[isp-bgp] Re: bgp advertising

[Rich Fulton <rich@...]

If your internal AS is 18200 and you want to match on
internal routes only then your as-path acl should look
like:

 !
 ip as-path access-list 2 permit ^$
 !

On Sun, 6 Apr 2003, Jacques VUVANT wrote:

> Hello all
>
> I have problem on advertising out my network to ISP (I think because the
> input traffic on interface goes down quickly to zero).
>
> What I want route-map to do is to advertise my network to ISP as following:
>
> 1)
> * any route starting (with or without prepending) with 18200 (my AS)
> AND
> * with network on prefix-list VERSG
> Do as-prepend 18200 twice
>
> 2) The network not on prefix-list VERSG are advertising normally (no
> as-prepend)
>
> Here is my configuration:
>
> !
> ip as-path access-list 2 permit ^(18200_)+$
> !
> ip prefix-list VERSG seq 10 permit 209.58.55.0/24
> ip prefix-list VERSG seq 15 permit 202.22.128.0/23
> !
> route-map PAS13589-OUT permit 15
>  match as-path 2
>  match ip address prefix-list VERS-GAL
>  set as-path prepend 18200 18200
> route-map PAS13589-OUT permit 20
>  match as-path 2
>
> So When I use this configuration, input trafic come down very quickly to
> zero (mean that filter is not good).
>
> Someone can see if my configuration is correct, or modify it please.
>
> Thanks a lot for and answer
>
> Jacques VUVANT
> Nerwork OPT New-Caledonia
> Phone : +687-267541
> Fax   : +687-278444
> Mobile: +687-773121
> Mail   : jacques.vuvant@...
>
>
>
> ------------------------ANNOUNCEMENT-----------------------------------
> -----------------------------------------------------------------------
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>          =============================================
>       The Definitive Event for the Wired and Wireless ISP
>            Visit www.ispcon.com and register today!
> -----------------------------------------------------------------------
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>




>




  /rf


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