User manual

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4.2.1 PPP over ATM (PPPoA) and PPP over Ethernet (PPPoE)
STEP 4: Select the PPP over ATM (PPPoA) or PPP over Ethernet (PPPoE) radio
button and click Next. The following screen appears.
Enable Fullcone NAT
Known as one-to-one NAT, all requests from the same internal IP address and
port are mapped to the same external IP address and port. An external host can
send a packet to the internal host, by sending a packet to the mapped external
address.
PPP Username/PPP Password
The PPP Username and the PPP password requirement are dependent on the
particular requirements of the ISP or the ADSL service provider. The WEB user
interface allows a maximum of 256 characters in the PPP user name and a maximum
of 32 characters in PPP password.