A-Link WNAP4G User Manual page 22

1. Combo WAN Status
Display status of combo WAN. With Combo WAN feature, you can choose one
primary WAN connection, and set another WAN connection for backup.
Otherwise, you can also choose "Load Sharing" to use Ethernet WAN and 3G
WAN simultaneously. The combo WAN status will be showed here. Press
"Settings" button to configure this feature.
2. WAN Interface
Select Ethernet WAN or Wireless WAN to continue.
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A-LINK WNAP4G User Manual