using eigrp with isdn

Unanswered Question
Mar 24th, 2007

Hi all, if I have a router with a serial and isdn for backup, how would I setup eigrp so it doesnt use the isdn, I know to use the passive interface command, but would i have to use a static route to it with a higher admin distance than eigrp case the main serial went down ?

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griffijo@elizab... Sun, 03/25/2007 - 10:06

Yes, if you chose to not use EIGRP on theat link then you would use a floating static route with an AD greater than the EIGRP route. Why don't you want to use EIGRP on the ISDN?

carl_townshend Sun, 03/25/2007 - 16:01

i dont want to use it because it will keep bringing up the isdn which is a pay per use service

griffijo@elizab... Sun, 03/25/2007 - 16:50

I do the same thing with floating static routes but I use wireless bridges as my backup instead of ISDN.

avillalva Sun, 03/25/2007 - 17:49

You can use an access list to ensure eigrp is not interesting traffic;

access-list 100 deny eigrp any any

access-list 100 permit ip any any

dialer-list 1 protocol ip list 100

HTH,

Andres

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