From: Peter van Oene (pvo@usermail.com)
Date: Mon Jan 12 2004 - 23:14:28 GMT-3
At 08:58 PM 1/12/2004, Richard Davidson wrote:
>The first paragraph is correct.
well, not entirely. Cisco now offer a network type option in ISIS.
>--- "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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>=====
>Richard Davidson
>Yahoo IM: r1davidson
>e-mail rich@myhomemail.net
>
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