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How configure a PPP and 2 BRI backup line from a 2621 to a 2503

I have a scenario of setting up a network for customer.

On the customer end, we have a 2621 connected to a 2503 (we name this as PRI router) on our side with a 1Mb leased line. On event in case the leased line is down, we have 2 128k ISDN line as a backup. Now the problem is, how do I configure in a way that from 2621 (with a 4 port BRI module) connected 2 ISDN line to PRI router and to the another same model router. Both 2503 router is connected to a 1500 series switch.

What can I do to make both 2503 router connected to 2621 router to run both at the same time, when is backup is activatied.

Thnks,

Regards,

jeffery miow

1 REPLY
Silver

Re: How configure a PPP and 2 BRI backup line from a 2621 to a 2

Go through the following link to make sure you haven’t missed something.

http://www.cisco.com/warp/public/125/fr_isdn_backup.html

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