Tenda V1200 User Manual page 50

Parameter description
Parameter
PPPoE Service Name
Authentication Method
MAC Clone
MTU
Enable Fullcone NAT
Description
If your ISP provides this name, enter it here. Otherwise, leave it blank.
It specifies the authentication method the ISP-side uses to authenticate the
client. If you do not certain about it, select AUTO.
If you can only access the internet via a specified computer, it may indicate
that your ISP binds the internet service to the MAC address of the computer
to restrict access. In this case, you need to clone the MAC address of this
computer to the modem router for internet access.
It specifies the maximum size of packet that the router can transmit. MTU
varies across connection types.
Data transmitted by a computer in LAN through the UDP port A will be
forwarded to the UDP port B in WAN. And data received by the UDP port B in
WAN will be forwarded to the UDP port A of the corresponding computer in
LAN.
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