RE: Frame Relay/ISDN Question [7:27386]

[Shah Nick]

Use Dialer watch, which basically monitors a dynamically learned route
(eigrp/igrp) and if for the route disappears it activates the backup link.
Since it is not reliant on an interface status (which could be reported as
up), it would work in your case.

The other option is to use dialer profile, which will free up the BRI to be
used by floating static.

As with all the questions, the answer would depend on ur network scenario,
but in most cases the first option is applicable.

hth

Nick


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RE: Frame Relay/ISDN Question [7:27386]

[Jim Brown]

Cisco created the frame relay end-to-end keep alive command to address just
the issue you describe. It actually sends a configurable keep alive between
the end points to verify connectivity.

Check out the Doc CD Wan Switching Guide. Look under frame relay and the
entire keepalive command set is there.
-Original Message-
From: Joshua Gottlieb [mailto:[EMAIL PROTECTED]] 
Sent: Monday, November 26, 2001 4:00 PM
To: [EMAIL PROTECTED]
Subject: Frame Relay/ISDN Question [7:27386]


Question,

I have a network that is connected via frame relay.  Each site also has BRI
Lines setup from ISDN Dial-Backup.  

The backup interface BRI1/0 command is on the PVC Sub-Interface on each
router.  

Occasionally, we will have a problem with our PVC and it will still show up,
but we won't be able to route traffic over it.  

I'm trying to figure out a config so that if the traffic times out on the
serial interface, it will DDR on the BRI line.  The problem is, that with
the Backup Interface command, the BRI line goes into Administratively down
mode, so I don't think a floating static route will work.

Any ideas?

Thanks,

Joshua




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RE: Frame Relay/ISDN Question [7:27386]

[Anthony Toh]

Joshua, I would like to take a look at your router config at both ends.




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