This field configures the upper sublayer of the data link layer.
- SNMP ID:
- 2.2.4.4
- Console path:
- Setup > WAN > Layer
- Possible values:
- PPPoE
- PPP over Ethernet: PPP information is encapsulated in Ethernet frames
- TRANS
- Transparent: No additional header is inserted.
- X.75LABP
- Connections are established with X.75 and LAPM (Link Access Procedure Balanced).
- Default:
- X.75LABP
