122 | Authentication Dell PowerConnect W-Series Instant Access Point 6.1.3.4-3.1.0.0 | User GuideFigure 104 Disabling Captive Portal Authentication4. Click Next and then click Finish.External Captive PortalDell Instant supports external captive portal authentication. The external portal can be on the cloud or on aserver outside the enterprise network.Configuring External Captive Portal Authentication when Adding a Guest NetworkTo configure external captive portal authentication when adding a guest network, perform the following steps:1. In the Network tab, click the New link. The New WLAN window appears.2. In the WLAN Settings tab, perform the following:1. Enter a name for the network in the Name (SSID) text box.2. Select Guest and click Next to continue.3. Use the VLAN tab to specify how the clients on this network will get their IP address and VLAN.4. Click Next to continue.5. In the Security tab, select External - Authentication Text from the Splash page type drop-down list and enterthe Auth text. This entry is not mandatory. The Authentication text indicates the text string returned by theexternal server after a successful authentication.OrSelect External - RADIUS Server from the Splash page type drop-down list and select New from the Auth server1 and Auth server 2 to add a RADIUS server.1. IP or hostname: Enter the IP address or the hostname of the external splash page server.2. URL: Enter the URL for the external splash page server.3. Port: Enter the number of the port to be used for communicating with the external splash page server.4. Redirect URL — Specify a redirect URL if you want to override the user's original request and redirectthem to another URL.