How to enable tcp bbr in FreeBSD???

[Neel Chauhan]

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-rwg at 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                                                 
>> rgrimes at freebsd.org
>> _______________________________________________
>> freebsd-current at freebsd.org mailing list
>> https://lists.freebsd.org/mailman/listinfo/freebsd-current
>> To unsubscribe, send any mail to 
>> "freebsd-current-unsubscribe at freebsd.org"
> 
> _______________________________________________
> freebsd-current at freebsd.org mailing list
> https://lists.freebsd.org/mailman/listinfo/freebsd-current
> To unsubscribe, send any mail to 
> "freebsd-current-unsubscribe at freebsd.org"