[Cerowrt-devel] Problems testing sqm

Richard Smith smithbone at gmail.com
Fri Oct 23 13:48:15 EDT 2015

On 10/23/2015 01:22 PM, Aaron Wood wrote:

> On Fri, Oct 23, 2015 at 9:10 AM, Richard Smith <smithbone at gmail.com
> <mailto:smithbone at gmail.com>> wrote:
>     I have a shiny new Linksys WRT1900ACS to test.
>     I thought it might be nice to start with some comparisons of factory
>     firmware vs OpenWRT with sqm enabled.
> Here are my results with the same router (unless the WRT1900ACS is
> different from the WRT1900AC):
> http://burntchrome.blogspot.com/2015/06/sqmscripts-before-and-after-at-160mbps.html
>     So I built and installed an openwrt trunk but the results were very
>     non-impressive.  Rrul test reported mulit-seconds of latency and it
>     was equally non-impressive with sqm enabled or disabled.  So I
>     assumed that sqm in trunk on this device must not work yet.  Then I
>     wondered how well sqm in trunk was tested and that perhaps its
>     broken for all devices.
> Trunk or the Chaos Calmer release?  (I"m running CC RC1)

If I understand your question correctly I did both.  I built trunk (for 
both WRT1900ACS and WNDR700v2. Then downloaded the current CC from 
openwrt.org and installed sqm.

>     My test setup:
> Which ports on the DUT were you using?  are those local ports, or is one
> of those the "internet" port?

I was using both WAN & LAN.

Laptop<--1000BaseT-->DUT LAN<-->DUT WAN<--1000baseT-->Server

Richard A. Smith

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