Re: originated from BGP

From: shi bindong (bindong.shi@gmail.com)
Date: Mon Jul 17 2006 - 03:34:49 ART


hi:
thanks for your reply, may I know what is the difference between originated
and learned... for example, in the AS 54, I announce a network (10.1.1.0/24),
it is originated from AS54, and other AS BGP peer can learn the network
(learned from)?

On 7/17/06, Scott Morris <swm@emanon.com> wrote:
>
> Things ORIGINATED from the AS will be at the end of the AS string (Cisco's
> Docs are correct).
>
> Things LEARNED from the AS will be at the beginning of the AS string (IE
> would be correct if this were the question).
>
> HTH,
>
>
> Scott Morris, CCIE4 (R&S/ISP-Dial/Security/Service Provider) #4713, JNCIE
> #153, CISSP, et al.
> CCSI/JNCI-M/JNCI-J
> smorris@ipexpert.com
> http://www.ipexpert.com
>
>
>
> -----Original Message-----
> From: nobody@groupstudy.com [mailto:nobody@groupstudy.com] On Behalf Of
> bindong.shi@gmail.com
> Sent: Monday, July 17, 2006 2:21 AM
> To: ccielab@groupstudy.com
> Subject: originated from BGP
>
> hi group:
> Now I am gettign confuesd about the BGP regular expression, how to
> configure
> traffic "orignated from AS 54"?
> from cisco website:
> http://www.cisco.com/warp/public/459/26.html
> it is "ip as-path access-list 1 permit _54$"
> but from IEWB solution guide:
> it is "ip as-path access-list 1 permit ^54_"
>
> which one is correct?
>
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>

-- 
your friends

bindong



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