From: tom cheung (tkc9789@xxxxxxxxxxx)
Date: Mon Feb 04 2002 - 12:38:52 GMT-3
Steve,
Assuming this is a frame setup. You'll also need to map clns to the dlci.
Regards,
Tom
>From: "Steven Weber" <itweber@earthlink.net>
>Reply-To: "Steven Weber" <itweber@earthlink.net>
>To: "tom cheung" <tkc9789@hotmail.com>
>CC: <ccielab@groupstudy.com>
>Subject: Re: IS-IS over MBNA.....
>Date: Mon, 4 Feb 2002 10:32:51 -0500
>
>That completely makes sense and I completely agree with it. However, I
>cannot get multipoint to multipoint or physical to physical working. I
>tried
>mapping CLNS dlci's, I tried using dynamic maps, but nothing works. I can
>only find joy with point-to-point to a point-to-point.
>Where am I messing up.
>Regards,
>Steve
>----- Original Message -----
>From: "tom cheung" <tkc9789@hotmail.com>
>To: <itweber@earthlink.net>
>Cc: <ccielab@groupstudy.com>
>Sent: Monday, February 04, 2002 10:17 AM
>Subject: Re: IS-IS over MBNA.....
>
>
> > Steve,
> > Brian Dennis explained clearly this a while back. Following is
>extracted
> > from his e-mail:
> >
> > "The issue with ISIS over frame-relay is with a point-to-point
>subinterface
> > to a multipoint subinterface or to a physical interface.
> >
> > I just retested all this in my lab and confirmed what works and what
>doesn't
> > work.
> >
> > Works:
> > 1. point-to-point subinterface to a point-to-point subinterface
> > 2. physical interface to a physical interface
> > 3. mulitpoint subinterface to a multipoint subinterface
> > 4. multipoint subinterface to a physical interface
> >
> > Doesn't work:
> > 1. point-to-point subinterface to a physical interface
> > 2. point-to-point subinterface to a multipoint subinterface
> >
> > Basically the issue is with point-to-point interfaces sending
>point-to-point
> > IIH's (ISIS hellos) and multipoint or physical interfaces sending LAN
>IIH's.
> > There isn't a way to change the hello types.
> >
> > Also remember that if you're going to run ISIS over frame relay on a
> > multipoint subinterface or a physical interface you'll need to map clns
>to
> > the dlci."
> >
> > HTH
> >
> > Tom
> >
> >
> >
> > >From: "Steven Weber" <itweber@earthlink.net>
> > >Reply-To: "Steven Weber" <itweber@earthlink.net>
> > >To: <Yves@Fauser.de>
> > >CC: <ccielab@groupstudy.com>, <nobody@groupstudy.com>
> > >Subject: Re: IS-IS over MBNA.....
> > >Date: Mon, 4 Feb 2002 08:49:42 -0500
> > >
> > >This link provides a wonderful explanation. Thank You. However, there
>are
> > >still a few points that I'm unclear on. How do you know that there is a
>TTL
> > >bit and how do you know that it is set to 1. Also, the reason Doyle
>says
> > >that it doesn't work is because a multipoint interface is treated like
>a
> > >LAN
> > >interface and a point-to-point interface is treated like a
>point-to-point
> > >link. IS-IS doesn't have a network command like OSPF does in order to
> > >change
> > >this. Therefore the link on both ends must be the same. So according to
> > >this, a hub which is multipoint with spokes that are point-to-point
>will
> > >not
> > >work but if the interface types on both ends match there should be no
> > >problems. But there are........
> > >
> > >Regards,
> > >Steve
> > >----- Original Message -----
> > >From: <Yves@Fauser.de>
> > >To: "Steven Weber" <itweber@earthlink.net>
> > >Cc: <ccielab@groupstudy.com>; <nobody@groupstudy.com>
> > >Sent: Monday, February 04, 2002 8:04 AM
> > >Subject: Re: IS-IS over MBNA.....
> > >
> > >
> > > > Hi Steve,
> > > >
> > > > we had a discussion about that some time ago, maybe this helps :
> > > >
> > > > http://www.groupstudy.com/archives/ccielab/200108/msg00763.html
> > > >
> > > > Yves
> > > >
> > > >
> > > >
> > > >
> > > >
> > > > "Steven Weber" <itweber@earthlink.net>
> > > > Sent by: nobody@groupstudy.com
> > > > 04.02.2002 04:14
> > > > Please respond to "Steven Weber"
> > > >
> > > >
> > > > To: <ccielab@groupstudy.com>
> > > > cc:
> > > > Subject: IS-IS over MBNA.....
> > > >
> > > >
> > > > I was going through Doyle Vol. I and when I got to IS-IS over MBNA
>he
> > >says
> > > > that unlike OSPF you cannot change the network types on a frame
>relay
> > > > interface. Therefore they all must use the same interface types.
>However
> > > > when
> > > > I tried this I only had success with point-to-point like Doyle
>suggests.
> > > > When
> > > > I try to use the physical interface on the hub and spokes or use
> > > > multipoint on
> > > > hub and spokes the adjacencies never form. Would someone please be
>able
> > > > to
> > > > explain to me why it only works when you use point-to-point and not
> > > > multipoint
> > > > or physical interfaces.
> > > > Regards,
> > > > Steve
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