[Commotion-discuss] Pico's dropping signals in DR2

Dan Hastings dhastings at abaarsotech.org
Fri Oct 4 05:18:29 UTC 2013


I'm pretty sure the top LED light was blinking.  How can I disable
Serval? I would like to see if that solution works over here. 
On 10/3/13 3:42 PM, Dan Staples wrote:
> Hi Dan,
>
> Are you able to see if the router is rebooting during those periods 
> when it drops connections? The top LED would be blinking. We've been 
> seeing some DR2 reboot problems here with the network we set up for a 
> conference. We disabled and turned off Serval on the nodes, and that 
> has so far fixed the reboot problem...but it also prevents app 
> advertisement from working. So we're going to try to find a fix for 
> this as soon as possible.
>
> I'm not sure about the problem where you can't connect to the internet 
> or get the splash page. Maybe could you give us the debug output the 
> next time that happens? It's under the Commotion menu from the web 
> admin interface.
>
> Dan
>
> On Thu 03 Oct 2013 06:15:24 AM EDT, Daniel Hastings wrote:
>> Howdy Commotion Community,
>>
>> I’ve been having problems with one of my nodes labeled Computer-Lab. I
>> do not think I experienced these problems until I upgraded to DR2. The
>> computer-lab is configured to mesh through Ethernet but also has
>> meshed with the outdoor node training-center.
>>
>> During the last few days during class while students were using the
>> network I tried to download a file from the FP server.  Download
>> speeds where very high but halfway through during the download the
>> computer-lab node disconnected every students computer and lost the
>> signal from the computer-lab.  About 20 seconds later we were able to
>> re-connect to the computer-lab again.  The same thing also happened
>> when I tried downloading a file from the internet as well at another
>> separate time.  I've also heard from students that they have
>> experienced the same problem with some of the other nodes where all of
>> the signal suddenly dropped and then returned 30 seconds later.
>>
>> Also, this morning when I tried to connect to the Internet in the
>> computer lab I did not receive the splash screen or connect to the net
>> even though once I logged into the router could see that I was
>> successfully meshed and could ping the default gateway from the router
>> without an issue.
>>
>> The same problem happened two days ago with my central-tower node.
>>
>> I know that near one of the nodes we have a cable TV coming into the
>> school via an antennae which may operate on a similar frequency
>> because the students cannot watch TV when the node that is closest to
>> the antenna is plugged in.  However, the antenna for the TV is not
>> always plugged in so when I had the other issues with the signal
>> dropping during the day the TV definitely did not have power.
>>
>>
>> Any help would be greatly appreciated. Thanks
>>
>>
>> --
>> *Dan Hastings*
>> /Abaarso School Computer Science Department/
>> dhastings at abaarsotech.org <mailto:dhastings at abaarsotech.org>
>>
>>
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> --
> Dan Staples
>
> Open Technology Institute
> https://commotionwireless.net
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