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TEW-753DAP User’s Guide System Conguration

Appendix

WDS Frequent Asked Quesons

What is WDS?

WDS stands for Wireless Distribuon System, a non-standard extension

to the IEEE 802.11 standard to allow transparent Ethernet bridging on the

staon and to implement seamingless hand-over for wireless clients roaming

between dierent access points.

Should I use WDS or not?

WDS links create transparent bridges facilitate layer 2 seamless

communicaon. You don’t have to use WDS if you don’t need layer 2

services passing through TEW-753DAP, such as MAC ltering, and 802.1X

authencaon. You can simply use AP, Client Bridge, and Repeater mode to t

most of your network plan.

What problem WDS is resolving?

The 802.11 standard only uses three MAC addresses for frames transmied

between the Access Point and the Staon. Frames transmied from the

staon to the AP don’t include the Ethernet source MAC address of the

requesng host and response frames are missing the desnaon Ethernet

MAC to address the target host behind the client bridge.

WDS AP and WDS Staon uses the 4 MAC address including complete source,

desnaon, WDS AP, and WDS Staon addresses. Data frame arriving WDS AP

or WDS Staon will be translated back to 802.3 data frame with real source

address instead of WDS AP or WDS Staon address. The 4 addresses design

keeps the original data frame intact bridging to the other side transparently.

What should I have to build WDS network?

You have to use mulple TEW-753DAPs to build WDS AP - WDS Staon pair or

WDS bridge mesh groups. Dierent model with same or dierent brand name

may NOT work together because of the dierent WDS implementaon details.

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