From: Gustavo Novais (gustavo.novais@novabase.pt)
Date: Wed Dec 21 2005 - 15:16:42 GMT-3
Hello
The issue is that they are not allowing me to change anything at
interface level on the spokes. So, to change from NBMA to p2MP(-NB) I
would need to do that. (I will not try P2MP-NB, because you need to
specify neighbors, which I can't)
If you are suggesting to put P2MP on Hub and let spokes on NBMA, I am in
process of trying it.
For what I can see the adjacency is established, but there is no route
exchange.
I'm still at a dead end :(
Thank you for replying
Gustavo Novais
-----Original Message-----
From: joshua lauer [mailto:jslauer@hotmail.com]
Sent: quarta-feira, 21 de Dezembro de 2005 18:04
To: Gustavo Novais; Cisco certification
Subject: Re: Doubt on OSPF hub and spoke IEWB 17 4.1
Have you tried point-to-multipoint non-broadcast? See if you establish
adjacency after that...I think the key here is that you are using
physical
interfaces and you cannot adjust anything on the spokes. PTMP-NB should
do
the trick unless there's something I'm missing here.
JL
----- Original Message -----
From: "Gustavo Novais" <gustavo.novais@novabase.pt>
To: "Cisco certification " <ccielab@groupstudy.com>
Sent: Wednesday, December 21, 2005 12:52 PM
Subject: Doubt on OSPF hub and spoke IEWB 17 4.1
> Hello
>
>
>
> I'm wondering if and how this exercise is doable.
>
> I'd like to have your opinion.
>
>
>
>
>
> Hub and spoke network. Hub (R5) has a multipoint Serial subinterface.
> Both spokes use their main interface.
>
>
>
> We cannot use any neighbour commands nor any interface level commands
on
> R1 and R2 (spokes).
>
>
>
> We are to configure OSPF on this frame-relay network.
>
>
>
> If we were to configure Non-broadcast network, we would need at least
to
> configure neighbour on hub, and ip ospf priority 0 on the spoke
> interfaces----> failing restrictions.
>
>
>
> If we were to configure any point-to-point or point-to-multipoint
> command that would make us configure network type on the ospf
interface,
> we would fail the restriction.
>
>
>
> If we were to configure broadcast network on hub and change timers on
> hub in order to match the spoke timers... It would not establish
> adjacency, besides the fact that we would have to use neighbour
> commands...
>
>
>
>
>
> Unless I use tunnelling or ppp over FR I really do not see how to
> accomplish this.
>
>
>
> Are there any suggestions?
>
>
>
> Thank you
>
> Gustavo Novais
>
>
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