Date: Tue, 12 Jun 2007 16:23:45 -0700 From: Chuck Swiger <cswiger@mac.com> To: Lubomir Georgiev <0shady0recs0@gmail.com> Cc: freebsd-ipfw@freebsd.org Subject: Re: ipfw, pipes, queues, weights and managing an Internet connection Message-ID: <DDCF1062-1C1E-47E4-B02D-0FA46E96692A@mac.com> In-Reply-To: <937e203f0706121610p51fb4a10r265c82bb8858468e@mail.gmail.com> References: <937e203f0706121610p51fb4a10r265c82bb8858468e@mail.gmail.com>
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On Jun 12, 2007, at 4:10 PM, Lubomir Georgiev wrote: > Second, since I'm going to be making changes to your ruleset in > order to > match it to my needs could you please comment it a little because I'm > relatively new to ipfw+dummynet and some of the lines seem *really* > strange > to me... I'm talking about the - iptos,proto,tcpflags, lowdelay and > iplen > commands. They don't make any sence to me and I couldn't find > anything about > the in the man pages... Maybe I'm just stupid? Would you please > explain if > you have the time.... You want to read "man ipfw" carefully. The basic idea is that Mark is trying to match certain specific types of traffic (ie, a packet with IPTOS_LOWDELAY set), or very short ACK- only packets, in order to prioritize them over larger data-oriented stuff like rsync in order to do better for interactive sessions, VoIP traffic, and stuff like that. -- -Chuck PS: After you've read "man ipfw" carefully, think about it for a while, play around with some simple rules, and then re-read it again. It's not quite as dense as RFC-793, but it's not far off, either. :-)
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