1. Go to Networking Setting > Broadband and select Broadband tag.
2. Click the "Add new WAN Interface" button to create the data WAN interface.
3. In Add New Interface, give this interface a name (e.g. IPTV) and select the
ADSL over ATM interface Type.
4. Set interface Mode to Routing.
5. Choose IPoE (IP over Ethernet) WAN service Type.
6. Configure the PVC parameters (VPI/VCI). In this example, set 0/33.
7. Please set Service Category to "UBR without PCR" for Data and IPTV service
for medium priority.
8. Set IP Address to "Obtain an IP Address Automatically".
9. Enable all Routing Features: select NAT Enable, IGMP Proxy Enable and Apply
as Default Gateway.
10. For DNS Server setting, choose "Obtain DNS info Automatically".
11. Click Apply.