Syntax
set policy route extcommunity-list [ standard | expanded ] { list-num | list-name } rule rule-num action { deny | permit } delete policy route extcommunity-list [ standard | expanded ] { list-num | list-name } rule rule-num action show policy route extcommunity-list [ standard | expanded ] { list-num | list-name } rule rule-num action
Quagga supports them.