Not OP, but would BBR work with VNET, or is that a WIP?
I'm sorry if none of you are familiar with VNET.
-Neel
===
https://www.neelc.org/
BTW: Not neel@ the committer
On 2020-04-24 12:25, Michael Tuexen wrote:
On 24. Apr 2020, at 21:06, Rodney W. Grimes
<freebsd-...@gndrsh.dnsmgr.net> wrote:
On Fri, Apr 24, 2020 at 01:31:35PM +0200, Kurt Jaeger wrote:
Thanks. Is BBR active automatically or is there a sysctl or
socket option to activate it ?
net.inet.tcp.cc.available: List available congestion control
algorithms
net.inet.tcp.cc.algorithm: Default congestion control algorithm
Start at:
man mod_cc
BBR is conceptually a CC, but in FreeBSD it is NOT implemented as a CC
module.
It is a TCP stack. You need to load it using
kldload tcp_bbr
and then either make it the default by
sudo sysctl net.inet.tcp.functions_default=bbr
or use the IPPROTO_TCP level socket option TCP_FUNCTION_BLK to set the
stack
to BBR. The uperf test tool allows to set the TCP stack for
measurements.
Please note that you need to compile the kernel with
makeoptions WITH_EXTRA_TCP_STACKS=1
options TCPHPTS
Best regards
Michael
--
Rod Grimes
rgri...@freebsd.org
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