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 actionQuagga supports them.