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From: Dave Taht <dave.taht@gmail.com>
Date: Tue, 12 Jan 2021 20:48:20 -0800
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Subject: [Ecn-sane] what does ecnseen really mean?
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from a random box with bbr on and tons of connections.

```
% sysctl -a | fgrep ecn
net.ipv4.tcp_ecn =3D 2
net.ipv4.tcp_ecn_fallback =3D 1

% ss -antie 'src x.y/16' | fgrep bbr | fgrep -c ecn
524

% ss -antie 'src x.y/16' | fgrep bbr | fgrep -c ecnseen
484

% ss -antie 'src x.y/16' | fgrep bbr | wc -l
22037
```



--=20
"For a successful technology, reality must take precedence over public
relations, for Mother Nature cannot be fooled" - Richard Feynman

dave@taht.net <Dave T=C3=A4ht> CTO, TekLibre, LLC Tel: 1-831-435-0729