FreeBSD 5.3BETA5 slow network

[Robert Watson]

On Tue, 21 Sep 2004, Rumen Telbizov wrote:

> I've been using FreeBSD 5.3 since BETA2 and I have this network
> performance problem.  My network is very slow. I am on a 100Mbit Lan and
> when I download a file over it from the box next to me I achieve speed
> of 40KB/s maximum. My previous OS was 4.10 and I did not have this
> problem. No hardware change made! 
> 
> I read UPDATING and tried to set debug.mpsafenet = 0.  Unfortunately it
> is readonly and cannot be set.  My default value of debug.mpsafenet is
> 1! 
> 
> Putting it into loader.conf doesn't do the trick either. Nor does
> putting "options NET_WITH_GIANT"  into the kernel. 
> 
> My system is:  5.3-BETA5 FreeBSD 5.3-BETA5 #3: Mon Sep 20 19:00:21 EEST
> 2004
> 
> Any ideas are welcome.  Thank you in advance. 

Could you provide dmesg output and kernel configuration?

Robert N M Watson             FreeBSD Core Team, TrustedBSD Projects
robert at fledge.watson.org      Principal Research Scientist, McAfee Research