Jacob,

Thank you. This is a very useful link (ip as-path access-list from
BGP command reference). If you don't have too much time to test things and
you have to filter private AS from path with filter-list when not allowed
to use neighbor remove-private-as.

Though one would have to modify the regex as it seems to start from 64600
instead of 64512.

could be:

ip as-path access-list 1 deny
(_6451[2-9]_|_645[2-9][0-9]_|_64[6-9][0-9][0-9]_|_65[0-9][0-9][0-9]_)


On Wed, Nov 23, 2011 at 7:30 PM, Jacob Zartmann <[email protected]> wrote:

> Look for show ip bgp regex or see here:
> http://www.cisco.com/en/US/docs/ios/iproute_bgp/command/reference/irg_bgp5.html#wp1161831
>
> Or if you're looking for a way to filter using regex look for ip as-path
> access-list or see here:
> http://www.cisco.com/en/US/docs/ios/iproute_bgp/command/reference/irg_bgp2.html#wp1112961
>
> What are you looking for?
>
> /JZ
>
> On Nov 23, 2011, at 4:07 PM, Nilesh Mehta wrote:
>
> > Can any one tell me where is the reference about BGP regular expression
> in
> > DOC CD ? I was looking for various command options for regular expression
> > but could not find good reference.
> >
> > Thanks
> >
> > Nilesh
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Olugbenga Oyebande
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234-803-302-5287
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DAIT Enterprise Network Servers
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