Draytek Vigor2620 Series Quick Start Manual page 23

Click OK on that page to apply the changes.
3. Go to [WAN] > [Internet Access]
Firstly set the WAN1 Access Mode to MPoA / Static or Dynamic IP, then click the
Details Page button to proceed:
4. In the MPoA / Static or Dynamic IP settings:
Select the Enable option and select
Obtain an IP address automatically
which will obtain an IP from the ISP
using DHCP.
If your ISP has provided a static IP
range, with a Network address and a
Subnet Mask, specify that with the
Specify an IP address option.
Click OK on this page to apply the changes and the router will then prompt to
restart.
Click the OK button to restart the router and apply the changes.
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