# $OpenBSD: queue4,v 1.2 2003/08/22 21:50:34 david Exp $ # $DragonFly: src/share/examples/pf/queue4,v 1.1 2005/12/13 01:58:27 corecode Exp $ # # Hierarchical queueing for a university. # Three faculties; engineering, law and art are defined. # Departments under the engineering faculty are defined as child queues. # The total bandwidth for engineering faculty is shared between three # departments. CS department gets the half of the bandwidth, EE and IE # departments get the thirty percent and twenty percent of bandwidth # respectively. These sibling departments can use more than their linkshare # whenever there is no backlogged sibling queue but when a queue gets # backlogged, it is guaranteed that the queue gets its linkshare. altq on dc0 bandwidth 16Mb hfsc queue { eng law art } queue eng bandwidth 10Mb { cs ee ie } queue cs hfsc( default linkshare 50% ) queue ee hfsc( linkshare 30% ) queue ie hfsc( linkshare 20% ) queue law bandwidth 3Mb queue art bandwidth 3Mb