From: Angelo De Guzman (ghie_pogi@yahoo.com)
Date: Fri Oct 25 2002 - 03:47:14 GMT-3
Hi Zak,
I think I got your point. So please correct me if I
got it right this time. If r2 and r3 are directly
connected then you don't have an split-horizon issue.
If you break the connection between R2 and R3 the
split-horizon becomes an issue. Is this correct?
Thanks,
Angelo
--- Jaroslaw Zak <jaroslawz@hotmail.com> wrote:
> Angelo,
> I think youre missing the point here. Split horizon
> rule says: "routing
> update received on interface will not be further
> sent via the same
> interface". Means if you break your LAN segment into
> 2 separate subnets A
> and B behind routers r2, r3 respectively, r2 will
> have to hear about subnet
> B from r1's multipoint subinterface.
>
> Thats where updates will be suppressed with split
> horizon enabled, couse r1
> would have to receive and send update about A via
> the same intf.
>
> HTH
> Jarek
>
>
>
>
> >From: Angelo De Guzman <ghie_pogi@yahoo.com>
> >Reply-To: Angelo De Guzman <ghie_pogi@yahoo.com>
> >To: aansar@sscomp.com.sg
> >CC: ccielab@groupstudy.com, nobody@groupstudy.com
> >Subject: Re: ip split-horizon eigrp
> >Date: Thu, 24 Oct 2002 00:15:26 -0700 (PDT)
> >
> >Hi,
> > If R2 and R3 are not directly connected via
> >ethernet.
> >How can split-horizon be an issue? Of course you
> will
> >have a different ethernet network on R2 and R3.
> >Ciao,
> >Angelo
> >
> >--- aansar@sscomp.com.sg wrote:
> > > here R2 and R3 also connected , so you dont have
> > > spilt horizon problem
> > > consider if R2 and R3 is not connected , then
> spilt
> > > horizon comes in to
> > > picture then u have to disable spilt horizon in
> the
> > > hub multi point
> > > interface
> > >
> > >
> > >
> > >
> > >
> > > Angelo De Guzman <ghie_pogi@yahoo.com>
> > > Sent by: nobody@groupstudy.com
> > > 10/24/2002 02:18 PM
> > > Please respond to Angelo De Guzman
> > >
> > >
> > > To: ccielab@groupstudy.com
> > > cc:
> > > Subject: ip split-horizon eigrp
> > >
> > >
> > > Hi,
> > > R2 -|
> > > / |
> > > R1 |172.168.38.0/24
> > > \ |
> > > R3 -|
> > >
> > > R1 subinter is point-to-multi
> > > R2 is physical
> > > R3 is physical
> > >
> > > I'm running EIGRP.
> > >
> > > Do I need to enable?
> > >
> > > ip split-horizon eigrp 10 on the spokes
> > >
> > > My objective is to see the ethernet network on
> R1
> > > via R2 and R3.
> > >
> > > Actually when I use no or with ip split-horizon
> > > eigrp
> > > 10 on the spokes. I see on R1 network
> 172.168.38.0
> > > reachable via R2 and R3. So what is correct?
> > >
> > > Thanks,
> > > Angelo
> > >
> > >
> > >
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>
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