irst, we need to configure the WAN interface parameters:1. In the navigation tree on the left, choose WAN > WAN Configuration.
2. In the pane on the right, click New. In the dialog box that is displayed, configure the parameters of the WAN interface as follows:
Enable WAN: enabled
Encapsulation mode: IPoE
WAN mode: Route WAN
Service type: TR069
VLAN ID: 50
802.1p: 6
IP acquisition mode: DHC
3. Click Apply.
Then, if you want to use internet WAN to communicate with ACS, please config as below:
NOTE: Create a tr069+internet WAN, red line needs to select TR069 and INTERNET.

You can also modify the VAS profile as below:
