgradation of flash

Set the configuration register to 0x2102. Set the boot path from the rommon using " BOOT:=bootflash: and manually boot the router. Once it is up save the running config.

let us know how did it go.

http://www.cisco.com/en/US/products/hw/routers/ps274/products_tech_note09186a008009429f.shtml

New Member

Re: Upgradation of flash

Hi,

It saying that Input redirection is not supported at this level.

New Member

Re: Upgradation of flash

Hai,

Are you sure that ios is transferd sucfly to Flash ..?? if so ...

...when are you getting this error ???

rommman>confreg 0x2102

romman> reset

ujil

New Member

Re: Upgradation of flash

Hi Ujil,

When I set the configuration register to 0x2102. And then set the boot path from the rommon using " BOOT:=bootflash:,

it gives that error.

And how I know that ios is transferd sucfly to Flash?

When I put command dev it shows flash but I put command dir flash it shows error that bad device name.

New Member

Re: Upgradation of flash

hai,

I suspect ios is not properly tranfrd ,,,,can u try uploading the ios once again ...via console and see the status ....

Guys correct me if i am wrong

ujil

New Member

Re: Upgradation of flash

rommon mode is a bit more sensitive than the IOS prompt. try using "dir FLASH:" (without quotes). Redirect implies you actually use "" when using boot. Is this assumption correct?

New Member

Re: Upgradation of flash

Hi,

When I put the command dir flash, it shows error that bad device name.

I think router's flash is corrupted.

Pleae educate me on this issue.

New Member

Re: Upgradation of flash

Hai,

Try to transfer the ios via console cable.(Which series router u are using) ...

in rommoniter mode you can use the command xmodem

rommen>xmodem

http://www.cisco.com/en/US/products/hw/routers/ps259/products_tech_note09186a008015bfac.shtml

ujil

New Member

Re: Upgradation of flash

Hi,

Thanks. It's done by downloading a software image via TFTP using the tftpdnld ROMMON ommand.

New Member

Re: Upgradation of flash

hai,

thanks for the update .....

ujil

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