User's Manual

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Advanced Settings
Multi-hop optimization
The multi-hop optimization option increases the overall throughput of the mesh by reducing the
amount of contention between radios that are separated by multiple hops. Normally this option
should be enabled since most mesh networks will have multiple hops between radios. However,
you should disable this mode if you have a fully meshed scenario where all modes connect
directly to every radio with a single hop.
For point to point or point to multipoint network configurations this mode should be disabled.
RSSI Threshold
The RSSI Threshold allows you to set the quality threshold for wireless links. Any links that drop
below the threshold will not be used for routing traffic. For the routing ability of the link to be
restored, the RSSI must achieve the Threshold setting PLUS the Hsyteresis Window setting. For
example if the RSSI Threshold is -80 dBm and the Hsyteresis Window is 3 dBm, routing over the
link will not be restored until its RSSI is -77 (-80 dBm plus 3 dBm).
When a clear wireless channel cannot be found, the RSSI Threshold can be used to distinguish
between relatively weak interfering signal and the desired signal by setting the RSSI Threshold
value just above the interfering signal strength.
Extended Range
Just like conventional Ethernet, the Arcwave mesh network adheres to careful timing rules
regarding when a radio can, and cannot, talk. These rules minimize collisions and maximize
throughput. The default timing parameters set by Arcwave provide optimum performance for
most applications where radios are fairly close. However, networks which use high-gain directional
antennas will benefit from having the timing parameters optimized for the longer propagation
time.
If your mesh has one or more links which exceed approximately ½ mile, use the appropriate
extended range setting.
Wireless Class of Service
Should be set to ‘‘Disable’’.
Congestion Control
Should be set to ‘‘Disable’’.
Reserved Multicast MAC Addresses
Should be set to ‘‘Disable’’.