[j-nsp] AS path access list (regexp)
Daniel Lete
daniel.lete at heanet.ie
Fri Apr 20 08:02:55 EDT 2007
Hello Kanagaraj,
^.{1,3}$
will allow an AS_PATH which depth is between 1 and 3 AS
it will not cater though for either the first, second or third AS doing AS_PATH
prepending.
Daniel
Kanagaraj Krishna wrote:
> Hi,
> I have this AS path access list to one of my BGP peerings (inbound route map) which is based on Cisco to set different local pref to:
>
> - direct peering AS
> - direct peering AS + 1st AS hop
> - direct peering AS + 1st AS hop + 2nd AS hop
>
> Based on Cisco
> -----------------------
> ip as-path access-list 77 permit ^(ABCD_)+$
> ip as-path access-list 77 permit ^(ABCD_)+[0-9]+$
> ip as-path access-list 77 permit ^(ABCD_)+[0-9]+_[0-9]+$
>
>
> How do i mirror the same requirement on a Juniper? Thanks.
>
> Regards,
> Kana
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