ext_if = "lo0"
altq on lo0 cbq bandwidth 10Mb tbrsize 1824 queue { deflt http ssh mail rsets }
queue deflt bandwidth 10% priority 0 cbq( red ecn default ) 
queue http bandwidth 1.50Mb priority 3 { http_vhosts http_cust1 }
queue http_vhosts bandwidth 40% cbq( red borrow ) 
queue http_cust1 bandwidth 500Kb 
queue mail bandwidth 10% 
queue ssh bandwidth 200Kb priority 7 cbq( borrow ) 
queue rsets bandwidth 150Kb priority 0 cbq( red ) 
block return in on lo0 inet all queue rsets
pass in on lo0 inet proto tcp from any to any port = www keep state queue http
pass out on lo0 inet proto tcp from any to any port = ssh keep state queue ssh
pass in on lo0 inet proto tcp from any to any port = ssh keep state queue ssh
pass out on lo0 inet proto tcp from any to any port = smtp keep state queue mail
pass out on lo0 inet all keep state