On Mon, Jun 05, 2006 at 02:43:47PM +0700, art wrote: > Hello all! > I work with processor: MIPS 4KC. > I check network performance without iptables & conntrac enabled > and it has near 80Mbit/s. > When I enable (without adding rules) network performance was > near 40Mbit/s. > While testing ksoftirqd is get near 50% of cpu. And (it is so > strange) top eats the same! However cpu has 100% load and > perfomance is real bad. > Has anybody same problem? Just loading the connection tracking module will pull networking performance into a deep hole, no surprise there. All your numbers are on the low side though. What clock rate is your CPU running? Ralf