### Queueing: rule-based bandwidth control.
# Internal interface; download queue
altq on $int_if hfsc bandwidth 100Mb queue { ether, nattraffic }
queue ether hfsc ( default, upperlimit 70Mb ) bandwidth 70Mb
       # Ethernet traffic
queue nattraffic hfsc ( upperlimit 1400Kb ) bandwidth 1500Kb { toint_qone, toint_qtwo, toint_qthree }
#q#     queue toint_qone qlimit 15 hfsc ( red, upperlimit 400Kb ) bandwidth 500Kb
#q#     queue toint_qtwo qlimit 15 hfsc ( red, upperlimit 430Kb ) bandwidth 500Kb
        queue toint_qthree qlimit 15 hfsc ( red, upperlimit 400Kb ) bandwidth 500Kb

# External interface; upload queue
#q#altq on $ext_if hfsc ( upperlimit 240Kb ) bandwidth 256Kb queue { fromint_qone, fromint_qother, server, fromint_ack }
       # External interface, stuff which goes out on this interface has 128Kb bandwidth
#q#queue fromint_qone qlimit 15 hfsc ( red, upperlimit 120Kb ) bandwidth 128Kb
#q#queue fromint_qother qlimit 15 hfsc ( default, red, upperlimit 120Kb ) bandwidth 128Kb
#queue server hfsc ( default ) bandwidth 10%
#queue fromint_ack hfsc ( realtime 5Kb ) bandwidth 10% priority 7
       # TCP ACK packets, saying we've got a packet, we have to get these off asap