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routing with rip and igrp

carl_townshend
Spotlight
Spotlight

Hi all if I have 4 routers all on 172.16.1.0, 172.16.2.0, 172.16.3.0, 172.16.4.0, If I use rip on each one, will it advertise 172.16.0.0 as its classful, and would this cause probs with routing ?

4 Replies 4

royalblues
Level 10
Level 10

Carl,

it will be classfull if you use version 1

For classless behavior use RIP version 2

Narayan

bjw
Level 4
Level 4

By default, RIP and EIGRP will Auto-summarize to classful boundaries. And without further configuration, or a sample physical drawing, could cause problems as each of these networks falls into 172.16.0.0 255.255.0.0 Class-B summary.

So would each router just advertise the 172.16.0.0 network rather than the class c address thats set up ? I gather this would cause the traffic to go via 1 router, the nthe other router etc ?

can anyone tell me if this would work with rip, and would each router advertise the 172.16.0.0 network, and so it would not really work unless we use a classless protocol ?

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