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New Member

Static Routes Configuration

Hi any one please help the following;

I have a Cisco 1721 with an ethernet port and ISDN port for backup.

The ethernet port is connected to the cable modem of the ISP broadband link.

Can I use the ISDN to backup that Ethernet Port ?

If yes, how I configure the static routing for the primary link and ISDN routing (DDR needed) ?

Anyone please help out.

Thank you.

2 REPLIES
New Member

Re: Static Routes Configuration

Configuring ISDN Backup for WAN links using Floating Static Routes

http://www.cisco.com/en/US/tech/tk713/tk237/technologies_configuration_example09186a00800a3b77.shtml

DDR Evaluating Backup Interfaces, Floating Static Routes, and Dialer Watch for DDR Backup

http://www.cisco.com/en/US/tech/tk801/tk133/technologies_tech_note09186a008009457d.shtml

New Member

Re: Static Routes Configuration

I have succesfully used the dialerwatch mechanism for this. However, it took several IOS upgrades before it would work correctly.

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