Draytek Vigor3910 Series User Manual page 153

Interface Address
4. After specifying the interface, click Next to get the following page.
Available settings are explained as follows:
Item
Force NAT /Force
Routing
5. After choosing the mechanism, click Next to get the summary page for reference.
6. If there is no error, click Finish to complete wizard setting.
Vigor3910 Series User's Guide
It is available only when WAN is selected as Interface. There
might be a lot of alias IP address, it is necessary to assign one
alias IP for the interface setting.
Description
It determines which mechanism that the router will use to
forward the packet to WAN.
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