interface en0 bandwidth 135M cbq
class cbq en0 root_class NULL pbandwidth 100
class cbq en0 def_class root_class borrow pbandwidth 95 default 
# tcp, udp, mcast
class cbq en0 tcp_class def_class borrow pbandwidth  40
	filter en0 tcp_class 0 0 0 0 6
class cbq en0 udp_class def_class borrow pbandwidth 40
	filter en0 udp_class 0 0 0 0 17
class cbq en0 mcast_class def_class pbandwidth 10
	filter en0 mcast_class 224.0.0.0 netmask 0xf0000000 0 0 0 17
# http ftp
class cbq en0 http_class tcp_class borrow pbandwidth  10
	filter en0 http_class 0 0 0 80 6
class cbq en0 ftp_class tcp_class borrow pbandwidth  10
	filter en0 ftp_class 0 0 0 20 6
	filter en0 ftp_class 0 20 0 0 6