Discussion of explicit congestion notification's impact on the Internet
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From: Jeremy Harris <jgh@wizmail.org>
To: ecn-sane@lists.bufferbloat.net
Subject: Re: [Ecn-sane] Issue with negotiating ECN with Cloudflare hosts?
Date: Thu, 19 Sep 2019 19:26:10 +0100	[thread overview]
Message-ID: <8e8e5d6a-a378-ef91-5cf0-21633a170aa5@wizmail.org> (raw)
In-Reply-To: <87o8zgdvka.fsf@toke.dk>

On 19/09/2019 18:50, Toke Høiland-Jørgensen wrote:
> Is anyone else experiencing problems negotiating ECN when connecting to
> Cloudflare? I see this for most sites protected by Cloudflare (such as
> bufferbloat.net), but only when using IPv4:

> I've opened a support request with my ISP, but thought I'd ask if anyone
> else was seeing this? (Is anyone else running with ECN enabled?)

Works for me:

[jgh@lap ~]$ cat /proc/sys/net/ipv4/tcp_ecn
1
[jgh@lap ~]$ curl -v 1.1.1.1
*   Trying 1.1.1.1:80...
* TCP_NODELAY set
* Connected to 1.1.1.1 (1.1.1.1) port 80 (#0)
> GET / HTTP/1.1
> Host: 1.1.1.1
> User-Agent: curl/7.65.3
> Accept: */*
>
* Mark bundle as not supporting multiuse
< HTTP/1.1 301 Moved Permanently
< Date: Thu, 19 Sep 2019 18:23:34 GMT
...


-- 
Cheers,
  Jeremy

  reply	other threads:[~2019-09-19 18:26 UTC|newest]

Thread overview: 6+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2019-09-19 17:50 Toke Høiland-Jørgensen
2019-09-19 18:26 ` Jeremy Harris [this message]
2019-09-20  7:24 ` [Ecn-sane] [Bloat] " Jesper Dangaard Brouer
2019-09-20  7:49   ` Marek Majkowski
2019-09-20  9:38     ` Toke Høiland-Jørgensen
2019-09-20  9:41   ` Toke Høiland-Jørgensen

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