Network; Internet Access - TP-Link TW-MR3220 User Manual

4.5 Network

There are five submenus under the Network menu ( as shown above): Internet Access, 3G/4G,
WAN, MAC Clone and LAN. Click any of them, and you will be able to configure the
corresponding function.
4.5.1

Internet Access

Choose menu "Network→Internet Access", you can configure the access mode on the screen
below. The Router is designed to work with either WAN port or 3G/4G USB modem, and
supports "automatically take over back up with 3G/4G access" as Ethernet WAN failover.
3G/4G Preferred

In this mode, the Router will try 3G/4G access first;
When 3G/4G access fails and WAN access is valid, or when no 3G/4G USB modem is
inserted, the Router would switch to WAN access;
When the Router succeeds to connect to the 3G/4G network, the Router would stop the
WAN connection and switch back to 3G/4G access immediately.
3G/4G Only

In this mode, the Router will try 3G/4G access only. WAN access is disabled.
WAN Preferred

In this mode, the Router will try WAN access first;
When the WAN access fails, and 3G/4G access is valid, the Router would switch to 3G/4G
access;
When the Router succeeds to connect to the WAN network, the Router would stop the
3G/4G connection and switch back to WAN access immediately.
WAN Only

In this mode, the Router will try WAN access only. 3G/4G access is disabled.
Click the Save button to save your settings.
TL-MR3220 3G/4G Wireless N Router User Guide
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