You can add a new L2TPv3 tunnel configuration or eidt an existing configuration.
The L2TPv3 tunnel configuration screen displays, with the Session tab selected by default.


| Name | Enter a 31 character maximum session name. There is no idle timeout for a tunnel. A tunnel is not usable without a session and a subsequent session name. The tunnel is closed when the last session tunnel session is closed. | 
| Pseudowire ID | Define a psuedowire ID for this session. A pseudowire is an emulation of a layer 2 point-to-point connection over a PSN. A pseudowire was developed out of the necessity to encapsulate and tunnel layer 2 protocols across a layer 3 network. | 
| Traffic Source Type | Lists the type of traffic tunneled in this session (VLAN, etc.). | 
| Traffic Source Value | Define a VLAN range to include in the tunnel session. Available VLAN ranges are from 1 - 4,094. | 
| Native VLAN | Select this option to provide a VLAN ID that will not be tagged in tunnel establishment and packet transfer. |