Slow networkperformance in current?

[Michael S. Eubanks]

On Fri, 2007-07-20 at 17:58 +0200, Ståle Kristoffersen wrote:
> On 2007-07-19 at 10:51, Andrew Gallatin wrote:
> > 
> > Ståle Kristoffersen writes:
> >  > On 2007-07-16 at 15:53, Kip Macy wrote:
> >  > > Please post the config you are using.
> >  > 
> >  > lrwxr-xr-x  1 root  wheel     2B Apr 12 15:42 /etc/malloc.conf -> aj
> >  > 
> >  > /etc/sysctl.conf:
> >  > vfs.vmiodirenable=1
> >  > net.inet.tcp.delayed_ack=0
> >  > net.inet.ip.forwarding=1
> >  > net.inet.tcp.inflight.enable=0
> >  > 
> >  > (I have tried commenting out all those lines, no difference.
> > 
> > You definately want to comment out at least net.inet.tcp.delayed_ack=0
> 
> Ok, didn't do much for the speed.
> 
> > Try temporarily setting net.inet.tcp.sendbuf_auto=0 and
> > net.inet.tcp.recvbuf_auto=0 and see if that changes anything.
> > 
> > I've seen strange issues with IPv6 and the automatic buffer sizing,
> > perhaps you're somehow running into the same thing with IPv4.
> 
> No change in the speed.
> 

What is the quality of the cabling?  Can the cable be shortened or
swapped for testing?


-Michael S. Eubanks
 mse_software at charter.net