I've done this before. I have the Cisco Troubleshooting book that details
the process. My question refers to the BREAK SEQUENCE in a Windows NT
environment (HyperTerminal). NOT the procedure and related consequences.
I just don't have a non-Windows terminal handy. I'm just going to DL a
simply terminal program of the Net.
NT is a pain in the @$$. :)
-----Original Message-----
From: [EMAIL PROTECTED]
[mailto:[EMAIL PROTECTED]]On Behalf Of
[EMAIL PROTECTED]
Sent: Tuesday, August 08, 2000 12:28 PM
To: [EMAIL PROTECTED]
Subject: RE: Cisco product break-in
----- Forwarded by William Stackpole/Santa Cruz/Western/Predictive on
08/08/00 09:26 AM -----
William Stackpole
08/08/00 09:21 AM
To: Peter Kelly <[EMAIL PROTECTED]>
cc:
Subject: RE: Cisco product break-inLink
To recover from a lost "enable password" use the BREAK function on the
console to interrupt the boot. Change the boot register to force the system
to boot from ROM. Reload the system. Go into enable mode, open a log file
on your terminal program and do a "show config." Review the log file, if
the password starts with a 7, run it through a cracker and recover it!
Change the register back to boot from flash and reload.
Otherwise, you can change the enable password and write it to memory (which
wipes out all but the most basic IP stuff). Change the boot register to
boot from flash. Reload. In the captured copy of your config make the
corrections necessary (i.e., put the new enable password in, fix the
delimiters around your banners, add the no shutdown to your interfaces,
etc.). Reload the orginal configuration to the router.
This should work fine for the 25xx series, at least to the best of my
recollection 8-]
-- Bill Stackpole, CISSP
Peter Kelly <[EMAIL PROTECTED]>
Sent by: [EMAIL PROTECTED]
08/08/00 05:59 AM
To: "'J Weismann'" <[EMAIL PROTECTED]>,
[EMAIL PROTECTED], [EMAIL PROTECTED]
cc:
Subject: RE: Cisco product break-in
That will blow-away the current config as well, so you will
need to start again with the config.
> -----Original Message-----
> From: J Weismann [mailto:[EMAIL PROTECTED]]
> Sent: Tuesday, August 08, 2000 8:32 AM
> To: [EMAIL PROTECTED]; [EMAIL PROTECTED]
> Subject: Re: Cisco product break-in
>
>
> now in my CCNA classes we had to do this..i think when you
> managed to halt
> the processes using (help me out here ctrl+break+d???!?!) you
> could type in
> "0X220" or something of that nature.
>
> That will allow you to get into the router and configure it
> like you want
> to. If anyone knows the exact command help me out here.
>
>
> >From: "Mail @ faithinchaos.com" <[EMAIL PROTECTED]>
> >To: <[EMAIL PROTECTED]>
> >Subject: Cisco product break-in
> >Date: Tue, 8 Aug 2000 08:05:14 -0400
> >
> >Hey,
> >
> >I'm trying to break into a misconfigured Cisco 2500 router.
> I have console
> >access, but the enable password was lost by someone prior to
> my arrival, so
> >breaking in is my only option at this point. Now, I've done
> this before
> >and
> >have instructions for the different requirements for different Cisco
> >product
> >break-ins. My question is this:
> >
> >WTF is the break sequence in HyperTerminal (Windoze terminal
> program)???
> >CTRL-BREAK doesn't seem to work. Or perhaps I am keying the
> sequence at
> >the
> >wrong time during the hard-boot process?
> >
> >I also have a Cisco datasheet on different break sequences
> for different
> >applications, and none pertaining to Windoze seem to work.
> >
> >Its been over a year since I have had to perform this type
> of procedure, so
> >I am forgetting something I am sure. Can anyone out there offer some
> >insight?
> >
> >TIA - big time.
> >
> >-
> >[To unsubscribe, send mail to [EMAIL PROTECTED] with
> >"unsubscribe firewalls" in the body of the message.]
>
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