Re: Why is area 0 range ip_address mask so unreliable?

From: Thomas Larus (tlarus@xxxxxxx)
Date: Thu Jun 13 2002 - 10:19:31 GMT-3


   
So is the only way to get a summary of an area 0 address to make a secondary
address with the mask you want? I did that and it worked well, but it would
be nice to have options.
----- Original Message -----
From: "Wes Stevens" <ccie_miami@hotmail.com>
To: <tlarus@cox.net>; <ccielab@groupstudy.com>
Sent: Tuesday, June 11, 2002 7:11 AM
Subject: Re: Why is area 0 range ip_address mask so unreliable?

> The area range command is always inbound to area zero - i.e. your are
> summarizing an area at the abr entering area zero. You cannot summarize
area
> zero with it.
>
>
> >From: "Thomas Larus" <tlarus@cox.net>
> >Reply-To: "Thomas Larus" <tlarus@cox.net>
> >To: <ccielab@groupstudy.com>
> >Subject: Why is area 0 range ip_address mask so unreliable?
> >Date: Mon, 10 Jun 2002 22:36:50 -0400
> >
> >Why can we summarize area 0 addresses sometimes and not others. Is it
> >perhaps that we are sometimes trying to summarize an address that is
> >directly connected. There are some people who even have said that you
> >cannot use summarize area 0 addresses.
> >
> >If you can't, then how in the world can you ever summarize the classic
VLSM
> >area 0 frame-relay cloud?
> >
> >Also, regarding the other night's discussion of the trick of
> >redistributing
> >connected to get the loopback into OSPF and using summary-address to make
> >it
> >a length that IGRP and RIP could handle, does have its downside in that,
of
> >course, you might not want to redistribute all the other connecteds on
the
> >router into your OSPF domain.



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