From: Richard Davidson (rich@myhomemail.net)
Date: Mon Jan 12 2004 - 22:58:02 GMT-3
The first paragraph is correct.
--- "Lord, Chris" <chris.lord@lorien.co.uk> wrote:
> Hi Group,
>
> I would appreciate if someone could confirm my
> understanding of ISIS network types. I think there
> are only two types of ISIS hello pkt: P2P and
> Broadcast. Also there are no tuning parameters like
> the OSPF network command. So... if you have three
> routers on an NBMA frame-relay network all within
> the same subnet, it is my belief that you need fully
> meshed PVCs in order for the adjacencies to work
> properly (assuming you are not allowed to subdivide
> the subnet and use P2P subinterfaces everywhere).
>
> I'm trying to do the IPExpert Lab 37 and they have a
> hub and spoke arangement where the hub has a
> multipoint frame-relay subinterface, the two spokes
> use the physical interface and are all running ISIS.
> I can't get this to work on my lab even though I've
> now copied the IPExpert solution acurately. As soon
> as I add an additional PVC between the two spokes to
> make the three routers fully meshed everything is ok
> which seems to confirm how I would expect ISIS to
> work.
>
> My question is - have IPExpert produced an
> unworkable scenario or is ISIS more versitile than I
> thought?
>
> Thx in advance,
>
> Chris.
>
>
>
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