From: maureen schaar (maureen.schaar@gmail.com)
Date: Tue Mar 27 2007 - 15:40:07 ART
Hmm, didn't think it through. It will not work (not without some nasty
configuration where you play with the subnets masks to let the routers
on either side of the link think they are in the same subnet, not
something you want to do in a production environment).
Good job!
On 3/27/07, shiran guez <shiranp3@gmail.com> wrote:
> if the neighbor is not in the same continues network you cant do that!!!!
>
>
>
> On 3/27/07, maureen schaar <maureen.schaar@gmail.com> wrote:
> >
> > With ibgp there is no need for multihop. You can already peer with
> > ibgp on for example the loopbacks without any special config (besides
> > setting the update-source). Just needs an underlying igp route!
> >
> > For the other protocols, if not using a tunnel, you would have to find
> > a way to establish an adjacency without broadcasting/multicasting. So
> > that would mean:
> >
> > RIP: passive-interface default + neighbor x.x.x.x
> > OSPF: ip ospf network-type nonbroadcast + neighbor x.x.x.x
> > EIGRP: neighbor x.x.x.x <outgoing intf>
> >
> > Maureen
> >
> > On 3/27/07, nem chua < nemthuduc@gmail.com> wrote:
> > > Hi all, I have a unique scenario where we need to establish a dynamic
> > > routing protocol over layer 3 firewalls. With EBGP we can do multihop
> to
> > > skip the firewall, but with other protocols such os ospf, eigrp, rip, is
> > > there any option to establish a neighbor without using GRE to tunnel
> over
> > > the firewall? Assume in all cases the firewall cannot participate in
> any
> > > routing protocol.
> > >
> > > Is there a way to do multihop with ibgp? Is there a hop count limit to
> > > multihop?
> > >
> > > THanks much.
> > >
> > >
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>
>
>
> --
> Shiran Guez
> MCSE CCNP NCE1
> http://cciep3.blogspot.com
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