Re: ISIS over frame-relay troubles..... posted 01/13/2001
Or use point-to-point subinterfaces.
At 06:04 PM 1/12/01 -0600, Eric Fairfield wrote:
>If using a multipoint FR interface IS-IS will not work. Create a tunnel
>between the two routers. Works for me!
>----- Original Message -----
>From: Nigel Taylor <nigel_taylor@xxxxxxxxxxx>
>To: Cisco Group Study <cisco@xxxxxxxxxxxxxx>; CCIE_Lab Group Study
>Sent: Friday, January 12, 2001 3:11 AM
>Subject: ISIS over frame-relay troubles.....
> > Hi All,
> > I'm just trying to get a handle on ISIS over frame relay. It =
> > would seem that because there's no comparable command to the "ip ospf =
> > network" under ISIS that this limits the configuration options over =
> > frame-relay. It's noted that cisco serial interface with frame-relay =
> > encapsulation defaults to a multi-point interface. For some reason I =
> > can't get ISIS neighbor adjacencies being formed using a full mesh =
> > frame-relay cloud.=20
> > I'm using the configuration example in Doyle's Routing TCP/IP, pg. 652. =
> > I replaced the ethernet segment between the L2 devices(London, Rome, and =
> > Brussels) with frame-relay. In my frame-relay configurations I'm able =
> > to ping all points of the cloud but I'm unable to get adjacencies to =
> > form. All routers are configured with physical interface(multi-point, =
> > being the default) but I still get encapsulation failure when observing =
> > the "debug isis adj-packets". Now I've got this to work when the =
> > devices are configured using point-to-point sub-interfaces in a partial =
> > mesh(hub and spoke topology) and the hub configured for individual =
> > p-t-p's for each pvc.
> > I am however trying to simulate the ethernet segment I'm replacing.. I'm =
> > I thinking way "out the box" here or is this possible"
> > For reference there's a basic example on pg. 678 of Doyle's book that =
> > covers the frame-relay issue I'm trying to resolve...
> > Thanks All,
> > Nigel.
> > _______________________________________________________
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