From: syv@911networks.com
Date: Sun Sep 18 2005 - 18:33:04 GMT-3
Leigh Harrison wrote:
> All,
>
> If I wanted to allow a neighboring AS(123) and his directly connected
> AS's to be seen as routes to me, could this be written as:
>
> ip as-path access-list 1 permit ^123_[0-9]*$
http://www.911networks.com/pages/cisco/bgp/regular-expressions.php
> OR
> ip as-path access-list 1 permit ^123_.*$
> OR
> ip as-path access-list 1 permit ^.+_[0-9]*$
> OR
> ip as-path access-list 1 permit ^.+_.*$
> OR
> ip as-path access-list 1 permit ^[0-9]+_[0-9]*$
> OR
> ip as-path access-list 1 permit ^[0-9]+_.*$
>
> Could someone have a quick look and let me know if that would be the
> same thing ? I think I'm getting there!! The only niggle in the back
> of my mind is ^123_.*$ (for example), would I need a "+" after the 123 ?
>
> Many thanks,
> LH
>
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-- Thanks http://www.911networks.com When the network has to work Cisco/Microsoft
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