altq on tun1000000 cbq bandwidth 100Kb tbrsize 1500 queue { std ssh }
altq on tun1000001 cbq bandwidth 10Mb tbrsize 6000 queue { blah ssh }
queue std bandwidth 20% cbq( borrow default ) 
queue ssh bandwidth 30% cbq( borrow ) { ssh2 }
queue ssh2 bandwidth 80% 
queue blah bandwidth 60% cbq( default )