sysctl net.inet.ip.fw.one_pass=0
ipfw pipe 1 config bw 100Mbit
ipfw pipe 2 config bw 2Mbit
ipfw queue 1 config pipe 1 mask dst-ip 0xFFFFFFFF
ipfw queue 2 config pipe 2 mask dst-ip 0xFFFFFFFF
ipfw add 100 queue 1 ip from any to any out
ipfw add 200 queue 2 ip from any to any out