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Community Member

How do you send a "Break" on puTTY to a cisco 2600 Terminal server

I have a cisco 2621XM Terminal server connected to A router.  The Terminal server has 32 ports and connected to 32 cisco deviceses. I was trying to login one of my Router which is cisco router 7609 that has a sup-720. The sup-720 failed and I was trying to upgrade the IOS on the sup-720. when I reload it and send a "BREAK" from the puTTY it didn't work.  Is there any way I can send a BREAK from the puTTY or push any key that works.

Thanks.

16 REPLIES
Hall of Fame Super Blue

How do you send a "Break" on puTTY to a cisco 2600 Terminal serv

Cisco Employee

How do you send a "Break" on puTTY to a cisco 2600 Terminal serv

Hi,

If the standard break sequences do not work, you can try the special commands: right click on the header of putty / Special Commands / Break.

Cheers,

Rose

Community Member

How do you send a "Break" on puTTY to a cisco 2600 Terminal serv

In PuTTY, you can use the key combination of CTRL+Break.

Don R. Crawley, Linux+, CCNA Security
Author and speaker for the IT industry
Author of The Accidental Administrator:  Cisco ASA Security Appliance Step-by-Step Configuration Guide
www.soundtraining.net/bookstore

Don R. Crawley, Linux+, CCNA Security Author and speaker for the IT industry Author of The Accidental Administrator: Cisco ASA Security Appliance Step-by-Step Configuration Guide http://www.soundtraining.net/bookstore
Community Member

What is the difference

What is the difference between sending a standard break sequence using Control+Break and a special break command using  PuTTY?

The reason for asking is that my colleague could not send a break using the Control+Break keyboard keys but was able to interrupt to booting of an ME3600-X switch using the special break command from the PuTTY menu, which I find rather weird.

Regards

Tom

Community Member

Re: How do you send a "Break" on puTTY to a cisco 2600 Terminal serv

YEAH!!!!  you  are the best,   nothing else worked Much Thanks

Community Member

How do you send a "Break" on puTTY to a cisco 2600 Terminal serv

use "CTRL + SHIFT + 6 + X"

as far as I know..

and also there is command to enable break on boot.

But, I forgot... try to read IOS command guide.

Community Member

How do you send a "Break" on puTTY to a cisco 2600 Terminal serv

Not to ressurect a dead thread, but you guys are referencing break sequences for a computer directly connected to a console. All attempts I've tried for these sequences when doing reverse telnet through a terminal server (in my case a 3725) are completely ignored. To my knowledge there's no way to correct this issue.

Hall of Fame Super Gold

Re: How do you send a "Break" on puTTY to a cisco 2600 Terminal

Keith Wood wrote:

Not to ressurect a dead thread, but you guys are referencing break sequences for a computer directly connected to a console. All attempts I've tried for these sequences when doing reverse telnet through a terminal server (in my case a 3725) are completely ignored. To my knowledge there's no way to correct this issue.

Yes it's possible. Configure telnet break-on-ip. Then send Interrupt Process signal with Putty Special Command menu.

http://www.cisco.com/en/US/docs/ios/termserv/configuration/guide/tsv_dialin_term_svcs_ps10591_TSD_Products_Configuration_Guide_Chapter.html

Community Member

How do you send a "Break" on puTTY to a cisco 2600 Terminal serv

You, sir, are my new best friend. I wish I could mark this question as answered.

Hall of Fame Super Gold

How do you send a "Break" on puTTY to a cisco 2600 Terminal serv

Thank you for the nice rating and good luck!

Community Member

How do you send a "Break" on puTTY to a cisco 2600 Terminal serv

Man!! you're the MAN

Also from me Paolo: Thank you!

Community Member

worked for me! thanks Paolo

worked for me! thanks Paolo!

this is the new link:

http://www.cisco.com/c/en/us/td/docs/ios/termserv/configuration/guide/15-mt/tsv-15-MT-book/tsv_dialin_term_svcs.html

 

don't forget to remove the "telnet break-on-ip" command when you're done.

Community Member

Re: How do you send a "Break" on puTTY to a cisco 2600 Terminal serv

that worked thanks

crtl+Shfit+6+x

Enter

 

How do you send a "Break" on puTTY to a cisco 2600 Terminal serv

Standard Break Key Sequence Combinations During Password Recovery

you can use the key combination of CTRL+Break.

or

right click on the header of putty / Special Commands / Break.

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