The network statement is used on the originating router.

For the classful routing protocols, the network statement should use the
classful address. In the case you mention, 10.0.0.0.
This means RIP, RIPv2, and IGRP.  EIGRP used to be that way. Not sure if
that changed in the 12.x IOS releases.

For incoming route notifications, routes are compared to what is already in
the routing table. If it's not there, then the incoming route is installed.
No need to have network statements to cover al possibilities.

Another way to put it is that the network statement has local significance
only.

HTH

Chuck

-----Original Message-----
From:   [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED]] On Behalf Of
Stuart Laubstein
Sent:   Wednesday, January 17, 2001 7:30 AM
To:     '[EMAIL PROTECTED]'
Subject:        RIP--Network command

I was just doing some RIP configs and realized that I knew how to use the
"network" command but was not really sure how it worked. For instance if
there are three routers a,b,c with major nets 10.1.10.x, 10.1.20.x and
10.1.30.x  Each router would need the network 10.1.0.0 correct? Now
supposing router c knew of another major net say the 172.68.x.x through rip
updates Do I need to have the network 172.68.0.0 command on router c or not?
Why? Any clarification on the command would be helpful

thanks

stu

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