rip for class A networks?

Hi all,

I have a question about configuring RIP for an internet routable network (not in 10/8, 172.16-31/16 or 192.168.x/24).

For example 1.1.1.0/27 and 2.2.2.0/30.
How do I configure this?

network 1.1.1.0
network 2.2.2.0

?

This is a class A network so 1.0.0.0 and 2.0.0.0 might be the correct answers.

Can someone help me out?

Thanks!

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Comments

Todd Burrell

You always enter RIP networks on a classful boundary (or RIP will convert it for you), so for your example you would just enter the following:

NETWORK 1.0.0.0
NETWORK 2.0.0.0

And remember that RIP does auto summary, so be careful with that for discontiguous(spelling?) networks.

thedude666

Todd Burrell wrote: »

You always enter RIP networks on a classful boundary (or RIP will convert it for you), so for your example you would just enter the following:

NETWORK 1.0.0.0
NETWORK 2.0.0.0

And remember that RIP does auto summary, so be careful with that for discontiguous(spelling?) networks.

That was quick

Good point about the auto summary. However in this case it would make any difference(correct me if I am wrong).

Todd Burrell

Auto summary would make no difference here (and it is on for RIPv2 if I remember). I just ran into some issues labbing when I had a 10. network in the middle and 172.16 networks on both ends of a couple of routers. But that's a subject for another day.

sizeon

You need to use RIP version 2 because those network are on different mask.

thedude666

sizeon wrote: »

You need to use RIP version 2 because those network are on different mask.

While they are indeed on a different mask, I think this would still work as expected with RIP v1.
RIPv1 is classful so the class is 1.0.0.0/8 and 2.0.0.0/8. So these routes would be announced. So purely theoretically this should work if I am correct.
However in real life this isn't a really clean setup

Again, please correct me if I'm wrong!