WAN interface from the User Interface drop-down menu. Click the
Apply/Save button to add the entry to the routing table.
To activate RIP for the WAN Interface, select the desired RIP version and
operation and place a check in the 'Enabled' checkbox. To stop RIP on the
WAN Interface, uncheck the 'Enabled' checkbox. Click the Apply/Save
button to star/stop RIP and save the configuration.
NOTE: RIP CANNOT BE CONFIGURED on the WAN interface which has
NAT enabled (such as PPPoE).