Date: Wed, 27 Jul 2005 02:43:57 -0700 From: Luigi Rizzo <rizzo@icir.org> To: Brad Waite <freebsd@wcubed.net> Cc: freebsd-ipfw@freebsd.org Subject: Re: IPFW + dummynet to lower NNTP traffic priority Message-ID: <20050727024357.A22601@xorpc.icir.org> In-Reply-To: <3265.67.176.75.179.1122435618.squirrel@webmail.wcubed.net>; from freebsd@wcubed.net on Tue, Jul 26, 2005 at 09:40:18PM -0600 References: <3265.67.176.75.179.1122435618.squirrel@webmail.wcubed.net>
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you must put a non-zero bandwidth on the pipe otherwise there is no scheduling (0 means infinite bandwidth). Also these are weights not priorities - even if one of the queues has a very low weight it will still get some bandwidth proportional to its weight. cheers luigi On Tue, Jul 26, 2005 at 09:40:18PM -0600, Brad Waite wrote: > I've been working on a way to keep my outbound NNTP traffic from > interfering with all other traffic. After reading the ipfw(8) man page > and several other resources (including Luigi Rizzo's page), I thought I > had it down: > > ### Outbound > ipfw pipe 1 config bw 0K > ipfw queue 1 config weight 1 pipe 1 > ipfw queue 2 config weight 100 pipe 1 > ipfw add 1000 queue 1 all from any to any out dst-port 119 via fxp0 > ipfw add 1001 queue 2 all from any to any out via fxp0 > > ### Inbound > ipfw pipe 2 config bw 0K > ipfw queue 3 config weight 1 pipe 2 > ipfw queue 4 config weight 100 pipe 2 > ipfw add 1000 queue 3 all from [NNTP server IP] to any in via fxp0 > ipfw add 1001 queue 4 all from any to any in via fxp0 > > My thinking here is that both queues (in each direction) will share all > available bandwidth, but any traffic heading out on port 119 or returning > from the news serverwill be superseded by all other traffic. If there's > no other traffic, NNTP will be able to use all available bandwidth. > > It would appear I'm not grasping the concepts. Can anyone tell me what > I'm doing wrong? > > Thanks, > > Brad Waite > > _______________________________________________ > freebsd-ipfw@freebsd.org mailing list > http://lists.freebsd.org/mailman/listinfo/freebsd-ipfw > To unsubscribe, send any mail to "freebsd-ipfw-unsubscribe@freebsd.org"
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