Draytek Vigor2133 User Manual page 200

Available settings are explained as follows:
Item
Scan
Statistics
Add to
188
Description
It is used to discover all the connected AP. The results will be
shown on the box above this button.
It displays the statistics for the channels used by APs.
If you want the found AP applying the WDS settings, please
type in the AP's MAC address on the bottom of the page and
click Repeater. Next, click Add to. Later, the MAC address of
the AP will be added to Bridge or Repeater field of WDS
settings page.
Vigor2133 Series User's Guide