Urgent help 4948 IOS

Unanswered Question
Aug 12th, 2008

Guys i need urgent help i have couple of cisco 4948 but as soon as i turn them on it goes to rom monitor mode.....can you please help me how i am gonna put ios in it i tried on cisco web site but couldnt find it. thanks in advance

I have this problem too.
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bmcginn Tue, 08/12/2008 - 23:30

Hi there,

When you're in rommon mode, can you see if you have a IOS image stored on the device?

I think from memory to see what file systems you have you would use the command:

rommon> dev

it should list the bootflash: directory as that is what the 4948's use.

then issue the command

rommon>dir bootflash:

If there's a valid image in there, you can see what the boot variable is using by issuing the command


if the boot variable is not set you can set it by issuing the command.


or simply try to boot the image using

rommon>boot bootflash:xxxxxxxxx.bin

If there's no image in bootflash, you need to get one there..

This page should help you in this regard.


Good Luck!



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