User's Manual Part 1
104 
 PPPoE 
PPPoE (PPP over Ethernet) provides access control in a manner which is similar to dial-up services 
using PPP. 
VCP/VPI: Enter the VCI/VPI combination from you ISP.  
Encapsulation Mode: Select the encapsulation mode, LLC/SNAP-BRIDGING, or VC/MUX. 
Description: User-defined description for the connection, commonly for friendly use. 
802.1P Priority: The parameter indicates the frame priority level from 0 (lowest) to 7 (highest), which 
can be used to prioritize different classes of traffic (voice, video, data, etc). Enter the priority 
identification, tagged: 0-1, untagged: -1. 
802.1Q VLAN ID: It is a parameter to specify the VLAN which the frame belongs. Enter the VLAN ID 
identification, tagged: 0-4094, untagged : -1. 
Username: Enter the account obtained from the ISP.  
Password: Enter the password obtained from the ISP. 
Service Name: The item is for identification purpose, user can define it yourselfe. 
Authentication Method: Default is Auto. Or else your ISP will advise you the appropriate mode. 
Firewall: Enable to drop all traffic from WAN side. If enabled, all incoming packets by default would 
be dropped, and please turn to IP Filtering Incoming to add allowing rules. 
NAT: The NAT (Network Address Translation) feature allows multiple users to access the Internet 
through a single IP account by sharing the single IP address. If users on your LAN have their own 
public IP addresses to access the Internet, NAT function can be disabled. When enabled, a Fullcone 
NAT parameter will appear, you can determine whether to enable Fullcone NAT. While only NAT 
enabled, the default NAT type Port-Restricted cone NAT will be used. 
Fullcone NAT: Enable or disable fullcone NAT. Fullcone is a kind of NAT, in this mode, all requests 
from the same internal IP address and port are mapped to the same external IP address and port. 
Furthermore, any external host can send a packet to the internal host by sending a packet to the 
mapped external address. 










