[Battlemesh] Internet at the venue works :-)

[Dave Taht]

Is fq_codel in use on the main backhaul?

If enabled with ecn, conference participants can get a little less
packet loss if they enable ecn on their laptops. Instructions for all
OSes are here: http://www.bufferbloat.net/projects/cerowrt/wiki/Enable_ECN

On Wed, Aug 5, 2015 at 10:45 AM, Dave Taht <dave.taht at gmail.com> wrote:
> On Wed, Aug 5, 2015 at 10:33 AM, Mitar <mitar at tnode.com> wrote:
>> Hi!
>>
>> It was combination of some hardware issues and human issues:
>>
>> - one fiber connection we have failed on one remote roof
>> - one ethernet jack was not done well and was losing packets
>> - one remote router had an ethernet port failure
>> - because of the ethernet port issue on OpenWrt & Ubiquiti (reported a
>> week ago) we have some things sub-optimally done through bridging, so
>> less fail-over and best route selection (so we had to manually drop some
>> links, because OLSR does not support route filtering like Babel does)
>> - so because of this initial hardware issues some people were trying to
>> be helpful and were modifying cables on the table and other stuff, which
>> made things worse and hard for us to debug
>> - and later on when we fixed all hardware issues, there was still your
>> QoS configuration from a day ago
>>
>> So, yea, mostly bad luck. :-) And no WiFi issues, just everything else.
>> :-) WiFi links worked well from the  beginning. :-)
>>
>> So currently the venue has a nice uplink. Internally, the spectrum is
>> crowded, but we cannot really do much about this if we do not want to
>> use too much spectrum away from testing. I am not sure what channels
>> does the testbed need. We put APs on 1 and 13 for now.
>
> 1) Presently the link I put in in the conference room (babel-lecture)
> is on backhauled  channel 36 and 11 for the ap, HT20. It is natted off
> from the main net. If you want to assign some 10 space or suggest
> something different back there?
>
> 2) I would imagine that most laptops here have 5ghz capabillity,
> perhaps we could dedicate another 5ghz channel for conference use, and
> agree to keep the rest clear for testers? 40? 44?
>
> I suggested using 161 and 165  for this:
> http://battlemesh-test-docs.readthedocs.org/v8/3-the-mesh-of-death-adversity.html
> - and 1 and 11. perhaps  6 and 11?
>
> What are the other tests going to use?
>
>>
>> Mitar
>>
>>> I would certainly love to have a blow by blow account of what has gone
>>> wrong so far and how it was fixed so far.
>>>
>>> (I know I am at fault for semi-fixing it with qos one day, and having
>>> it be too slow the next)
>>>
>>> I note that at least some of the problems we have had were by having
>>> too much load on the system... I have observed latencies well in
>>> excess of 2 seconds over the course of the last  few days, in addition
>>> to major loss.
>>>
>>> and if we all come, it might break again.  (Look! a pool! Wheee!)
>>>
>>> Are there any statistics being collected on the path from here to there?
>>>
>>> If you like I could put up a mrtg snmp sampling various bits of the
>>> path, and also smokeping is of use.
>>>
>>>
>>>
>>> On Wed, Aug 5, 2015 at 9:11 AM, Mitar <mitar at tnode.com> wrote:
>>>> Hi!
>>>>
>>>> Report from the venue: it works 30/15 Mbit/s. :-)
>>>>
>>>> You can all come. :-)
>>>>
>>>>
>>>> Mitar
>>>>
>>>> --
>>>> http://mitar.tnode.com/
>>>> https://twitter.com/mitar_m
>>>> _______________________________________________
>>>> Battlemesh mailing list
>>>> Battlemesh at ml.ninux.org
>>>> http://ml.ninux.org/mailman/listinfo/battlemesh
>>>
>>>
>>>
>>
>> --
>> http://mitar.tnode.com/
>> https://twitter.com/mitar_m
>> _______________________________________________
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>> Battlemesh at ml.ninux.org
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>
>
>
> --
> 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



-- 
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