[quagga-users 14096] Re: enabling ECN

Mikael Abrahamsson swmike at swm.pp.se
Thu Aug 6 07:51:44 BST 2015

On Thu, 6 Aug 2015, durga wrote:

> H
> ​i Mikael,
> I am currently looking at setting buffer limits and observe the packets for
> ECN flag. I am not yet planning to mitigate the effects of congestion by
> implementing Fair Queueing,
> The ecn flag as in /proc/sys/net/ipv4 is set to 2 which I think indicates
> that the host responds an to incoming packets activated with ecn but
> doesn’t trigger outgoing packets ​with ecn, I might have misunderstood it
> though.

This is for packets that are actually originated or ultimately destined to 
the host. This flag does nothing for packets being routed through the 
machine. Just want to make that clear so there is no misunderstanding.

Mikael Abrahamsson    email: swmike at swm.pp.se

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