Tenda V1200 User Manual page 73

and click Next.
Parameter description
Parameter
Authentication Method
Enable Fullcone NAT
Dial on demand (with idle
timeout timer)
Enable Firewall
Use Static IPv4 Address
Enable PPP Debug Mode
Enable IGMP Multicast Proxy
Step 5 Leave the configuration unchanged on Routing - Default Gateway page, and click Next.
Description
It specifies the authentication method the ISP-side uses to authenticate the
client. If you do not certain about it, select AUTO.
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.
When there is no data exchange within the specified time, the device
disconnects the connection between its WAN port and the ISP. Flow-based
charging users can select this option to save cost. Month-based charging users
do not need to select the option.
Check this option to enable the firewall of the modem router.
It is used to set up the IP address assigned by the ISP after the PPPoE dial-up
succeeds. Do not set up it if you are not a professional.
If it is enabled, you can check the PPPoE dial-up information on the System
Log page. It is used to diagnose dial-up malfunctions.
If it is enabled, the modem router can forward the multicast data to the users
in LAN. If you requires multicast applications, such as VOD or AOD, you can
enable this option.
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