From: Nguyen Hoang Long (ng-hlong@hn.vnn.vn)
Date: Tue Feb 11 2003 - 15:01:09 GMT-3
So, IPexpert is wrong at this point. Sometimes their solutions make me go
mad.
Thks,
Nguyen Hoang Long
----- Original Message -----
From: "Jacques Eding" <jeding@kabelfoon.nl>
To: "Nguyen Hoang Long" <ng-hlong@hn.vnn.vn>; "Cassidy D. Smith"
<csmith@plannetconsulting.com>; <ccielab@groupstudy.com>
Cc: "Dave Swink" <dswink@austin.rr.com>
Sent: Tuesday, February 11, 2003 5:11 AM
Subject: RE: RE: regexp & confederation again (Ipexpert Lab9, item 11)
> LS.
>
> Remember where the filters are applied.
>
> On the local bgp table. Now in a bgp table of a confederation member, the
AS
> path will have the confederation AS as its AS path, not the confederation
> identifier (or remote AS), this is added when a route is distributed to
the
> EBGP neighbour.
> So the AS-path filter ^$ or locally originated will not work, there are no
> empty AS paths in the BGP table.
>
> Jacques Eding
>
> -----Original Message-----
> From: nobody@groupstudy.com [mailto:nobody@groupstudy.com]On Behalf Of
> Nguyen Hoang Long
> Sent: maandag 10 februari 2003 20:20
> To: Cassidy D. Smith; ccielab@groupstudy.com
> Cc: Dave Swink
> Subject: Re: RE: regexp & confederation again (Ipexpert Lab9, item 11)
>
>
> Thanks Cassidy,
>
> command: ip as-path access-list 1 permit ^\(65078\)$ makes it work
>
> command: ip as-path access-list 1 permit ^$ still does not work in my
Lab,
> some Bugs !? I'll check it sometime later in other IOS.
>
> Does anyone have the same problem like this ?
>
> Rgds,
> Long
>
> ----- Original Message -----
> From: "Cassidy D. Smith" <csmith@plannetconsulting.com>
> To: <ng-hlong@hn.vnn.vn>; <ccielab@groupstudy.com>
> Sent: Monday, February 10, 2003 2:26 PM
> Subject: RE: RE: regexp & confederation again (Ipexpert Lab9, item 11)
>
>
> > If you were trying to match on (65078) you would need to "escape" your
> > parentheses "(" and ")" . They have special RegExp meaning, to escape
> those
> > so that they can be matched on as simple ascii characters, you need to
use
> > the backslash "\".
> >
> > So to rewrite the below:
> >
> > ip as-path access-list 1 permit ^\(65078\)$
> >
> > I saw your earlier post and ^$ means no AS_PATH or empty. It looked
like
> it
> > was only allowing the "empty" match. Perhaps your confederation was not
> > configured the way they wanted you to, or you are filtering at the wrong
> > place?
> >
> > Cassidy
> >
> > -----Original Message-----
> > From: nobody@groupstudy.com [mailto:nobody@groupstudy.com]On Behalf Of
> > ng-hlong@hn.vnn.vn
> > Sent: Monday, February 10, 2003 10:55 AM
> > To: ccielab@groupstudy.com
> > Subject: Re: RE: regexp & confederation again (Ipexpert Lab9, item 11)
> >
> >
> > Hi Dave,
> >
> > Yes,I have.
> >
> > R2,R5,R6,R7,R8 is in confederation 200 as stated in the LAB9.
> >
> > ip as-path access-list 1 permit ^(65078)$ does not help solve problem.
> >
> > Thanks for your input,
> >
> > Nguyen Hoang Long
> >
> >
> >
>
> -------------------------------------------------------------------------
> > Get your private, free Email by Vietnamese at http://vol.vnn.vn/
> .
.
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