I've tried last weekend different setups of IPFW + Dummynet in order to
Because my rules did not worked well I've simplified rules as much as
possible, until I've reach basics and I've discovered that, having a
FreeBSD 6.2 router (cvsuped few days ago to stable) with 2 pipes, one
for download and one for upload, downloads from LAN works at full speed
of pipe, uploads from LAN works at 1/3 of pipe speed.
Tests was done for ftp upload and download, on 100 mbps network, 90 mbps
Now my ipfw rules are:
00007 153 15816 allow ip from any to me
00008 144 20434 allow ip from me to any
00010 0 0 allow ip from any to any via lo0
00020 0 0 deny ip from any to 127.0.0.1
04200 23456 43328 pipe 1 ip from 192.168.254.0/24 to any
04300 3453 34322 pipe 2 ip from any to 192.168.254.0/24
65535 0 0 deny ip from any to any
I've tried lot of rules like:
ipfw pipe 1 config bw 90000kbits/s
ipfw pipe 2 config bw 90000kbits/s
ipfw add 100 pipe 1 ip from any to any in recv fxp0
ipfw add 100 pipe 2 ip from any to any out xmit fxp0
I've tried to shape on outgoing too, on 2 interfaces, to shape in both
ways, knowing that shaping is done when packets leave the interface.
Every rule I set, I do not have upload with speed more than 3MBytes/s
(instead of 9MBytes/s)
Download works well.
The only thing that must mentioned is that router is connected to the
other computer from which I do tests (upload&download) using a crossover
with interfaces configured using Vlans on both sides, the same VLAN ID.
(I need this for my complex setup I've tried to achieve).
The computer is P IV 2.8, no other firewall is present, if I "ipfw
disable firewall" the transfer rate on ftp upload is at full network
When using firewall and transferring (uploading), I have 98% CPU idle, I
did not noticed any bottleneck on server, the box is very minimalistinc,
base installation, midnight commander and few small aps.
Anybody have an idea how could I improve upload speed?
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