On 2009-06-06, Alexander Hall <alexan...@beard.se> wrote: > Jan Klemkow wrote: >> hi, >> >> I've a problem with the network speed. >> If I download the a file with openbsd, >> it has only a speed round about 250 kBit/s >> >> I could start several downloads with the same speed. >> So that a program like aget has a speed from 600 till 900. >> >> I've this effect with all programs like >> Firefox, wget and curl. >> >> On the same machine with Windows or Linux >> the speed goes up from 600 till 900kBit/s. >> >> Does somebody know why this happen? >> Driver problem? or a simple configuration? > > try bumping these sysctl's: > > net.inet.tcp.recvspace=16384 > net.inet.tcp.sendspace=16384 > > Based on 250/90*16384, I'd try something around 64k.
using 65535 rather than 65536 can avoid some possible problems with network paths that don't handle wscale correctly.
