Netgear WFS709TP WFS709TP Setup Manual - Page 62
Configuring the Loopback IP Address
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WFS709TP ProSafe Smart Wireless Switch Software Administration Manual 3. Click Done to add the entry. Note: The route has not yet been added to the routing table. 4. Click Apply to add this route to the routing table. The message Configuration Updated Successfully confirms that the route has been added. Configuring the Loopback IP Address The loopback IP address is a logical IP interface that is used by the WFS709TP to communicate with APs. If you do not configure a loopback address for the switch, the IP address of the lowestnumbered VLAN interface (typically VLAN 1) is used. The WFS709TP uses the loopback address as its IP address for terminating Virtual Private Network (VPN) and Generic Routing Encapsulation (GRE) tunnels, for originating requests to RADIUS servers, and for accepting administrative communications. You configure the loopback address as a host address with a 32-bit netmask. The loopback address is not bound to any specific interface and is operational at all times. To make use of this interface, ensure that the IP address is reachable through one of the VLAN interfaces. It should be routable from all external networks. You can modify or delete the IP address of the loopback interface on the WFS709TP. However, you cannot delete the loopback address if there is no IP address configured for the VLAN 1 interface; if you attempt to do so, you will be prompted for a new IP address for the VLAN 1 interface. You also cannot delete the IP address for the VLAN 1 interface if there is no loopback address configured; you will be prompted for a new loopback address. Note: Any change in the WFS709TP's IP address requires a reboot. To configure or change the loopback IP address on the WFS709TP: 3-6 Configuring Network Parameters v1.0, June 2007