Draytek Vigor2926L User Manual page 268

Available settings are explained as follows:
Item
Mode
Security
WEP
252
Description
Choose the mode for WDS setting. Disable mode will not
invoke any WDS setting. Bridge mode is designed to fulfill
the first type of application. Repeater mode is for the
second one.
There are three types for security, Disable, WEP and
Pre-shared key. The setting you choose here will make the
following WEP or Pre-shared key field valid or not. Choose
one of the types for the router.
When WEP is selected as Security above, Vigor router will
use the same WEP key set in Wireless LAN>>Security
Settings page.
All you have to do is to make sure WEP mode and WEP key
setting have been configured properly in Wireless
Vigor2926 Series User's Guide