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Help with EIGRP Basics, etc.

Help with EIGRP Basics, etc.

(OP)
I am a beginner in Cisco routing. My first question is, what is the advantage in criss - crossing routers when, for example you are using EIGRP? (example, serial cable R0 of one router to R1 to another router, so on and so forth).

Next, what online sites, e-books and/or white papers explain EIGRP in a simplistic way. I notice that with this subject, whether in explanations of IGRP of EIGRP, that many times I am left scratching my head.

Thanks,

joe.

RE: Help with EIGRP Basics, etc.

Very basically with this example:
Router 1, 2 interfaces:
router eigrp 101
network 192.168.4.0
network 192.168.10.0

Router2, 2 interfaces:
router eigrp 101
network 192.168.4.0
network 192.168.11.0

If both routers have the "eigrp group 101" then they share the info with each other. Router 1&2 are both connected to the 192.168.4.0 network. Router 1 also has the 192.168.10.0 network and router2 has the 192.168.11 network. using the configuration above, router1 will share this info with router2 and vice versa to build their routing tables.
http://www.networkworld.com/community/node/29911

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