Billion BiPAC 7800(N)X(L) User Manual page 111

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.
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.
Note: In PPPoE connection, NAT is enabled by default, you can determine whether to enable
Fullcone NAT or disable Fullcone NAT and only use NAT, the default NAT type is Port Restricted
cone NAT. Of Port-Restricted cone NAT, the restriction includes port numbers. Specifically, an
external host can send a packet, with source IP address X and source port P, to the internal host
only if the internal host had previously sent a packet to IP address X and port P
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