Dell PowerEdge FN I/O Module Configuration Guide 9.10(0.0)

To filter routes based on AS-PATH information, use these commands.

1. Create a AS-PATH ACL and assign it a name. CONFIGURATION mode ip as-path access-list as-path-name
2. Create a AS-PATH ACL filter with a deny or permit action. AS-PATH ACL mode {deny | permit} as-regular-expression
3. Return to CONFIGURATION mode. AS-PATH ACL exit
4. Enter ROUTER BGP mode. CONFIGURATION mode router bgp as-number
5. Filter routes based on the criteria in the configured route map. CONFIG-ROUTER-BGP mode neighbor { ip-address | peer-group-name} filter-list as-path-name {in | out} Configure the following parameters:
   • ip-address or peer-group-name : enter the neighbor’s IP address or the peer group’s name.
   • as-path-name : enter the name of a configured AS-PATH ACL.
   • in: apply the AS-PATH ACL map to inbound routes.
   • out: apply the AS-PATH ACL to outbound routes.