Motorola AP-51XX - Manual (Page 165)

Network Management 5-17
2. Refer to the WAN IP Configuration field to enable the WAN interface, and set network
address information for the WAN connection.
NOTE Motorola recommends that the WAN and LAN ports should not both be
configured as DHCP clients.
Enable WAN Interface Select the Enable WAN Interface checkbox to enable a
connection between the access point and a larger network or
outside world through the WAN port.
Disable this option to effectively isolate the
access point ’s WAN.
No connections to a larger network or the Internet are possible.
MUs cannot communicate beyond the LAN.
By default, the WAN port is static with an IP address of 10.1.1.1.