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NAT Configuration 101
Model 3201 G.SHDSL Integrated Access Device User Guide 7 • NAT (Network Address Translation)
NAT Configuration
From the WWW interface:
1. Click
Security.
2. Enable Security, then click the Web browser’s refresh button to display the change.
3. Under Security interfaces, add your internal and external interfaces based on where you want NAT to be
applied. For example, NAT could be applied to the public routable address 192.168.172.3 (the address of
the Ethernet interface on the Central 3201).
4. Add ip1 as external interface.
5. Add rfc1483-0 as internal interface.
6. Enable NAT to internal interfaces.
This should NAT all IP traffic that is being sent (from the internal side of this network) out the Ethernet port
on the 3201 Central unit.
Note Once you enable NAT on the Ethernet (external) port, you will be
unable to manage this device from the Ethernet IP address. Do the
following at the Remote side of the network to make it so you can
manage this device from the Ethernet IP address.
1. Access the web page using the WAN IP address of the Central 3201.
2. Click Security. You will see Security Interfaces.
3. Click Advanced NAT Configuration.
4. Click Add Reserved Mapping.
5. Add Internal IP Address: 192.168.164.1.
6. Change Transport Type to TCP.