![background image](/i/zyxel/151872/zyxel-p-870hw-51a-v2/h/zyxel-p-870hw-51a-v2-058.png)
Chapter 5 WAN Setup
P-870H/HW Series User’s Guide
58
5.4.1 Layer 2 Interface Configuration
Click the Add button in the Layer 2 Interface screen to open the following
screen. Use this screen to create a new DSL PTM interface. At the time of writing,
you can configure only one DSL interface on the ZyXEL Device.
Figure 29
DSL PTM Interface Configuration
The following table describes the fields in this screen.
Table 10
DSL PTM Interface Configuration
LABEL
DESCRIPTION
Select
Connection Mode
Select MSC Mode to allow multiple WAN services over a single virtual
circuit.
Select VLAN MUX Mode to allow multiplexing of multiple protocols
over a single virtual circuit. You need to assign a VLAN ID and priority
level to traffic through each WAN connection.
Enable Quality Of
Service
Select this option to activate QoS (Quality of Service) on this interface
to group and prioritize traffic. Traffic is grouped according to the VLAN
group.
The QoS setting applies to all WAN connections over the same PVC.
Back
Click this button to return to the previous screen without saving any
changes.
Apply/Save
Click this button to save your changes and go back to the previous
screen.