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SonicOS 5.8.1 Administrator Guide
RFA Highly Interfered Channels
Not only APs working in the same channel will create interference, APs working in adjacent
channels (channel number less than 5 apart) will also interfere with each other.
RFA will give a warning when it detects that around a certain SonicPoint, there are more than
five active APs in the channels that are less than five apart. No matter how strong their signal
strength is, RFA will mark the channel as highly interfered.
Figure 46:4 RFA Highly Interfered Channels
Information about each discovered AP includes: SSID, MAC, signal strength, and channel. Two
values are shown for signal strength: dBm and percentage value.