Allied Telesis AT-TQ Series - Manual (Page 73)

AT-TQ Wireless Access Point Series User’s Guide
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 Additionally, the access points may not form loops with wired
devices. An example is shown in Figure 19.
Figure 19. Invalid Loop Configuration of Access Points to a Wired Network
Device
 Do not use the linear topology shown in Figure 20 to create a WDS
bridge of four units because it might not be reliable. Instead, use
the topology shown in Figure 17 on page 72.
Figure 20. Invalid Configuration of Four Wireless Access Points
Radio You may use either the 2.4 or 5 GHz radios in the units to create a WDS
bridge. The access points must all use the same radio.
Radio Mode The access points must use the same radio mode. You may use any
available radio mode. The available modes depend on the country or area
where the access point is installed.
Radio Channel When access points are operating in close proximity to each other such
that there is an overlap in coverage, the usual practice is to set the radios
to different channels to minimize radio interference and improve
performance.
The radios in the access points of a WDS bridge, however, have to use the
same channel. This means that you have to disable automatic channel
selection, which is the default settings on the units, and manually select
the channel. The common channel between the access points can be any
available channel.
VAP0 The access points of a WDS bridge use VAP0 as the wireless link. The
VAP assignment cannot be changed. Wireless clients should not be
allowed to use VAP0 when the devices are arranged in a WDS bridge
because the bridge might experience a reduction in performance. Wireless
clients should use other VAPs on the units to access the network.