Device Configuration 5 - 157
Refer to the following for more information on the Path Method SNR screen. These descriptions apply to both the 2.4 GHz
and 5.0/4.9 GHz frequencies.
11. Click the Path Method Root Path Metric tab to configure the parameters controlling the calculation of the root path
metrics.
Channel Width Configure the channel width that mesh point automatic channel scan should assign to the
selected radio. The available options are:
• Automatic – Indicates the channel width is calculated automatically. This is the
default value.
• 20 MHz – Indicates the width between two adjacent channels is 20 MHz.
• 40 MHz – Indicates the width between two adjacent channels is 40 MHz.
Priority Meshpoint Configure the mesh point monitored for automatic channel scan. This is the mesh point
given priority over other available mesh points. When configured, a mesh is created with
this mesh point. When not configured, a mesh point is automatically selected.
SNR Delta Configure the signal to noise ratio delta value for path selection.
When path selection happens, this value is considered for selecting the optimal path. A
better candidate on a different channel must have a signal strength that exceeds this
delta value when compared to the signal strength of the next hop in the mesh network.
SNR Threshold Configure the signal to noise threshold value for path selection.
When the signal strength of the next hop in the mesh network goes below this value, a
scan is triggered to select a better next hop.
Off-channel Duration Configure the duration in the range of 20 - 250 milliseconds for the Off Channel Duration
field. This is the duration that the scan dwells on each channel when performing an off
channel scan.
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