Op 24-04-2020 om 15:37 schreef Kurt Jaeger:
Hi!
You can enable the stack globally on new connections without
restarting the box or daemons by running these commands:
kldload tcp_bbr
sysctl net.inet.tcp.functions_inherit_listen_socket_stack=0
sysctl net.inet.tcp.functions_default=bbr
This fails on the box running 13.0:
# kldload tcp_bbr
kldload: can't load tcp_bbr: No such file or directory
So it looks it has to be hooked to the build somehow ?
And: man -k bbr has no results as well...
The commit message says the following:
This commit adds BBR (Bottleneck Bandwidth and RTT) congestion control. This
is a completely separate TCP stack (tcp_bbr.ko) that will be built only if
you add the make options WITH_EXTRA_TCP_STACKS=1 and also include the option
TCPHPTS. You can also include the RATELIMIT option if you have a NIC
interface that
supports hardware pacing, BBR understands how to use such a feature.
So i think you need te rebuild with the following option set
WITH_EXTRA_TCP_STACKS=1
regards
Johan Hendriks
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