From: san (san.study@gmail.com)
Date: Thu May 26 2005 - 05:25:49 GMT-3
Used "Ctrl v "
On 5/26/05, san <san.study@gmail.com> wrote:
> Hi,
>
> How can i type the option "?" (zero or one instance) in regexp of
> BGP...Something like below
>
> ^54(_[0-9]+)?$
>
> While typing it takes as ? for help.
>
> /SAN
>
>
>
>
> On 5/25/05, SIMON HART <simon.hart@btinternet.com> wrote:
> > Dennis,
> >
> > The rule as I understand is that you do have access to the DocCd. The case is that on my lab attempt, for a good portion of the exam we did not have access as the local web server was not working. The Proctor, give him is due, was doing everything in his power to get it working, however in the long run it did not add to what was already a stressful experience.
> >
> > Simon
> >
> > "Dennis J. Hartmann" <dennisjhartmann@hotmail.com> wrote:
> > If I don't have access to www.cisco.com/univercd during the lab, I think
> > I'm going to get up and leave. What's the rule? I know Cisco is making the
> > rules, but I believe you're supposed to be given that tool.
> >
> >
> > Sincerely,
> >
> >
> >
> > Dennis J. Hartmann
> >
> > White Pine Communications
> >
> > dh8@pobox.com
> >
> > CCSI#23402/CCIP/CCNP/CCDP/CCNA/CCDA
> >
> > Cisco IP Voice Support & Design Specialist
> >
> > Cisco Optical, VPN & IDS Specialist
> >
> > MCSE
> >
> >
> >
> >
> >
> > _____
> >
> > From: SIMON HART [mailto:simon.hart@btinternet.com]
> > Sent: Wednesday, May 25, 2005 9:13 AM
> > To: Dennis J. Hartmann; 'GroupStudy'
> > Subject: Re: regex for as-path
> >
> >
> > Hi Dennis,
> >
> > good shout, on this. In fact I stumbled over this recently within the
> > DocCd.
> >
> > Just would not bet on having access to the DocCd when you do your lab. I
> > didn't !!
> >
> > Simon
> >
> > "Dennis J. Hartmann" wrote:
> >
> > I created this E-Mail before stumbling across this quote in the BGP
> > Configuration Guide:
> >
> > See the "Regular Expressions" appendix in the Cisco IOS Terminal Services
> > Configuration Guide for more information on forming regular expressions
> >
> > Does anyone know if there is documentation on Regular Expressions
> > somewhere on the UNIVERCD site? Please disregard now that I know it's in
> > the termal services configuration guide.
> >
> > I don't like to post to the list with just a question, so I'll share
> > some of my regular expression information below:
> >
> > Matches any single character
> > * Matches zero or more sequences of the pattern
> > ^ Begins with
> > $ End with
> > [5-9] or [56789] Matches one character in the range of 5 through 9
> > (123) Matches AS 123
> > + Matches one or more sequences of the pattern
> > _ Matches the following: , { } ( ) ^ $ Blank Space
> >
> > Examples
> >
> > _200_ Matches an instance of AS 200 ANYWHERE in the AS-PATH
> >
> > ^200_ AS-Path begins with (originated from) AS 200
> >
> > ^200(_200)*$ Begins with and ends with (directly connected to) AS 200
> > with one (or more) instances of AS 200 due to AS-PATH prepending
> >
> > 200$ AS-PATH ends with AS 200 (AS 200 is the last AS that the BGP
> > path traversed).
> >
> > ^([0-9]+)(_\1)*$ Matches one or more instance of a neighboring AS. I
> > don't understand the (_\1) myself. If anyone has a better understanding of
> > this, please share.
> >
> > * Permit ANY
> >
> > \(200 Matches (200 which could be seen in a BGP Community's
> > AS-PATH. The \ matches any one special character. In this case, the
> > special character is the (.
> >
> >
> >
> > Sincerely,
> >
> > Dennis J. Hartmann
> >
> > White Pine Communications
> >
> > dh8@pobox.com
> >
> > CCSI#23402/CCIP/CCNP/CCDP/CCNA/CCDA
> >
> > Cisco IP Voice Support & Design Specialist
> >
> > Cisco Optical, VPN & IDS Specialist
> >
> > MCSE
> >
> > _______________________________________________________________________
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> >
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> >
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