[Cerowrt-devel] performance numbers from WRT1200AC (Re: Latest build test - new sqm-scripts seem to work; "cake overhead 40" didn't)

Sebastian Moeller moeller0 at gmx.de
Sat Jun 27 19:13:41 EDT 2015

Hi Dave, hi Mikael,

On Jun 27, 2015, at 19:59 , Dave Taht <dave.taht at gmail.com> wrote:

>> [...]
> Yea, well, you need to use a diffserv enabled test to see marks or
> drops in other queues.
> Sort of my hope is that cake can run at 940mbit with software rate
> limiting. But we probably need to find ways of parallizing the needed
> softirq.

	If we go that route we need to remember adding the 20 bytes worth of inter frame gap and preamble to the per packet overhead (in addition to the 18 bytes of “normal” ethernet header with frame check sequence), otherwise the shaper will not do what we expect it to at small packet sizes.

Best Regards

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