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Isdn Backup Connection

mikes8888
Level 1
Level 1

‎08-04-2010 12:58 PM - edited ‎03-04-2019 09:18 AM

I have a Cisco 886, IOS ver 12.4(22)

I need to configure this router, every time the ADSL connection goes down,
to automatically connect to the Internet (No Site-to-Site VPN connection) through the ISDN interface.
Is it possible?


Thank you in advance.

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tprendergast
Level 3
Level 3

‎08-04-2010 01:46 PM

Yes, this is possible.

There's a good article here discussing it:

http://www.netcraftsmen.net/resources/archived-articles/524-designing-default-and-dial-backup.html

You want to look for DDR (dial on-demand routing) or dial backup features of Cisco devices.

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