From: Ben (bmunyao@gmail.com)
Date: Tue Jun 26 2007 - 12:39:16 ART
Thank you Eric, Shiran
I did come across an example using a GRE tunnel with keepalive to track
end-to-end status of a PVC, later in the same lab.
Ben
On 6/25/07, Eric Poulin <epoulins@yahoo.com> wrote:
>
> I would definitely use option #2. It can be done with option #1, but keep
> in mind that
> the "backup" command tracks the line protocol. If you use "backup" under
> the FR main
> interface, it will only be down if you lose local LMI with the FR switch
> or if your
> physical interface is down. FR subinterface will be down if end-to-end
> status is deleted
> or inactive. In your task, you could still use "backup", but for
> end-to-end status, I
> would put it under a GRE tunnel (with keepalive) between R4 and R5.
>
> Eric
>
> --- Ben <bmunyao@gmail.com> wrote:
>
> > Hi group
> >
> > In the above task, routers R4 and R5 have a FR and a PPP link between
> them.
> > The task requirement is for the network to be configured so that the PPP
> > link is only used if the FR link is down.
> >
> > In my mind, this could be done in two ways:
> >
> > 1. int s0/0 (FR interface)
> > backup int s0/1
> >
> > 2. int s0/1 (PPP interface)
> > ip ospf cost 9999
> >
> >
> > Based on the the task requirement, how do you determine which of the
> above
> > ways is the most suitable?
> >
> > Thanks
> >
> > Ben
> >
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