[MVMA] New AREDN Product Release - OpenWRT v21.02 based

[Chuck Gelm]

OpenWRT v21.02 based.
3.21.4.0 is OpenWRT v19.07 based.

 From Orv Beach W6BI:

*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.

    2. When the size of the hostname and service advertisements exceeded 
the size of a single network packet, only IP addresses would be known.  
The advertised services and hostname would not propagate to other nodes 
on the network.  The OLSR routing protocol was changed to fix this.
    3. The OLSR scalability failure, commonly called“OLSR storms”, has 
been fixed.  Large networks with hundreds of nodes would experience 
cycles of routing disruption, making the network unusable.  The root 
cause was identified and changes made to the OLSR routing protocol to 
remedy this.
    4. SNR history may be missing neighbor node names – fixed.
    5. When defining a local location of packages in Advanced 
Configuration, there was no way to change the location of some packages 
obtained from the upstream Freifunk group.  The Advanced Configuration 
page now has a row to define this local location.
    6. Performance improvements were made to the mesh status page based 
on results from the large scale stress test held on Oct 31, 2021.
    7. Local alerts as configured on the Advanced Configuration page can 
now have zones which allow a mesh user to subscribe to alert messages 
affecting a specific locale.
    8. Allowed number of tunnel connections is now configurable on the 
Advanced Configuration page.
    9. There are numerous API updates.




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