From: Jay Hennigan (jay@west.net)
Date: Tue Oct 08 2002 - 04:19:35 GMT-3
On Mon, 7 Oct 2002, George E Lampro Super Genius wrote:
> Guys,
> Thanks for the quick response on this.
>
>
> I think the resister is 0x2142 I can force the image to load by typing i to
> initialize
> but it doesn't default to the startup config.
0x2142 will load the full IOS but not the configuration, that's what you
use for password recovery.
> I'll try the 0x2101
This will cause it to boot only to the bootloader image in EPROM and not
to the full IOS in flash. It will try to load the configuration, but the
boot image may not understand all of it. This is the "limp home" mode
used if the IOS is missing or bad, to allow enough functionality to TFTP
a valid image. Dynamic routing, etc. is not functional here, but you
can get some limited static routing and pass traffic.
> anyone know how to do this while the router is running. It supports our
> internet connection for 700+ lawyers adn staff.
If the router is running and has the configuration (and passwords) you want,
from global configuration mode, type "config-register 0x2102", then exit
and "write mem".
router# conf t
router (config)# config-register 0x2102
router (config)# end
router# write mem
This should not affect the current operation, and the next time the router
reboots it should come up with the full IOS and its present configuration.
I would, to be on the safe side, reboot it and watch the console output
after doing this. Better it freak out when you're there to fix it than
at some later time.
0x2102 is what you want. Write your configuration to memory.
-- Jay Hennigan - CCIE #7880 - Network Administration - jay@west.net NetLojix Communications, Inc. - http://www.netlojix.com/ WestNet: Connecting you to the planet. 805 884-6323
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