Wireless Modem Router  
15 
 
4.2 Advanced Setup 
This section explains the following information: 
• Layer2 Interface 
• WAN  Service 
• LAN 
• NAT 
• Security 
• Parental Control 
• Quality  of Service 
• Routing 
• DNS 
• DSL 
• UPnP 
• Print Server 
• Storage Service 
• Interface Grouping 
• IP Tunnel 
• Certificate 
• Multicast 
• IPTV     
4.2.1 Layer2 Interface 
Click Advanced Setup -> Layer2 Interface to enter the Layer2 Interface screen. 
This router provides two Layer2 Interfaces:   
- ATM  Interface for ADSL broadband Internet service   
- ETH  Interface for connecting to the Internet via an Ethernet cable.   
By default, system applies the ATM Interface (ADSL uplink). 
If you directly connect to the ADSL line via a phone cable, first refer to  To Set up the ATM interface and then skip to 
To Set up WAN Service for ATM Interface.  
Or  if  you connect to  the  Internet  via  a fiber/cable modem  using an Ethernet  cable,  first  refer  to  To  Set up  the ETH 
interface and then skip to To Set up WAN Service for ETH  Interface.