Date: Wed, 16 Nov 2005 16:50:11 -0600 From: Matthew Grooms <mgrooms@seton.org> To: Max Laier <max@love2party.net> Cc: freebsd-pf@freebsd.org Subject: Re: Traffic Shaping with pf ... Message-ID: <437BB7A3.2080005@seton.org> In-Reply-To: <200511162319.58857.max@love2party.net> References: <437BB031.9090504@seton.org> <200511162319.58857.max@love2party.net>
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Max Laier wrote: > On Wednesday 16 November 2005 23:18, Matthew Grooms wrote: > >> I have a couple of firewalls running freebsd 5.4 and pf and was >>planning to use ALTQ for traffic shaping. But after doing a bit of >>reading, it would seem that ALTQ only works on traffic passing outbound >>on an interface. Since most of the traffic passing through my firewall >>is http and ftp traffic, the inbound direction is the path being >>saturated. Did I read the ALTQ documentation wrong or is there another >>mechanism available for use with pf that could help me prioritize >>bandwidth usage? > > > You can not control inbound traffic! You can not control what other people > sent to you! It's impossible. The only way to do it is to limit *outbound* > traffic on an upstream router. > Max, As always, thanks for your reply. Sounds like you may have heard this question once or twice ;) Sorry for being naive. I understand what you are saying and this makes sense to me. But would it stand to reason that if you limit the rate of packets in a TCP stream that the windowing would slow the generation of traffic from the source host? I understand UDP is another animal all together. Do pipes in ipfw only effect outbound traffic on an interface? Thanks, -Matthew
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