NetBSD-5.0.2/dist/pf/share/pf/queue3

# $NetBSD: queue3,v 1.2 2008/06/18 09:06:26 yamt Exp $
# $OpenBSD: queue3,v 1.3 2006/10/07 04:48:01 mcbride Exp $
# simple PRIQ example

ext_if="lo0"

altq on $ext_if priq bandwidth 10Mb queue { pri-low pri-med pri-high }
queue pri-low priority 0
queue pri-med priority 1 priq(default)
queue pri-high priority 2

pass out on $ext_if proto tcp from any to any port 22 \
    queue(pri-med, pri-high)
pass out on $ext_if proto tcp from any to any port 80 queue pri-med
pass in  on $ext_if proto tcp from any to any port 80 queue pri-low