neighbor eigrp

Unanswered Question
Mar 26th, 2010

In a lan with several routers with interfaces in the same networks, is it possible to make that only ones are neighbors an others not?

This is an example:

routerA

router eigrp 200

network 10.0.0.0

no auto-summary

Router B

router eigrp 200

network 10.0.0.0

no auto-summary

Router C

router eigrp 200

network 10.0.0.0

no auto-summary

I wanto to only RouterA and Router B are neighbors eigrp

Thanks

Marcelo

I have this problem too.
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MARCELO MATURO Fri, 03/26/2010 - 07:20

passive- interface is no an option y my real situation. Filtering maybe a solution.

There is the option to convert the peering to unicast ( neighbor x.x.x.x interface x), but i don´t know that if this command stop all the multicast or only the network involved.

Marcelo

Tharak Abraham Fri, 03/26/2010 - 07:19

Marcelo,

Eigrp message authentication might help ya !

(config)#key chain KEY
(config)#key 1
(config)#key-string crack

(config)#interface eth0
(config-subif)#ip authentication mode eigrp 10 md5
(config-subif)#ip authentication key-chain eigrp 10 KEY

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