pf traffic shaping and perfomance
- From: Zbigniew Szalbot <zszalbot@xxxxxxxxx>
- Date: Wed, 23 Apr 2008 08:55:44 +0200
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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