Re: OSPF Question for connecting to Area 0

From: John Jones (acer0001@gmail.com)
Date: Mon May 12 2008 - 01:39:24 ART


I have used cascades VLs several time on lab scenarios. I was unsure it
worked until I tried it. I was pretty tripped when it did.

John

On Sun, May 11, 2008 at 1:40 AM, Dan C <cdan2154@gmail.com> wrote:

> Hi Dave,
>
> You can always cascade the virtual links by doing so, every time you use a
> VL you are extending the Area 0 by one hop ( router ) if you use any
> authentication you must add Area 0 to the hop router, keeping in mind that
> you can not create a Virtual link over stub areas.
>
> Cheers,
> Dan
>
>
>
> On Sun, May 11, 2008 at 1:10 AM, dave dave <funccie@gmail.com> wrote:
>
> > I am not on my laptop, so can someone lab it or if any one tested it
> first
> > can please confirm that VL will work as mentioned in reply.
> >
> > Regards,
> > Dave
> >
> > Regards
> > Dave
> >
> >
> > On 5/10/08, Jason Madsen <madsen.jason@gmail.com> wrote:
> > >
> > > Dave,
> > >
> > > seems as though you could use virtual links between R4&R5, R3&R4,
> R2&R3,
> > > and R1&R2...I agree, doesn't look as though you'd need one between
> R6&R7
> > > since R6 is already touching area 0.
> > >
> > > as far as the virtual links go, I've never seen multiple virtual links
> > back
> > > to back. it's just a suggestion to try. the univercd doesn't make
> > mention
> > > of using virtual links in tandem like this. i guess if that doesn't
> > work,
> > > you might have to go the gre route, although i suspect using these
> > virtual
> > > links in tandem will work snice since each virtual link becomes an
> > extension
> > > of area 0.
> > >
> > > good luck. let know how it turns out...this is pretty neat.
> > >
> > > Jason
> > >
> > >
> > > On Sat, May 10, 2008 at 2:43 AM, Shine <shinepjoseph@iprimus.com.au>
> > > wrote:
> > >
> > >> I think the answer is Virtual link between R1&R2, R2&R3, R3&R4, R4&R5
> > and
> > >> R6&R7.
> > >>
> > >> Regards,
> > >> Shine
> > >>
> > >>
> > >> -----Original Message-----
> > >> From: nobody@groupstudy.com [mailto:nobody@groupstudy.com] On Behalf
> Of
> > >> dave
> > >> dave
> > >> Sent: Saturday, 10 May 2008 4:42 PM
> > >> To: Cisco certification
> > >> Subject: OSPF Question for connecting to Area 0
> > >>
> > >> Hi Expert,
> > >>
> > >> I dont have any area as a stub area then how will i connect the all
> > area
> > >> to area0 & how will able to see the lookback addres in area100 on
> router
> > >> R7.
> > >> Can it possible with out using GRE tunnel?
> > >>
> > >>
> > >> * loopback in area 100<==* R1 <--Area10---> R2 <--Area20 --->R3
> > >> <---Area30---->R4<---Area40---->R5<-- *Area0 *--->R6
> <---Area50---->R7
> > >>
> > >> Regards,
> > >> Mukesh
> > >>
> > >>
> > >>
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