From: dara tomar (wish2ie@gmail.com)
Date: Wed Nov 28 2007 - 13:21:24 ART
*Yes Carlos,
What Mr. Scott said>>
B] could come to you from anyone as long as the routes originate in AS 200.
is the same that you mean,except describing more i.e, the neighboring AS
from which we can get the route can be any while the prefix has originated
in the AS 200.
HTH,
Regards,
Dara*
On Nov 28, 2007 8:20 PM, Carlos Trujillo Jimenez <nergal888@hotmail.com>
wrote:
> I think, routes originated ONLY IN AS 200 is the match for the B option.
>
> >B) ip as-path access-list 2 permit _200$ => routes originated in AS
> >200
>
>
>
> >From: Tandou Mohamed <dtandou@yahoo.com>
> >>X-OriginalArrivalTime: 28 Nov 2007 14:43:10.0484 (UTC)
> >>FILETIME=[FF356D40:01C831CC]
> >
> >Now i understand D. what about B? the origin of the routes will be AS 200
> >only or can be any adjacent neighbor to AS 200 ?
> >
> > Thanks,
> >
> > Mohamed
> >
> >Scott Morris <smorris@ipexpert.com> wrote:
> > D would be routes LEARNED FROM AS 690 (your peer)
> >
> >HTH,
> >
> >
> >Scott Morris, CCIE4 (R&S/ISP-Dial/Security/Service Provider) #4713,
> JNCIE-M
> >#153, JNCIS-ER, CISSP, et al.
> >CCSI/JNCI-M/JNCI-ER
> >VP - Technical Training - IPexpert, Inc.
> >IPexpert Sr. Technical Instructor
> >
> >A Cisco Learning Partner - We Accept Learning Credits!
> >
> >smorris@ipexpert.com
> >
> >
> >
> >Telephone: +1.810.326.1444
> >Fax: +1.810.454.0130
> >http://www.ipexpert.com
> >
> >
> >
> >
> >
> >-----Original Message-----
> >From: nobody@groupstudy.com [mailto:nobody@groupstudy.com] On Behalf Of
> >Tandou Mohamed
> >Sent: Wednesday, November 28, 2007 8:34 AM
> >To: ccielab@groupstudy.com
> >Subject: Regular Expression
> >
> >Hello GS,
> >can someone check this out if i am correct about these definition also
> any
> >comment on B,C,D and E those really confuse me sometimes.
> >
> >Thanks,
> >
> >Mohamed
> >
> >A) ip as-path access-list 1 permit _109_ => routes containing or
> >transiting AS 109
> >B) ip as-path access-list 2 permit _200$ => routes originated in AS
> >200
> >C) ip as-path access-list 2 permit ^100$ => routes originated by a
> >neighbor in AS 100
> >D) ip as-path access-list 3 permit ^690_ => routes originating from
> >AS 690
> >E) ip as-path access-list 3 permit ^$ => routes originating
> >from this AS (my AS)
> >
> >
> >
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-- Regards, Dara
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