1. Click on Advanced Setup in the left tab
2. Click on Layer 2 Interface
3. Click on ETH Interface
4. If you do not have eth4/eth4 | VlanMuxMode configured here, click Add and add these settings.
5. Click on WAN Services on the left tab
6. If there is an existing configuration click the tick box next to it and click Remove
7. Click Add to make a new connection
8. From the drop down menu select eth4/eth4 (If this is not here then refer to step 4). Click Next.
9. For 802.1P Priority change this to 0, and for 802.1Q VLAN ID change this to 10. Click Next.
10. Enter your PPP Username and Password sent to you, tick Enable IPv4 for this service. Click Next.
11. Click Next, Next, Apply/Save