From: Mark H. Degner (mark@xxxxxxxxxx)
Date: Fri Jun 09 2000 - 15:27:34 GMT-3
It reads more like, match any number of occurences of any character,
including white space. Think of it more as the asterisk (*) modifying the
period (.) and not as the asterisk modifying what the period has matched. so
<100> would match, and so would <100 200>, etc.
Mark
----- Original Message -----
From: "Bill Dellamar" <wdellamar@yahoo.com>
To: "Mark H. Degner" <mark@degner.org>; <ccielab@groupstudy.com>
Sent: Friday, June 09, 2000 1:20 PM
Subject: Re: bgp question
> I need to verify that. I guess I read it as
> * match any character
> 0 match any occurance of that character.
>
> Therefore 1, 11, 111, 333, 555 would match
> however,
> 12, 123, 112 would not match.
>
> I need to fire up the ole routers and verify this.
>
> Thanks.
>
> --- "Mark H. Degner" <mark@degner.org> wrote:
> > If I'm not mistaken, it should match ANY as-path of
> > ANY length. So you
> > aren't really filtering anything. You could also
> > configure this same
> > behavior by leaving out the 'match as-path 10' line
> > in the route-map, or by
> > configuring a default local-preference for the
> > routing process.
> >
> > Here's the link to Cisco's documentation on
> > regular-expressions..
> >
> >
>
http://www.cisco.com/univercd/cc/td/doc/product/software/ios121/121cgcr/dial
> > _r/drdapp/drdrapre.htm#xtocid97847
> >
> > Hope this helps..
> >
> > Mark Degner
> >
> > ----- Original Message -----
> > From: "Bill Dellamar" <wdellamar@yahoo.com>
> > To: <ccielab@groupstudy.com>
> > Sent: Friday, June 09, 2000 12:40 PM
> > Subject: bgp question
> >
> >
> > > Could someone provide some examples of what would
> > > and/or would not match this access-expression:
> > >
> > >
> > > ip as-path access-list 10 permit ^.*$
> > >
> > >
> > > ^ is the start of the string
> > > . matches any wildcard
> > > * is 0 to any occurance of the object
> > > $ is end of string.
> > >
> > > How does it relate to this statement:
> > >
> > > route-map INfromAnotherAS permit 10
> > > match as-path 10
> > > set local-preference 120
> > >
> > > What AS's or routes would match as-path 10 and get
> > > their local preference set to 120.
> > >
> > > Thanks,
> > >
> > >
> > >
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