From: Joe Chang (changjoe@earthlink.net)
Date: Tue Oct 31 2006 - 21:48:56 ART
BTW, I think p2mp nonbroadcast is the method by which to weight the
individual links, by specifying the cost on the neighbor statements.
----- Original Message -----
From: "Adhu Ajit" <adhu_ajit@yahoo.com>
To: <alexeim@orcsoftware.com>; <ccielab@groupstudy.com>
Sent: Tuesday, October 31, 2006 7:41 PM
Subject: Re: "point to multipoint non-broadcast" mode
> Alexei, point to multipoint does not require neighbor statements. However,
"point to multipoint non-broadcast" (which is one of the 3 Cisco defines
modes) requires neighbor statements. But it does not form DR/BDR
relationships, like you have pointed out. That's the reason I'm totally
confused.
>
> (This mode and its details are qouted in the Cisco BSCI 2.0 course
material)
>
> Adhu.
>
>
> Alexei Monastyrnyi <alexeim@orcsoftware.com> wrote:
> In a nutshell, it gives you no DR-BDR relationships with unicast LSA
> flooding etc (since non-broadcast will require to have a neighbor on one
> side. Normal p2mp would utilize AllOSPFrouters multicast group for both
> hellos and LSA flooding. If I remember right...
>
> A.
>
> Adhu Ajit wrote:
> > Folks, I went through different books on this one but I still cant
understand on when I should use this mode over the other modes such as:
> >
> > NBMA (and or)
> > Point to Multipoint
> >
> > Can someone explain ?
> >
> > Thanks,
> > Sai.
> >
> >
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