Allied Telesis AT-WA7400/EU - Manual (Page 260)

Appendix C: Troubleshooting
260
Wireless Distribution System (WDS) Problems and Solutions
If you are having trouble configuring a WDS link, read the following list of
guidelines for configuring WDS. The most common problem
Administrators encounter with WDS setups is forgetting to set both access
points in the link to the same radio channel and IEEE 802.11 mode.
The following list summarizes some critical guidelines regarding WDS
configuration:
ˆ The only security mode available on the WDS link is Static WEP , which
is not particularly secure. Therefore, Allied Telesyn recommends that
you use WDS to bridge the guest network only for this release. Do not
use WDS to bridge access points on the internal network unless you
are not concerned about the security risk for data traffic on that
network.
ˆ When you use WDS, be sure to configure WDS settings on both
access points participating in the WDS link.
ˆ You can have only one WDS link between any pair of access points.
That is, a remote MAC address may appear only once on the WDS
page for a particular access point.
ˆ Both access points participating in a WDS link must be on the same
radio channel and using the same IEEE 802.11 mode. (See
“Configuring Radio Settings” on page 147 for information on
configuring the Radio mode and channel.)
ˆ Do not create loops with either WDS bridges or combinations of
Wired (Ethernet) connections and WDS bridges. Spanning Tree
Protocol (
STP ), which manages path redundancy and prevent
unwanted loops, is not enabled for this release. Keep these rules in
mind when working with WDS on this release of the AT-WA7400
Management Software:
ˆ Any two access points can be connected by only a single path; either a
WDS bridge (wireless) or an Ethernet connection (wired), but not both.
ˆ Do not create backup links.
ˆ If you can trace more than one path between any pair of access points
going through any combination of Ethernet or WDS links, you have a
loop.
ˆ You can only extend or bridge either the internal or guest network but
not both.