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AREDN® Release Notes v3.22.1.0 16 January 2022

 

The AREDN team is pleased to announce the general availability of the latest stable release of AREDN firmware.

 

This release includes many significant improvements in the underlying OpenWRT code and stability/scalability fixes to the OLSR mesh routing protocol.

 

List of Changes:

​

  1. The AREDN  simplified firmware filename standard has been changed to the default OpenWRT convention to leverage data files created at build time for future automation of firmware selection.

    When installing this firmware release, from prior firmware versions, you may get an error message similar to

    “This filename is NOT appropriate for this device.“
    “This device expects a file such as: aredn-3.22.1.0-main-ef2d605-ubnt-nano-m-xw-.*sysupgrade.bin”
    “Click OK to continue if you are CERTAIN that the file is correct”

    Ensure that you are loading the correct file by referring to the downloads page, then safely ignore the warning.   Once this release is loaded, this error message will never occur again.

 

  1. When the size of the hostname and service advertisements exceeded the size of a single network packet, only IP addresses would be known.  The...

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Updated date: Sunday, January 16, 2022 - 16:26


Happy Mesh Year!   Yet another network test!


"PARDEN" the interruption!  October's Meshoween network test was so successful that, we've decided to celebrate with another one at the end of the year.  We'll celebrate New Nodes Eve and then Happy Mesh Year!

Seriously, this is an opportunity to stress the network again after the router storm mitigation patch has time to promulgate throughout the network.  Meshoween also revealed an issue with the performance of the Mesh Status page when the node count got high.  Both these patches were published in nightly builds in early November.  If your node's running a nightly build later than that, you should be good to go.   

The WWL - "World Wide Linkup" will start at 000Z on 1/1/2022  (afternoon of the 31st for the U.S.) and last at least 4 hours.  If you've brought up a tunnel that you don't normally use, feel free to drop it anytime after 4 hours.

So crank up those tunnels and be on the lookout for network wierdnesses.

Updated date: Wednesday, December 29, 2021 - 19:22


Meshchat Usage Poll


We are considering how the future version of AREDN mesh network software might affect the use of the Meshchat application.

Please help us by responding to the Meshchat poll here.

Updated date: Tuesday, December 21, 2021 - 10:22


Report on Meshoween 2021 network test

Note - this report is written from a Southern California perspective. Depending on your location, as they say YMMV!

During the test the node count on the linked networks locally rose to around 1,090.  N2MH's N2MH-Hub saw 1428, most likely a record for an AREDN network.

Observations:

As we hoped, network storms never appeared from our West Coast point of view, and none have been reported to date.  Network traffic was not substantially higher than normal. Using KN6PLV's Mesh Monitor, messages per second were averaging about 600 before the test.  During the test it hovered closer to 700. Most of the increase in traffic was due to OLSR routing broadcasts, which each node has to handle.

As we expected, older devices struggled. Many wound up with a load significantly greater than 1 (which is a full load for a single-CPU device like these), indicating their CPUs were struggling to keep up with their pending processes.  Ssh'ing into a few of them and running top showed that with node counts around 1,000, loads of around 4-5 were seen.  

Things we didn't expect:

While the slower nodes struggled with displaying UI pages, they were usually still able to pass traffic.  But occasionally that older hardware bogged down so much that it couldn't.  Perhaps some effort should be made to prioritize traffic handling...

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Updated date: Sunday, October 31, 2021 - 15:17

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Announcements


AREDN Presentations at SCALE 17X March 10, 2019

There will be two AREDN presentations at the 17th Annual Southern California Linux Expo – SCALE 17X – to be held on March 7-10, 2019 at the Pasadena Convention Center in Pasadena, California, near Los Angeles.

Both presentations will be on Sunday afternoon, March 10 in room 212.

The first talk by Orv Beach, W6BI is titled “The Ham Radio Internet - a Progress Report”. It will start at 15:00 in Room 212.

Orv reports that IP Networking is one of the fastest growing modes in amateur radio.  The ham radio internet (lower-case eye) continues to grow in both capabilities and span. Driven by improvements in custom open source software for wireless access points by AREDN (arednmesh.org) and with their support of more equipment from more vendors, it now covers from Santa Barbara to the Mexican border and east at least to the Inland Empire.  At any given time, there are more than 300 nodes up and running.

He will detail that growth with emphasis on Southern California, with metrics, maps and graphs.  He'll also cover some of the more significant network events, including...

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Yuma Hamfest 2019


Andre, K6AH, will present an update on the AREDN team's open source software development progress and report on useful tools and techniques to ensure a successful mesh network implementation.  His talk "AREDN Project: New developments in software and successful implementations around the Southwestern Division " will be given on Saturday, February 16, 2019 at 11:40 am. Andre will describe new Emcom applications which make the mesh even more usable.

The Yuma Hamfest and ARRL Southwestern Division Convention will be held on Friday and Saturday, February 15 & 16, 2019 at the Yuma County Fairgrounds, 2520 E. 32nd Street, Yuma, AZ 85365. For more information, see the Yuma Hamfest website. For tickets and vendor registrations, see their online registration form. 

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