Be sure to turn off ip split horizon (or apple, or ipx eigrp) on the
multipoint interface. Also remember, over frame, if you are no using a sub
interface on a physical interface, split horizon is off by default, always
enable it on any "spoke" routers.
Additionally be aware of the issues that each routing protocol has with a
multipoint interface (i.e. - setting the ospf network type on the spokes and
hub).
Louie
Since time immemorial and pre-industrial, 'greed' has been the accusation
hurled at the rich by the concrete-bound illiterates who were unable to
conceive of the source of wealth or of the motivation of those who produce
it.
-- Ayn Rand
-----Original Message-----
From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED]]On Behalf Of
Austin
Sent: Sunday, October 29, 2000 9:01 AM
To: [EMAIL PROTECTED]
Subject: Re: Sub Interfaces (hmmm?)
I am configuring 2 sub-interfaces on the router. One subinterface for the
connection to router1 and 1 subinterface for the connection to router2 and
router3. I will not be configuring subinterfaces on router1, router2 and
router3.
Hope this gives you some more information and it is a Frame Relay
environment yes. You guys rock!
<[EMAIL PROTECTED]> wrote in message [EMAIL PROTECTED]">news:[EMAIL PROTECTED]...
> In a message dated 10/29/00 12:51:45 AM Eastern Daylight Time,
> [EMAIL PROTECTED] writes:
>
>
> > On Sat, 28 Oct 2000, Austin wrote:
> >
> > > Hi Group (Brian, Tim Brad, et al.)
> > >
> > > Thank you all for your help. I have one more question though :)
> > > Can you configure one subinterface to communicate with 2 different
> > routers?
> >
> > can you be more specific? I am going to make the assumption you are
> > talking about Frame Relay, in which case yes you can configure a sub
> > interface as "point to multipoint" and it can communicate with many
> > routers within that same subnet.
> >
> > brian
> >
>
> Hey, you know what. I was going to try to answer this question but wasn't
too
> sure and didn't want to steer him in the wrong way. What you said is what
I
> thought but something is bothering me.
>
> Point-to-multipoint. Lets say you have the head, and it's connected to 5
> remote ends. On the head you would use basically 5 subinterfaces. Each for
a
> different remote end. This is easy to me and normal. His question makes me
> think though because he is asking if, instead of having one sub-int for
each
> remote end, to have 4 interfaces and lets say one of those sub-int's for 2
of
> the remote ends. I haven't ever seen this done and I'm wondering if it
would
> work??? Hmmm, interesting thought. Anybody up for it?
>
> Mark Zabludovsky ~ CCNA, CCDA, 1/4-NP
> <A HREF="mailto: [EMAIL PROTECTED]">[EMAIL PROTECTED]</A>
>
> "If you need luck, apparently you're not prepared...Go study!"
>
> ~Mark Zabludovsky~
>
> _________________________________
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