Technical data

Brocade Mobility 7131 Access Point Product Reference Guide 133
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5
1. Select Network Configuration -> WAN -> NAT from the Mobility 7131 Access Point menu tree.
2. Configure the Address Mappings field to generate a WAN IP address, define the NAT type and
set outbound/inbound NAT mappings.
3. Click Apply to save any changes to the NAT screen. Navigating away from the screen without
clicking the Apply button results in all changes to the screens being lost.
4. Click Undo Changes (if necessary) to undo any changes made. Undo Changes reverts the
settings displayed on the NAT screen to the last saved configuration.
WAN IP Address The WAN IP addresses on the NAT screen are dynamically generated from address settings
applied on the
WAN screen.
NAT Type Specify the NAT Type as
1 to 1 to map a WAN IP address to a single host (local) IP address. 1
to 1 mapping is useful when users need dedicated addresses, and for public-facing servers
connected to the Mobility 7131 Access Point.
Set the NAT Type as
1 to Many to map a WAN IP address to multiple local IP addresses. This
displays the
mappings button in the adjacent Outbound Mappings field. This button
displays a screen for mapping the LAN IP addresses that are associated with each subnet.
Define the NAT Type as
none when routable IP addresses are used on the internal network.
Outbound Mappings When
1 to 1 NAT is selected, a single IP address can be entered in the Outbound
Mappings
area. This address provides a 1 to 1 mapping of the WAN IP address to the
specified IP address.
When
1 to Many is selected as the NAT Type, the Outbound Mappings area displays a 1 to
Many Mappings
button. Click the button to select the LAN1 or LAN2 IP address used to set
the outbound IP address or select
none to exclude the IP address.
If
none is selected as the NAT Type, The Outbound Mappings area is blank.
Inbound Mappings When
1 to 1 or 1 to Many is selected, the Inbound Mappings option displays a Port
Forwarding
button.
Port Forwarding Click the
Port Forwarding button to display a screen of port forwarding parameters for
inbound traffic from the associated WAN IP address. for information on configuring port
forwarding, see Configuring Port Forwarding on page 5-134.