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

Dave Taht dave.taht at gmail.com
Fri Jun 26 15:13:20 EDT 2015


On Fri, Jun 26, 2015 at 12:11 PM, Mikael Abrahamsson <swmike at swm.pp.se> wrote:
> On Fri, 26 Jun 2015, Dave Taht wrote:
>
>> On Fri, Jun 26, 2015 at 11:58 AM, Dave Taht <dave.taht at gmail.com> wrote:
>>>
>>> On Fri, Jun 26, 2015 at 11:38 AM, Mikael Abrahamsson <swmike at swm.pp.se>
>>> wrote:
>>>>
>>>> On Fri, 26 Jun 2015, Dave Taht wrote:
>>>>
>>>>> Mikael, a simple test of the analysis I just did would be to use
>>>>> ethtool to set your server to 100mbits (ethtool -s
>>>>> your_ethernet_device advertise 0x008 and turn on fq_codel on both the
>>>>> client and server.
>>>>
>>>>
>>>>
>>>> Hm what do you mean by "client" and "server"?
>>
>>
>> your topology is:
>>
>> client box - router - server
>>
>> forcing the router - server link to 100mbit will push the egress
>> buffering into the router for the rrul_50_up test in particular.
>
>
> No, my topology is <client - router - switch - server>, that is what made me
> confused.

> So if I forced the eth0 router-switch link into 100M I will break the
> server->client direction (it'll be shallow buffer fifo) but at least
> client->server direction will exercise fq_codel on the router.

well, maybe the driver will take ethtool on the mvneta. try it. :)

>
>
> --
> Mikael Abrahamsson    email: swmike at swm.pp.se



-- 
Dave Täht
worldwide bufferbloat report:
http://www.dslreports.com/speedtest/results/bufferbloat
And:
What will it take to vastly improve wifi for everyone?
https://plus.google.com/u/0/explore/makewififast



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