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Date: Fri, 31 Oct 2014 00:16:37 +0100 From: Florian Westphal <fw@...len.de> To: Eric Dumazet <eric.dumazet@...il.com> Cc: Florian Westphal <fw@...len.de>, David Miller <davem@...emloft.net>, netdev@...r.kernel.org Subject: Re: [PATCH -next 0/2] net: allow setting ecn via routing table Eric Dumazet <eric.dumazet@...il.com> wrote: > On Thu, 2014-10-30 at 23:15 +0100, Florian Westphal wrote: > > > Do you think a fallback to non-ecn for retransmitted syns would help? > > Unfortunately some firewalls are buggy and accept a single SYN per flow. [..] > Note that ECN problems are not only contained in SYN packets being > eventually dropped. You might have a success to establish a flow, and > later get CE marks for all packets and cwnd converges to 1. I see. So that makes ecn=1 default a pure fantasy. Thanks for explaining this. -- To unsubscribe from this list: send the line "unsubscribe netdev" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html
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