User`s manual

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’s LAN interface through DHCP. Only one PC on the

LAN can be connected to the remote, since the DHCP server within the

device has only a single IP address to assign to a LAN device.

• NAT and firewall are disabled when this option is selected.

• The device becomes the default gateway and DNS server to the PC

through DHCP using the LAN interface IP address.

• The device 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 device bridges the IP packets between WAN and LAN ports, unless the

packet is addressed to the device’s LAN IP address.

Use Static IP Address

Unless your service provider specially requires this setup, do not select it.

If selected, enter your static IP address in the IP Address field. Also, don’t forget

to adjust your TCP/IP Settings as described in subsection 3.2 TCP/IP Settings.

Enable PPP Debug Mode

When this option is selected, the system will put more PPP connection information

into the system log. This is for debugging errors and not for normal usage.

Step 5: On this screen you may enable/disable IGMP Multicast and WAN

service. Click Next to continue.