From: Jonathan Morton <chromatix99@gmail.com>
To: Sebastian Moeller <moeller0@gmx.de>
Cc: "Dave Täht" <dave.taht@gmail.com>,
"Cake List" <cake@lists.bufferbloat.net>
Subject: Re: [Cake] sometimes I worry about cobalt's effectiveness
Date: Tue, 14 Dec 2021 17:27:04 +0200 [thread overview]
Message-ID: <80B322E2-FF49-48D6-8ED4-9D7BA0149AF2@gmail.com> (raw)
In-Reply-To: <C61E5D84-1955-472D-B203-B70EAAB3EAB4@gmail.com>
>> On 14 Dec, 2021, at 11:59 am, Sebastian Moeller <moeller0@gmx.de> wrote:
>>
>> Could we maybe introduce a no-ecn keyword to switch cake to drop only mode? If only to help diagnose ECN issues?
>
> Inserting a firewall rule *before* Cake to force the ECN field to Not-ECT should suffice for this purpose.
Addendum: either this firewall rule should ignore packets that are already CE-marked, *or* a second firewall rule which *drops* CE-marked packets should be inserted as well. This avoids erasing congestion information from any upstream AQM.
- Jonathan Morton
prev parent reply other threads:[~2021-12-14 15:27 UTC|newest]
Thread overview: 8+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-12-12 19:34 Dave Taht
2021-12-13 17:45 ` Jonathan Morton
2021-12-13 17:51 ` Dave Taht
2021-12-14 6:06 ` Dave Taht
2021-12-14 9:57 ` Jonathan Morton
2021-12-14 9:59 ` Sebastian Moeller
2021-12-14 10:01 ` Jonathan Morton
2021-12-14 15:27 ` Jonathan Morton [this message]
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