mszeftawy Mon, 02/02/2009 - 03:28
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you should set the router that runs V2 to send and recive V1 Updates

using the below interface commands

ip rip receive version 1

ip rip send version 1

shailesh-mahajan Mon, 02/02/2009 - 03:53
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But what about ripv1 router?

Is it automatically takes the update or we have to set some commandes?

Mohamed Sobair Mon, 02/02/2009 - 04:00
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Yes they will communicate, but Only Rip version 1 is going to be sent and accepted by Ripv1 Router.

Enabling Version2 rip , would allow a router to send and recieve version 1/2 updates , while enabling Ripv1 only allows a router to send and recieve version1 updates.



kaustubhchavan Mon, 02/02/2009 - 04:37
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My question is one router configure with RIPv1 & 2nd router configure with RIPv2 with default can they able to communicate ? update sent & receive by both routers.

Giuseppe Larosa Mon, 02/02/2009 - 06:11
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Hello Kaustubh,

with default settings

RIPV2 router will understand the other router updates, but it will ignore them because it expects to receive RIPv2 messages as specified in version command.


The following example configures the interface to receive both RIP Version 1 and Version 2 packets:

ip rip receive version 1 2

RIPV1 only router cannot understand RIPv2 messages and will discard them.

So they shouldn't exchange routing information without additional commands.

Hope to help



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