My understanding was that RIP went out on every
interface with IP enabled. The network designation
just specifies which routes the RIP process will
handle so to say. You would certianly be correct in
your thinking about the interfaces in the case of OSPF
but in the case of RIP I believe your friend is
correct.
Ben
--- James Haynes wrote:
> I'm currently having a "discussion" with a fellow
> employee who passed the
> CCIE Written about a year ago. Has no plans to take
> the lab, but that's
> neither here no there. He claims that when RIP is
> enabled on a router it
> floods it's updates out all interfaces on the router
> by default. I was of
> the impression that the updates are only broadcast
> out interfaces that have
> ip addresses in the same major network as the
> network command when
> configuring RIP.
>
> For example:
>
> A router with four interfaces (addresses made up)
>
> E0 130.10.12.1
> E1 130.10.13.1
> S0 130.10.20.1
> S1 170.23.15.1
> To0 no ip address, but up for bridging.
>
> If I configure RIP as:
>
> router rip
> network 130.10.0.0
>
> then E0,E1,and S0 will send Rip updates out those
> interfaces, but S1, and
> To0 interfaces will not. Is this correct? I've been
> looking through some of
> my books and on CCO and from what I gather RIP
> broadcasts a RIP Request
> Message on each RIP-enabled interface and receives a
> RIP Response message
> from a neighboring RIP router that includes that
> routers routing table. Are
> the RIP-enabled interfaces those interfaces in the
> same major network as the
> network command? Would a router running RIP on the
> far side of a connection
> on S1 send a request if it's network was specified
> in that routers RIP
> process causing the local router to send an update
> out the S1 interface? If
> anyone knows or can point me to the appropriate
> place for the information
> I'd appreciate it.
>
> --
> James Haynes
> Network Architect
> Cendant IT
> A+,MCSE,CCNA,CCDA,CCNP,CCDP
> FAQ, list archives, and subscription info:
> http://www.groupstudy.com/list/cisco.html
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