[Bug 235333] SSH data transmission speed unnecessarily slow due to IPQoS default setting

From: <bugzilla-noreply_at_freebsd.org>
Date: Thu, 19 Jan 2023 00:22:03 UTC

Xin LI <delphij@FreeBSD.org> changed:

           What    |Removed                     |Added
           Assignee|bugs@FreeBSD.org            |des@FreeBSD.org
                 CC|                            |delphij@FreeBSD.org,
                   |                            |emaste@freebsd.org
             Status|New                         |Open

--- Comment #2 from Xin LI <delphij@FreeBSD.org> ---
+des@ and emaste@.

Some of my notes:

1) the IPQoS setting of 'af21' was from upstream:
.  This happened to FreeBSD in d46065df2d60b (OpenSSH 7.8p1 import).

2) Debian reverted it in
citing compatibility issues with VMWare, as discussed in
https://bugs.launchpad.net/ubuntu/+source/openssh/+bug/1822370 and in #20 it
was fixed in a future version of VMWare (as of 2019-04-03), as well as iptables
the revert is supposed to be "temporary", but it stayed as of today.

Related Debian bugs:

 - https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=926229 [VMware]
 - https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=923879 [iptables]

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