From: Ronny Jonathan (rjonathan@hotpop.com)
Date: Mon Sep 23 2002 - 13:13:22 GMT-3
With this rules, is it allowed to use ospf area range + no discard-route
internal ?
Thanks.
Ronny
----- Original Message -----
From: "Brian McGahan" <brian@cyscoexpert.com>
To: <Sam.MicroGate@usa.telekom.de>; <dvoss@heidrick.com>;
<ccielab@groupstudy.com>
Sent: Monday, September 23, 2002 10:13 PM
Subject: RE: summary to null 0 allowed?
> >From Kathy's lips:
>
> "One of the R&S lab rules state that no routes to Null are
> allowed unless otherwise stated in the lab. In the context the rule was
> given it seemed that one is not allowed to create static routes to Null
> but that routes to Null generated by a routing protocol (such as
> summarization in OSPF) are allowed in the routing table. In an attempt
> to clarify this I asked the proctor this very question and I was told
> that routes to Null generated by a routing protocol are fine. However,
> in looking at various CCIE resources, newsgroups, etc. it seems many
> people believe that absolutely no routes to Null are allowed, whatever
> the source."
>
> "Can you folks settle this question once and for all, (since it
> would have made a great difference in how I approached some of my
> solutions during my lab attempt if routes to Null generated by a routing
> protocol are not allowed)?"
>
> "When folks ask me this question in the lab, I turn them to page
> four of the test, where the general guidelines are listed: and I quote
> rule number one: 1 Static and default routes are not permitted unless
> directly stated in a question. This includes floating static, static
> routes
> to Null0 and routes to Null0 generated by any routing protocol."
>
> "An explicit allowance within a test question will override this
> rule. However I think the general guidelines spells it out pretty well."
>
>
> HTH
>
> Brian McGahan, CCIE #8593
> Director of Design and Implementation
> brian@cyscoexpert.com
>
> CyscoExpert Corporation
> Internetwork Consulting & Training
> http://www.cyscoexpert.com
> Voice: 847.674.3392
> Fax: 847.674.2625
>
>
> > -----Original Message-----
> > From: nobody@groupstudy.com [mailto:nobody@groupstudy.com] On Behalf
> Of
> > Sam.MicroGate@usa.telekom.de
> > Sent: Monday, September 23, 2002 8:38 AM
> > To: dvoss@heidrick.com; ccielab@groupstudy.com
> > Subject: RE: summary to null 0 allowed?
> >
> > I asked the proctor this question and he was kind enough to give a
> > positive
> > answer. Yes you can. Second, You can not move the null route and if
> you
> > move
> > it, it will lead to routing loops. Something you do not want to have.
> >
> > Sam
> >
> > -----Original Message-----
> > From: Voss, David [mailto:dvoss@heidrick.com]
> > Sent: Saturday, September 21, 2002 11:56 AM
> > To: ccielab@groupstudy.com
> > Subject: RE: summary to null 0 allowed?
> >
> >
> > This leads on to another question. Does anyone know how to remove a
> null
> > route after it shows up from summarizing and still have the
> summarization
> > work?
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