X-Modem Procedures
At the router.
When router boots into ROMMON perform the following:
rommon1> confreg 0x3922
Turn router off.
On the PC connected to the console port of the router: Set Hyperterminal
connection speed to 115200. Goto call and disconnect. Goto call and connect.
Turn router on. The router will boot to the rommon prompt. A the rommon
prompt type the following:
rommon> xmodem -c <filename>
The following messages will be displayed:
Do not start upload program yet.
WARNING: This operation will erase bootflash. If the xmodem download to
bootflash fails, you will lose any good image you may already have in
bootflash.
Invoke this application only for disaster recovery.
Do you wish to continue? [yes/no]:
Type yes and press [enter]
On the router it will display the following:
Ready to receive file pro.
On the PC connected to console port on the router.
Goto transfer and send file.
Select xmodem protocol. Click browse and find the IOS image file. Highlight
the file and click open. Click send. File starts to copy to flash on the
router.
At the router the following messages should be displayed.
Erasing flash at 0x3000000
Program flash location 0x3000000
Transfer complete
Once download is complete, router will automatically reload with new image.
At the user prompt enter exec mode.
Router> enable
At the exec prompt enter global config mode.
Router# config terminal
At the config prompt type the following:
Router(config)# line console 0
At the console config prompt type the following:
Router(config-line)# speed 9600
At this point you will lose connection to the router. Reset the
hyperterminal speed setting to 9600. Goto Call and disconnect. Goto Call and
connect. Your console connection will be reestablished.
At the console config prompt type the following:
Router(config-line)# end
Go back into global config mode and reset the config register to 0x2102.
Router(config)# config-register 0x2102
Router(config)# end
Next, you will need to verify that the IOS image has been copied to flash by
doing a show version before you reload the router.
Router# show version
Router# reload
This completes the xmodem procedure for IOS download.
----- Original Message -----
From: "Michael Fountain" <[EMAIL PROTECTED]>
To: <[EMAIL PROTECTED]>; <[EMAIL PROTECTED]>
Sent: Wednesday, August 02, 2000 6:00 AM
Subject: Re: Stuck in ROMMON mode
> If you are going to have someone console in locally, do this -
>
> In rommon mode, type confreg, it will ask you if you want to change the
> register, tell it yes. It will give you a bunch of options. Tell it yes
> for change the console port speed. Set it for 115200.
> That will disconnect you from the router. Set the hyperterm (or
whatevery
> you are using) for a port speed of 115200 and try again. You should be
able
> to get back in.
> Try to do XModem then. It will be much faster (15/20min instead of
2hrs).
> Once you do that and reload the router you'll have to telnet into it to
> change the register back to 0x2102 and do a 'no line speed 115200' on the
> console line.
> That should get you up and running without doing a 2hr Xmodem.
>
> Hope that helps,
> Mike
>
>
>
>
> >
> >First time posting, so bare with me. Need help with this, I was doing
IOS
> >upgrade to a 3640 remote router. The router was downloading from TFTP
> >server when it crashed. I am able to do a reverse telnet to if from a
7206
> >aux port. I can't copy the 3640 IOS software to the 7206 flash, 7206
keeps
> >disconnecting. I can go from a AS5200 aux to the 3640 console, but it
> >won't reverse telnet for some reason.
> >
> >While I'm in reverse telnet to the 3640, I can change the confreg, but
then
> >it just keeps reloading. Any ideas?
> >My last option is to have a local person go this morning, download tftp
> >software and the IOS and try to boot tftp.
> >
> >We tried to do a remote Xmodem, but it timed out. We will be trying
Xmodem
> >locally today.
> >
> >Rodney Love
> >Info Avenue Internet Service
> >803.802.6508
> >[EMAIL PROTECTED]
>
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