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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. i.e. 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.
Enable NAT
If the LAN is configured with a private IP address, the user should select this
checkbox
. The NAT submenu will appear in the Advanced Setup menu after
reboot. On the other hand, if a private IP address is not used on the LAN side (i.e.
the LAN side is using a public IP), this checkbox
free up system resources for improved performance.
Enable Firewall
If this checkbox
Advanced Setup menu after reboot. If firewall is not necessary, this checkbox
should be de-selected to free up system resources for better performance.
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.
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.
Fixed MTU
This option allows us to change the MTU size for WAN interface, PPPoE and PPPoA.
The default value is 1492 for PPPoE and 1500 for PPPoA.
STEP 5: Click Next to display the following screen.
Enable IGMP Multicast
Tick the checkbox
Membership Protocol) is a protocol used by IP hosts to report their multicast group
memberships to any immediately neighboring multicast routers.
is selected, the Security submenu will be displayed on the
to enable IGMP multicast (proxy). IGMP (Internet Group
should not be selected, so as to
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