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YML9WMAXXN ADSL2+ Wireless N300 Modem Router with VoIP User Guide
www.netcomm.com.au 15
NetComm Gateway
TM
Series - ADSL2+ Wireless N300 Modem Router with VoIP
4.2.1 PPP over ATM (PPPoA) and PPP over Ethernet (PPPoE)
Follow Steps 1 through to 3 of Manual Quick Setup
4: Select the PPP over ATM (PPPoA) or PPP over Ethernet (PPPoE) radio button and click Next. The following screen appears.
PPP Username/PPP Password
The PPP Username and the PPP password requirements are dependent on the particular requirements of the ISP or the DSL service
provider. The web user interface allows a maximum of 256 characters for the PPP username and a maximum of 32 characters for PPP
password.
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.
Dial on Demand
The router can be congured to disconnect if there is no activity for a period of time by selecting the Dial on demand check box. When the
checkbox is ticked, you need to enter the inactivity timeout period. The timeout period ranges from 1 minute to 4320 minutes.
PPP IP Extension
The PPP IP Extension is a special feature deployed by some service providers. Unless your service provider specially requires this setup, do
not select it.
The PPP IP Extension supports the following conditions:
• Allows only one PC on the LAN
• The public IP address assigned by the remote side using the PPP/IPCP protocol is actually not used on the WAN PPP interface.
Instead, it is forwarded to the PC LAN interface through DHCP. Only one PC on the LAN can be connected to the remote, since the
DHCP server within the router has a single IP address to assign to a LAN device.
• NAT and rewall are disabled when this option is selected.
• The router becomes the default gateway and DNS server to the PC through DHCP using the LAN interface IP address.
• The router extends the IP subnet at the remote service provider to the LAN PC. That is, the PC becomes a host belonging to the
same IP subnet.
• The router bridges the IP packets between WAN and LAN ports, unless the packet is addressed to the router’s LAN IP address.