ipfw dummynet bandwidth limiting questions
kgc at sonic.net
Tue Nov 18 12:02:33 PST 2003
On Tue, Nov 18, 2003 at 03:48:57AM +0100, Alex de Kruijff wrote:
> On Mon, Nov 17, 2003 at 04:03:52PM -0800, Kelsey Cummings wrote:
> > I've had some trouble getting ipfw to behave as expected. I've got a ipfw
> > box sitting as a firewall and traffic shaper in bridge mode. It's working
> > great for the most part but I'm having trouble getting some specific behavior
> > to work right.
> > I'm currently limiting all outbound streams to 1.5mbits, and this works
> > great. However, I'd also like to setup an overall cap for all traffic to
> > run at 25mbits. I can only get one or the other of these rule/pipe combos
> > to take affect at any given time. I must be missing something obvious:
> > The rules in questions are as follows:
> > add 420 pipe 420 tcp from $slb_www 80 to any
> > pipe 420 config bw 1500Kbit/s queue 35 mask dst-ip 0xffffffff buckets 1024
> > add 440 pipe 440 tcp from $slb_www 80 to any
> > pipe 440 config bw 25Mbit/s queue 100
> > 'ipfw show' shows zero hits on rule 440, it sure seems like it should work.
> The packets are allowed on 420 you can disable this with:
> exec = /sbin/sysctl net.inet.ip.fw.one_pass=0
Alex, any other suggestions? I'd already played with one_pass without
luck, and have tried again.
# sysctl -a net.inet.ip.fw.one_pass
00420 4942806 6549461073 pipe 420 tcp from IP 80 to any
00440 0 0 pipe 440 tcp from IP 80 to any
I tried removing both rules and pipes, adding them back, it hasn't helped.
Kelsey Cummings - kgc at sonic.net sonic.net, inc.
System Administrator 2260 Apollo Way
707.522.1000 (Voice) Santa Rosa, CA 95407
707.547.2199 (Fax) http://www.sonic.net/
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