Routing RIP for the Zhone 6518-A1-xxRouter Sceenshot
Routing -- RIP Configuration NOTE: RIP CANNOT BE CONFIGURED on the WAN interface which is PPP or has NAT enabled. 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. Interface Version Operation Enabled WAN Interface not exist for RIP.