Tenda AC1200 User Manual page 130

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Enter the Group name which should be unique.
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Select the WAN interface that's shared by the LAN interfaces in the interface group.

Select interfaces that will be connected to the specified WAN you will use. Note that these clients may obtain public
IP addresses.

Click Apply/Save button to make the changes effective immediately.
If you want to bypass NAT via the router's interface and obtain the public IP address automatically, you need to add the
DHCP vendor ID in the Automatically Add Clients with the following DHCP Vendor IDs section. After the ID takes
effect, your router will automatically detect the DHCP request from computers on the LAN, and it will forward the
DHCP vendor ID and the corresponding DHCP request to the WAN interface used in the interface rules.
Application:
Your ADSL line support 2 PVC groups: ppp0.1 used for home users to access the Internet; atm.1.1 used for guests to
access the Internet. You hope that eth3 (Interface 4 on the modem router) can be used for guests to visit the Internet, and
meanwhile data of the guest won't be forwarded to other interfaces. Configurations are as below in the figure.
Wireless AC1200 ADSL2+ Dual Band Modem Router
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