It can be done, but your telnet program has to support the break
sequence. The telnet program that ships with win98 won't do it, but if
you use hyperterm as your telnet client, that does work, depending on
the OS. The version of hyperterm that ships with win98 supports the
break sequence, but the one that ships with Windows NT doesn't. Those
are the only ones I've messed with to see if the password recovery works
or not. Here's my setup:

Using hyperterm, I telnet into a 2509 router, that has an octal cable
plugging into several other routers' console ports. From there, if I or
one of my students want to do the password recovery procedure just for
practice, that's no problem. I console into the router from the 2509,
and I enable, type reload, and as the router reboots, I hit Ctrl-break.
No problem. Where you run into problems is if you actually need to do a
password recovery because you don't know the enable password. Either you
need to call someone on site and ask them to reboot the router, or there
are products by APC (and others I'm sure) that will let you remotely
power-cycle a router.

hth,
Hal Logan
Network Specialist / Adjunct Faculty
Computing and Engineering Technology
Manatee Community College


> -----Original Message-----
> From: Sean Wu [mailto:[EMAIL PROTECTED]]
> Sent: Wednesday, November 28, 2001 4:01 PM
> To: [EMAIL PROTECTED]
> Subject: Send BREAK to console thru term server [7:27572]
> 
> 
> How can we send a "BREAK" signal via telnet session?
> 
> I access some device via terminal server, the only thing I am 
> wondering is
> how to send a BREAK so that I can do password recovery.
> 
> thanks.




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