From: Jian Gu (guxiaojian@gmail.com)
Date: Fri Sep 23 2005 - 12:23:45 GMT-3
GRE tunnel will always work but you will need to advertise extra network
which might not be allowed in the real lab.
On 9/23/05, Imal kalutotage <imal.kalutotage@gmail.com> wrote:
>
> Hi Group,
> I also have a similar question..
>
> If we have a senario like this
>
> -----------FR ---R3--eth----Cat3550----eth-----R1--------
> Area 0 area 1 area2
>
> R3 is the ABR which connects to the area 0 & area 1.
> R1 is the ABR which connects to the area 1 & area 2
>
> Cat 3350 both svi interfaces are in area 1.
>
> So we need to create a virtual link or tunnel to connect the area 2 to the
> backbone area.
>
> In this case whcih method is prefered? Tunnel or the Virtual-link
>
>
> Cheers,
> Imal
>
>
> On 9/23/05, Jian Gu <guxiaojian@gmail.com> wrote:
> >
> > Meant to say that two ABRs have to have direct L2 connection, otherwise
> > OSPF
> > packets would have been comsumed by transit routers.
> >
> > On 9/23/05, Jian Gu <guxiaojian@gmail.com > wrote:
> > >
> > > Hi, all,
> > >
> > > Quick question, an OSPF virtual link has to be established between two
> > > ABRs, do the two ABRs have to have a direct L2 connection? (direct L2
> > > connection meaning on one Ethernet segement, physical serial link or
> > have a
> > > frame-relay P2P broadcast PVC). I would say no, because all
> > > multicast OSPF packets would be consumed by transit routers. Better
> > > explanation anyone?
> >
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