Re: OSPF Area 0 Tuneling

From: Chris Lewis (chrlewiscsco@yahoo.com)
Date: Wed Nov 09 2005 - 10:49:36 GMT-3


Why is it an issue for the loopbacks to be on different subnets?

Dave Temkin <dave@ordinaryworld.com> wrote:Be sure to read the wording of the lab carefully. They may (or may not)
allow you to create additional IP addressing within a certain scope, as
needed.

Using ip unnumbered to a loopback isn't all that great of an idea, as your
loopbacks will generally be in different subnets.

-Dave

On Wed, 9 Nov 2005, Dan Agache wrote:

> I think that you have to use all that the lab is given, nothing more. Using another subnet address is extra commands and is not a good idea. That's my opinion.
>
>
> "De Witt, Duane" wrote:
> Hi Group
>
>
>
> Quick question: in the lab if you have to join discontiguous area 0's
> with tunnels is it better to use ip unnumbered loopback 0 (assuming
> loopback 0 is in area 0) or a new IP address and add the new subnet to
> area 0 as well as the loopback.
>
>
>
> I'm asking this because in IEWB V2 Lab3, area 0 consists of the loopback
> interface of each router. So a tunnel was used using ip unnumbered
> loopback 0. My solution was to create a new subnet for the tunnel and
> add it to area 0.
>
>
>
> Regards
>
> Duane
>
>
>
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