From: Narbik Kocharians (narbikk@gmail.com)
Date: Mon May 05 2008 - 01:41:07 ART
It looks good but i think you menat to do ^([0-9]+)(_1\)*$. This will match
prepending of the same AS.
On 5/4/08, Amir.Tahir/Wateen/Lahore <Amir.Tahir@wateen.com> wrote:
>
> I believe if you try the following expression, it will help
>
> If the AS is prepended, the following expression could be used to match
> the successive occurrences
> ^([0-9]+)(-\1)*$
>
> Do let us know yor findings and feedback
>
> Regards / AT
>
> -----Original Message-----
> From: nobody@groupstudy.com [mailto:nobody@groupstudy.com] On Behalf Of
> V.Shekhar@GlobalAssurance.net
> Sent: Thursday, May 01, 2008 10:29 PM
> To: Rakesh Hegde
> Cc: ccielab@groupstudy.com
> Subject: Re: BGP regular expression
>
> Sorry i meant to ask does it List 1.0 & 2.0 with ^(100_)+$ ?
> -V Shekhar
> CCIE(sec)#17589/CISSP/RHCE.
>
> V.Shekhar@GlobalAssurance.net wrote:
> > Does it list 1& 4 if u use ^(100_)+$ ?
> >
> > -V Shekhar
> > CCIE(sec)#17589/CISSP/RHCE.
> >
> > Rakesh Hegde wrote:
> >> Guys,
> >>
> >> I've got the following routes in the bgp table
> >>
> >> 192.168.1.0 100
> >> 192.168.2.0 100 100 100
> >> 192.168.3.0 100 200 300
> >>
> >>
> >> 1. Sh ip bgp reg (_100_)+ as expected lists all 3 networks
> >>
> >> 2. Sh ip bgp reg ^(_100_)+ as expected lists all 3 networks
> >>
> >> 3. Sh ip bgp reg (_100_)+$ as expected lists 192.168.1.0 and
> >> 192.168.2.0
> >>
> >> 4. Sh ip bgp reg ^(_100_)+$ lists only 192.168.1.0 .
> >>
> >> Any idea why no 4 is not listing 192.168.2.0 ?
> >>
> >> Thanks in advance
> >>
> >> -Rakesh
> >>
> >>
> >> Pass the CCIE in six weeks, Guaranteed!
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> >>
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-- Narbik Kocharians CCSI#30832, CCIE# 12410 (R&S, SP, Security) www.Net-Workbooks.com Sr. Technical Instructor
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