ext_if = "lo0"
altq on lo0 cbq bandwidth 10.00Mb tbrsize 1824 queue { deflt http ssh mail rsets }
queue deflt bandwidth 1.00Mb priority 0 cbq( red ecn default ) 
queue http bandwidth 1.50Mb priority 3 { http_vhosts http_cust1 }
queue http_vhosts bandwidth 600.00Kb cbq( red borrow )