The controller boots up with the changed loopback IP address. When prompted that the changes were written successfully to flash, click OK. Navigate to the Maintenance > Controller > Reboot Controller page to reboot the controller to apply the change of loopback IP address.Ĭlick Continue to save the configuration. Aruba recommends that you use one of the VLAN interface IP addresses to access the WebUI. If you are using the loopback IP address to access the WebUI, changing the loopback IP address will result in loss of connectivity. Navigate to the Configuration > Network > Controller > System Settings page and locate the Loopback Interface section. Generally, VLAN 1 is the factory default setting and thus becomes the controller IP address In the WebUI 1. If the loopback interface address is not configured then the first configured VLAN interface address is selected. You must configure a loopback address if you are not using VLAN1 to connect the controller to the network. It should be routable from all external networks.
To use this interface, ensure that the IP address is reachable through one of the VLAN interfaces. The loopback address is not bound to any specific interface and is operational at all times.
They can add stability to the network because they are not subject to route. You configure the loopback address as a host address with a 32-bit netmask. Loopback interfaces are always up, regardless of the states of physical interfaces. The loopback address is used as the controller’s IP address for terminating VPN and GRE tunnels, originating requests to RADIUS servers and accepting administrative communications. The loopback IP address is a logical IP interface that is used by the controller to communicate with APs.
Configuring the Loopback IP Address Configuring the Loo pback IP Address
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