Troubleshooting Downtime on 900mhz Static WDS

Hello,
We are setting up a wireless topology for very low-bandwidth communications between a series of industrial computers. We are experiencing simultaneous connection dropouts on several sites,


  • The distance between these sites varies, typically between 300 meters and 1200 meters, with 12 sites in total.
  • We are using Metal 9HPn 900mhz radios
  • We are using static WDS routes between each site
  • The attached diagram shows our routes, highlighted in blue, with signals in red.
  • An example configuration is attached.
  • A PingPlotter graph is attached, to help visualize the frequency/duration of downtime.

My questions are posted below. Any information that might help us would be greatly appreciated.

Best Regards,

Brent

(Q#1) I have heard that a signal better than -50 can lead to problems. Might that be the case here?
(Q#2) Site #8 has five connections leading to it. Is this a problem?
(Q#3) Are there any modifications I can make to my configuration to improve uptime? Again, our communications are very low-bandwidth, and reliability is by far our top priority.
2019_03_08_1119_config.txt (3.98 KB)
topology_2019_03_08_1112.png
downtime_example.png