Re: Does FreeBSD support BBRv2?

In reply to: jaeyong yoo : "Does FreeBSD support BBRv2?"
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From: Paul Procacci <pprocacci_at_gmail.com>
Date: Thu, 16 Jan 2025 20:12:11 UTC

On Thu, Jan 16, 2025 at 3:04 PM jaeyong yoo <y.jaeyong@gmail.com> wrote:
>
> I was trying to find this information and most similar info I can find is this:
>
> https://forums.freebsd.org/threads/how-to-enable-modern-congestion-control-algorythms-bbr2-bbr-and-quic-in-freebsd-12-x-13-x-14-x-15-x.82847/
>
> Can't be sure if it really supports BBRv2 and would like to get an official answer here?

https://forums.freebsd.org/threads/tcp-bbr-congestion-control.83552/

conf/NOTES:options      TCPHPTS

% ls -l /boot/kernel/tcp_bbr.ko
-r--r--r--  1 root wheel 260688 Dec 27 18:19 /boot/kernel/tcp_bbr.ko

AUTHORS
     The tcp_bbr congestion control module was written by Randall Stewart
     <rrs@FreeBSD.org> and sponsored by Netflix, Inc.  This manual page was
     written by Gordon Bergling <gbe@FreeBSD.org>.

Now how bbr differs from bbr2 is unknown to me, but you can contact
the author to ask such a question and get an answer right from the
horse's mouth.

~Paul

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