Draytek VigorAP 903 User Manual page 49

Subnet
Security
Peer MAC Address
After finishing this web page configuration, please click OK to save the settings.
Choose LAN-A or LAN-B for each SSID.
A remote AP should use LAN-A to connect to VigorAP 903 via WDS.
Select WEP, TKIP or AES as the encryption algorithm.
Type 8~63 ASCII characters, such as 012345678..(or 64 Hexadecimal
digits leading by 0x, such as "0x321253abcde...").
Type the peer MAC address for the access point that VigorAP 902 connects
to.
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