Extreme Networks Summit WM Technical Reference Manual page 98

WDS – Wireless Distribution Service
For every coverage gap, use the following procedure:
1 Identify the position of the gap filler AP (or APs), taking into consideration the availability of a
parent (see below). Only consider using two or more hops if the coverage gap cannot be filled with
APs that are only one WDS hop away from the wired infrastructure.
2 Identify the preferred and back-up parents for every gap filler AP. Take into consideration the
following factors:
The parents must be close enough to the gap filler so as to guarantee max PHY rate.
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It is better if every gap filler has a different parent.
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3 Identify the channels to be used by every WDS link. Investigate alternatives to avoid overloading a
single channel:
Keep neighboring WDS trees on different (non-overlapping) channels.
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If you are using more than one WDS hop, try switching between radios every hop.
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4 Then do the following:
Create a WDS WM-AD for each coverage gap (it is also possible to configure a single WDS WM-
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AD for all gap fillers but it is may be less flexible in the future).
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Summit WM Technical Reference Guide, Software Version 5.1