Users Manual

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Client(s)

or an IP Network.

Address

This refers to the LAN host’s private IP address. The system maps this address

to a number of public IP addresses (specified below) in order to facilitate

inbound and outbound traffic. This option is only available when IP Address is

selected.

Range

The IP range is a contiguous group of private IP addresses used by the LAN

host. The system maps these addresses to a number of public IP addresses

(specified below) to facilitate outbound traffic. This option is only available when

IP Range is selected.

Network

The IP network refers to all private IP addresses and ranges managed by the

LAN host. The system maps these addresses to a number of public IP

addresses (specified below) to facilitate outbound traffic. This option is only

available when IP Network is selected.

Inbound

Mappings

This setting specifies the WAN connections and corresponding WAN-specific

Internet IP addresses on which the system should bind. Any access to the

specified WAN connection(s) and IP address(es) will be forwarded to the LAN

host. This option is only available when IP Address is selected in the LAN

Client(s) field.

Note that inbound mapping is not needed for WAN connections in drop-in mode

or IP forwarding mode. Also note that each WAN IP address can be associated

to one NAT mapping only.

Outbound

Mappings

This setting specifies the WAN IP addresses that should be used when an IP

connection is made from a LAN host to the Internet. Each LAN host in an IP

range or IP network will be evenly mapped to one of each selected WAN's IP

addresses (for better IP address utilization) in a persistent manner (for better

application compatibility).

Note that if you do not want to use a specific WAN for outgoing accesses, you

should still choose default here, then customize the outbound access rule in the

Outbound Policy section. Also note that WAN connections in drop-in mode or

IP forwarding mode are not shown here.

Click Save to save the settings when configuration has been completed.

Important Note

Inbound firewall rules override the Inbound Mappings settings.