Just discovered that it currently seems impossible to use ZeroTeir with L4S which is r

ECN bleaching - RFC6040 not supported about zerotierone HOT 5 OPEN

mrjstrand commented on June 11, 2024

ECN bleaching - RFC6040 not supported

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joseph-henry commented on June 11, 2024

Thank you for this. I can think of a few situations where this was likely the culprit for some issues. We'll work on testing this idea.

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laduke commented on June 11, 2024

What is an easy way to test the effects of this?

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mrjstrand commented on June 11, 2024

As described you can test with ping and check inner and outer header with tcpdump. Like this from a ZT end point: ping -Q 0x01 <another ZT endpoint>

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On Tue, 12 Mar 2024, 19:45 Travis LaDuke, ***@***.***> wrote: What is an easy way to test the effects of this? — Reply to this email directly, view it on GitHub <#2246 (comment)>, or unsubscribe <https://github.com/notifications/unsubscribe-auth/BDC22RVINBEIZ6RUIQTJS5DYX5EOHAVCNFSM6AAAAABEIEOM4OVHI2DSMVQWIX3LMV43OSLTON2WKQ3PNVWWK3TUHMYTSOJSGMZDENRRHE> . You are receiving this because you authored the thread.Message ID: ***@***.***>

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laduke commented on June 11, 2024

Thanks. I see, but what is a test closer a real usecase or application that works better if these bits are set correctly?

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mrjstrand commented on June 11, 2024

To test using L4S you can create a bottleneck with a tool called Jens: https://github.com/telekom/aml-jens then use a L4S enabled congestion control e.g the SCReAM test application: https://github.com/EricssonResearch/scream or e.g. TCP Prague: https://github.com/L4STeam/linux The SCReAM test app provides quite detailed logs over what is observed at the endpoints while the Jens tool provides observation at the bottleneck as well as CE markings. Den tis 12 mars 2024 kl 20:16 skrev Travis LaDuke ***@***.***

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: Thanks. I see, but what is a test closer a real usecase or application that works better if these bits are set correctly? — Reply to this email directly, view it on GitHub <#2246 (comment)>, or unsubscribe <https://github.com/notifications/unsubscribe-auth/BDC22RTANEIAOGOOXML5DBLYX5IBRAVCNFSM6AAAAABEIEOM4OVHI2DSMVQWIX3LMV43OSLTON2WKQ3PNVWWK3TUHMYTSOJSGM3DQMZSGE> . You are receiving this because you authored the thread.Message ID: ***@***.***>

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