Since 6.1 I think the max is 2M, and not 256k. Many programs will also allow you to bump limits using setsockopt.
2017-09-14 11:15 GMT+02:00 Andreas Krüger <a...@patientsky.com>: > Hi All, > > I am wondering why there is no option to set the max tcp window > scaling sizes for send and receive since version 4.9. > I saw in the change log, that it was converted to auto scaling, but > the max values are now hardcoded and removed from sysctl, for some > reason? > > The problem is, I have two OpenBSD machines connected on WAN on 1 > gigabit, with a 17 ms delay between them, which means I need to have a > bigger tcp scaling window than 256 KB to use the full 1 gigabit. > > How would i change these values? On FreeBSD you still have the option for > > net.inet.tcp.recvspace=262144 > net.inet.tcp.sendspace=262144 > > Etc. > > Regards, > Andreas > > -- May the most significant bit of your life be positive.
