From: Huizinga, Rene (rhuizinga@upcbroadband.com)
Date: Wed Dec 27 2006 - 17:11:46 ART
Don't think so Brian, that would exceed your nvram-size in most cases, not
certain if service compress-config would help you much here... ;D Outside of
the max-amount of lines the thing could interpret...
-----Original Message-----
From: nobody@groupstudy.com [mailto:nobody@groupstudy.com] On Behalf Of
Brian McGahan
Sent: Wednesday, December 27, 2006 8:45 PM
To: Bit Gossip; ccielab@groupstudy.com
Subject: RE: BGP Reg Exp
Not unless you already knew what ASes were peering with AS 54. You could
theoretically make a list with 65532 lines that would match all possible
occurrences such as:
i54(_1)*$
^54(_2)*$
^54(_3)*$
^54(_4)*$
^54(_5)*$
^54(_6)*$
...etc
HTH,
Brian McGahan, CCIE #8593 (R&S/SP)
bmcgahan@internetworkexpert.com
Internetwork Expert, Inc.
http://www.InternetworkExpert.com
Toll Free: 877-224-8987 x 705
Outside US: 775-826-4344 x 705
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> -----Original Message-----
> From: nobody@groupstudy.com [mailto:nobody@groupstudy.com] On Behalf
Of
> Bit Gossip
> Sent: Wednesday, December 27, 2006 1:23 PM
> To: ccielab@groupstudy.com
> Subject: RE: BGP Reg Exp
>
> I was wandering if it is possible to make the expression smarter so
that
> it can cope with the customer prepending once or more time; something
> like:
> 54 1234 1234 1234
> but not like
> 54 1234 4321
>
> I couldn't come to any solution....
>
> Luca.
>
> On Wed, 2006-12-27 at 09:11 -0500, Scott Morris wrote:
> > Both will work. Yours does 0 or more of the single character 0-9.
The
> > first does one or more, but makes the whole thing optional with the
? (0
> or
> > 1 of preceeding).
> >
> > Different logic, same result!
> >
> >
> > Scott Morris, CCIE4 (R&S/ISP-Dial/Security/Service Provider) #4713,
> JNCIE
> > #153, CISSP, et al.
> > CCSI/JNCI-M/JNCI-J
> > IPExpert VP - Curriculum Development IPExpert Sr. Technical
> > Instructor smorris@ipexpert.com http://www.ipexpert.com
> >
> >
> >
> > -----Original Message-----
> > From: nobody@groupstudy.com [mailto:nobody@groupstudy.com] On Behalf
Of
> JB
> > Sent: Wednesday, December 27, 2006 4:59 AM
> > To: ccielab@groupstudy.com
> > Subject: BGP Reg Exp
> >
> > Hi all, question asks for a router to accept prefixes from BB1 that
have
> > been originated by themselves and their directly connected
customers.
> >
> > Solution says: ^54(_[0-9]+)?$
> >
> > I got ^54_[0-9]*$.
> >
> > I ran mine thru looking-glass and it "seems" to work. I would
appreciate
> it
> > if someone could explain the differences, if any, between the two to
> further
> > my understanding.
> >
> > TIA,
> >
> > JB
> >
> >
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