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Network Test Saturday, October 30th

As an AREDN network grows in size and/or complexity, it will eventually encounter a packet storm that would pretty much cripple its traffic-carrying capabilities until the storm fades out, which could be hours.  (The writers of the OLSR mobile routing protocol probably never envisioned it having to handle networks of the size amateurs are creating.)  This is significantly limiting the growth and performance of our networks.

Recently released nightly build 571 provides a substantial amount of resistance to these storms.  As a test of the network's robustness (or not) Saturday October 30th at 9 a.m. local we'll attempt to link as many AREDN networks together as possible.  

We did a 'test test' earlier in the week on the West Coast when the Southern California and Bay area networks were linked.  Node counts got up to a bit over 800 and few reports were received, so we're ready for Saturday!

Test preparation

Prior to Saturday's test, it's recommended that in order to protect your node(s) that you upgrade them to the latest nightly build (599 as of this writing).  This is especially important on nodes that pass data through (as opposed to being an end-point on a network).  

Also prior to Saturday, establish some baseline performance measurements on your network.  Suggestions are:

  • Quality of VOIP phone calls
  • iperf throughput...
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Updated date: Thursday, October 28, 2021 - 11:22


Meshoween is in a week!

Folks, next Saturday is Meshoween, where nasty packet storms strike terror into the most experienced ham network user :-)

Seriously, we'll be linking up big and small networks to see how our ham radio networks handle huge routing table broadcasts.

If you haven't yet updated your node(s) to nightly build 571 (or later), please seriously consider doing so.  It will  help your node fight off any scary packet storms!

Monitoring instructions will be promulgated a day or two prior to Meshoween.

Updated date: Saturday, October 23, 2021 - 17:31


It's Linktober!  "Meshoween" is coming :-)


We've found that as networks grow both in node count and complexity, it's almost inevitable that they'll suffer from a packet storm (or storms) eventually.

Now that the patch for mitigating those network packet storms has been rolled into an AREDN nightly build, we've decided that it's time to stress-test our network.  On October 30th (starting at say, 9 a.m. local time) we'll attempt to link as many networks together to see how the network behaves.  If you have a long-haul tunnel that you can bring up, feel free to do so.

HOWEVER, if you decide to participate in the test, or think you might be on a network that gets linked in, it's highly recommended that you update your node(s) to nightly build 571 or later to "inoculate" them against a possible incoming network storm.

Before October 30th, we'll provide a reminder and instructions on what to monitor during the test.
Thanks in advance for your consideration!  Please pass this along to your AREDN network neighbors.

Updated date: Monday, October 18, 2021 - 22:22


AREDN Conference 


The AREDN team decided to revisit the idea of an AREDN Conference in the Spring of 2022. There are currently a lot of tasks in progress with few of them far along enough to be interesting topics for a presentation.
Continue to watch the AREDNmesh.org website for updates.

 

Updated date: Thursday, September 16, 2021 - 10:12

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Announcements


Standardized NanoStation XM Ethernet port configuration


The NanoStation XM devices now have fully functional ports - both main and secondary.   This capability will be in Dec 3, 2018 nightly build.   The behavior is now same as NanoStation XW devices.   POE Passthough is also functional.   

This new capability means the following usage is significantly simplified to setup.   At local community events when setting up ipCams around a parade route or event area, there can be a station with 2 nodes -- incoming link on one channel/band and outgoing link on another channel/band.  This means many HD video quality signals can go through the station as this relay station does not share the same frequency.

Before:   

2 mesh nodes, 1 ipCam, 1 5-port switch, 4 way power split to all devices, junction box.   Lots of labor and points of failure to build and configure the enclosure and cabling.

After:

2 mesh nodes, 1 ipCam, daisy chain the cat5 cables though these devices, no enclosure.   


Issues to consider when deploying:


1) I've seen a NSM2 XM device...

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AREDN Documentation Repository

Thanks to a great suggestion and some content from Steve KC0EUW, we now have an AREDN document repository on GitHub.

If you just want to read what is in the library, you can view the docs on ReadTheDocs.io at https://arednmesh.readthedocs.io/en/latest.
You can also find this documentation by clicking on the Docs menu item on the front page and making your choice from the dropdown list. 
We added a new Network Design Guide to help you in planning your local AREDN mesh network.

If you are interested in contributing to the rapidly growing set of AREDN related information, you can easily do so on GitHub. This works the same way as if you were contributing code to the project.
There are detailed instructions on how you can contribute to AREDN documentation in the README.md file 

Summary Instructions:
After...

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