ZyXEL Communications NWA-3160 - V3.70 Manual page 273

Chapter 21 Load Balancing
can afford the bandwidth for it or the red laptop is picked up by a different AP that
has bandwidth to spare.
Figure 164 Delaying a Connection
R
The second response your AP can take is to kick the connections that are pushing
it over its balanced bandwidth allotment.
Figure 165 Kicking a Connection
R
Connections are kicked based on either idle timeout or signal strength. The
NWA first looks to see which devices have been idle the longest, then starts
kicking them in order of highest idle time. If no connections are idle, the next
criteria the NWA analyzes is signal strength. Devices with the weakest signal
strength are kicked first.
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NWA-3160 Series User's Guide