[Build] Apparent network latency issue?

Casey Callendrello c1 at caseyc.net
Fri Sep 26 22:44:19 UTC 2014


The wifi was working *perfectly* last night. There were a ton of people,
and it was working really well.

I honestly don't know what could be going on. Consider the source.

Rubin, what is that networking project your doing? It looks neat.

--Casey

On 9/26/14 9:08 AM, Torrie Fischer wrote:
> FWIW, here's a rather out of date wiki page that could get some love:
>
> https://noisebridge.net/wiki/Network_Troubleshooting
>
> And yes I realize the great irony of hosting instructions on how to regain 
> internet access at the space on the internet, but a copy will periodically get 
> printed up and nailed to the wiring closet door.
>
>
> On Friday, September 26, 2014 01:06:56 AM Rubin Abdi wrote:
>> I got a disjointed voice mail from Rayc about latency issues on the wifi
>> in the space. Without any metrics I can't actually help out. A good
>> place to start would be to use the tool mtr to run a traceroute to
>> something like 8.8.8.8...
>>
>> https://en.wikipedia.org/wiki/MTR_(software)
>>
>> ...and actually figure out where the slowdown is coming from.
>>
>> As far as wifi usage for the last 24 hours goes, at around 17:54 (when
>> Rayc called), there were about 20-30 users on the wifi, and over an hour
>> about 1gb was pushed over it in total. All in all well under any maximum
>> limit the APs can handle.
>>
>> To note, around 05:00 to 07:00 this morning (Thursday), one or multiple
>> wireless clients pushed around 18GB of data. There were approximately 16
>> wireless clients connect. As another side note, based off historical
>> logging data there isn't any real way to determine if these users (or
>> any users in fact) are sitting inside Noisebridge, or neighbors enjoying
>> our free wifi from the outside. However right this minute I can
>> speculate that there are 9 client devices using the wifi most likely
>> from within the space.
>>
>> Additionally I can tell you someone restarted biketrailer at 17:36. It
>> would be really appreciated if folks didn't use resetting internet gear
>> as a generalized large hammer to attempt to fix issues without trying to
>> debug what's going on first.
>>
>> I am currently having SSH issues back to biketrailer, which leads me to
>> believe that the earlier reported problem is most likely Monkeybrains
>> and not us.
>>
>> The point to point wifi gear I had setup yesterday (Wednesday), was used
>> for about 10 minutes, and hasn't really been touched since then. I will
>> most likely unplug and remove it from the network tomorrow (Friday).
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