Date: Wed, 23 Apr 2008 08:55:44 +0200 From: Zbigniew Szalbot <zszalbot@gmail.com> To: freebsd-questions@freebsd.org Subject: pf traffic shaping and perfomance Message-ID: <0cffa49967a87486dca37f253a3c60b5@localhost>
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Hello, I would like to implement traffic shaping using pf. I know I need to recompile kernel to be able to achieve this but I have a more general question. I used to have pf with traffic shaping on a Pentium III 866 before and as soon as I activated it, the http response of the box was noticably slower. Here are the defs I used then: #altq on $ext_if cbq bandwidth 512Kb queue { def, smtp, udp, http, \ #ssh, icmp } #queue def bandwidth 13% cbq(default borrow red) #queue smtp bandwidth 25% cbq(borrow red) priority 7 #queue udp bandwidth 10% cbq(borrow red) #queue http bandwidth 40% cbq(borrow red) #queue ssh bandwidth 10% cbq(borrow red) ##{ ssh_interactive, ssh_bulk } ##queue ssh_interactive priority 7 #queue ssh_bulk priority 0 #queue icmp bandwidth 2% cbq It is quite possible that I misconfigured the shaping (as seen above). What would be suggested traffic shaping rules to allow smooth mail operation (smtp taking up to 40% of allowed bandwidth) and http responses? If that matters, uname -v FreeBSD 7.0-RELEASE #0 Many thanks in advance! Zbigniew Szalbot
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