Condition Action Statement Statement Statement Statement Policy … Condition - prefix-set-name - neighbor-set-name - community-set-name - ext-community-set-name - as-path-set-name - as-path-length - rpki-validation-result Action - accept/reject - add/remove community/ ext-community - prepend as-path - manipulate MED Prefix Sets prefix-set … Defined Sets Neighbor Sets neighbor-set … Community Sets community-set … ExtCommunity Sets ext-community-set … AsPath Sets as-path-set …