Re: PREFIX-LIST Interpretation

From: CCIE GOAL (ccie.goal@gmail.com)
Date: Tue Jun 12 2007 - 19:27:08 ART


Hi John...

In the lab exam we should ask the proctor to clarify that...

Regards,
Luciano

2007/6/7, YJ <YJ@yjgnet.com>:
> I signed up yesterday, so I am new in the group.
> I am thinking If the requirement says " Configure R1 only to receive "SUBNET
> PREFIXES BELLOW" 198.0.0.0/8.", doesn't it mean anything above 198.0.0.0/8
> will be denied, and permit everything else?
>
> Can I just do this?
>
> ip prefix-list SOLUTION deny 198.0.0.0/8 le 32
> ip prefix-list SOLUTION permit 0.0.0.0/0 le 32
>
> ??
>
> thanks
> -John
>
> -----Original Message-----
> From: nobody@groupstudy.com [mailto:nobody@groupstudy.com] On Behalf Of CCIE
> GOAL
> Sent: Wednesday, June 06, 2007 9:24 PM
> To: smorris@ipexpert.com
> Cc: Cisco certification
> Subject: Re: PREFIX-LIST Interpretation
>
> Ok, so if I get a question like this I will ask the proctor then...
>
> Thanks Scott!
>
> 2007/6/6, Scott Morris <smorris@ipexpert.com>:
> > I seem to remember having a similar conversation in the past... And I
> think
> > the only answer everyone agreed with is that you should ask the proctor!
> >
> > If you ask the proctor in such a way that demonstrates you know the answer
> > no matter which way it is interpreted, they would have no problem in
> > clarifying things for you. If you go up and ask something like "what is
> > this?" that may be a bit more vague and they'll think you may be fishing
> for
> > information.
> >
> >
> > Scott Morris, CCIE4 (R&S/ISP-Dial/Security/Service Provider) #4713, JNCIE
> > #153, CISSP, et al.
> > CCSI/JNCI-M/JNCI-J
> > VP - Technical Training - IPexpert, Inc.
> > IPexpert Sr. Technical Instructor
> >
> > A Cisco Learning Partner - We Accept Learning Credits!
> >
> > smorris@ipexpert.com
> >
> > Telephone: +1.810.326.1444
> > Fax: +1.810.454.0130
> > http://www.ipexpert.com
> >
> >
> > -----Original Message-----
> > From: nobody@groupstudy.com [mailto:nobody@groupstudy.com] On Behalf Of
> CCIE
> > GOAL
> > Sent: Wednesday, June 06, 2007 9:01 PM
> > To: Cisco certification
> > Subject: PREFIX-LIST Interpretation
> >
> > Hi fellows,
> >
> > I have a doubt about how to interpret the following sentence about
> prefixes
> > list:
> >
> > "Configure R1 only to receive "SUBNET PREFIXES BELLOW" 198.0.0.0/8.
> >
> > When I first saw it I understood to manipulate the prefix (mask length),
> so
> > I would configure this:
> >
> > --> ip prefix-list SOLUTION permit 198.0.0.0/8 le 32
> >
> >
> > But researching on the old posts on groupstudy I saw somebody manipulating
> > the first octect:
> >
> > 0.0.0.0/1 le 32
> > 128.0.0.0/2 le 32
> > 192.0.0.0/6 le 32
> > 196.0.0.0/7 le 32
> >
> > Which interpetation do you think that would be correct when the
> requirement
> > states to filter the "subnet prefixes bellow"?
> >
> > Regards,
> > Luciano
> >
> > _______________________________________________________________________
> > Subscription information may be found at:
> > http://www.groupstudy.com/list/CCIELab.html
>
> _______________________________________________________________________
> Subscription information may be found at:
> http://www.groupstudy.com/list/CCIELab.html
>
> _______________________________________________________________________
> Subscription information may be found at:
> http://www.groupstudy.com/list/CCIELab.html



This archive was generated by hypermail 2.1.4 : Sun Jul 01 2007 - 17:24:48 ART