D-Link DFL-260E User Manual for DFL-260E - Page 120
GRE Tunnels, PPPoE cannot be used with HA, Overview
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3.4.5. GRE Tunnels Chapter 3. Fundamentals or NATed by the NetDefend Firewall. Note: PPPoE has a discovery protocol To provide a point-to-point connection over Ethernet, each PPP session must learn the Ethernet address of the remote peer, as well as establish a unique session identifier. PPPoE includes a discovery protocol that provides this. PPPoE cannot be used with HA For reasons connected with the way IP addresses are shared in a NetDefendOS high availability cluster, PPPoE will not operate correctly. It should there not be configured with HA. Example 3.15. Configuring a PPPoE Client This example shows how to configure a PPPoE client on the wan interface with traffic routed over PPPoE. CLI gw-world:/> add Interface PPPoETunnel PPPoEClient EthernetInterface=wan Network=all-nets Username=exampleuser Password=examplepw Web Interface 1. Go to: Interfaces > PPPoE > Add > PPPoE Tunnel 2. Then enter: • Name: PPPoEClient • Physical Interface: wan • Remote Network: all-nets (as we will route all traffic into the tunnel) • Service Name: Service name provided by the service provider • Username: Username provided by the service provider • Password: Password provided by the service provider • Confirm Password: Retype the password • Under Authentication specify which authentication protocol to use (the default settings will be used if not specified) • Disable the option Enable dial-on-demand • Under Advanced, if Add route for remote network is enabled then a new route will be added for the interface 3. Click OK 3.4.5. GRE Tunnels Overview The Generic Router Encapsulation (GRE) protocol is a simple, encapsulating protocol that can be used whenever there is a need to tunnel traffic across networks and/or through network devices. 120