Dell PowerConnect W Clearpass 100 Software 3.9 Deployment Guide - Page 361

Viewing or Setting System Hostname The system hostname is a fully-qualified domain name. By default, this is set to clearpass-guest.localdomain, but you may specify another valid domain name. The system hostname should match the common name of the installed SSL certificate. If these names do not match, then HTTPS access to the appliance may result in security warnings from your Web browser. A valid hostname is a domain name that contains two or more components separated by a period (.). Hostname parameters are:  Each component of the hostname must not exceed 63 characters  The total length of the hostname must not exceed 255 characters  Only letters, numbers, and the hyphen (-) and period (.) characters are allowed  Hostnames may start with numbers, and may contain only numbers Viewing Network Interface Settings The Network Interfaces List lets you view details and configure settings for the system's network interfaces. You can enable and disable network interfaces; change the IP address, static routing, or other configuration items for an interface; and add or remove new network interfaces. To open this page, choose Administrator > Network Setup > Network Interfaces. The icons for each network interface indicate its state:  Down - Network interface is disabled  Up - Network interface is enabled  Default - Network interface is enabled, and the current default gateway uses this network interface Click a network interface in the list to select it. You can then choose from the following actions:  Show Details - Display detailed information and statistics about a network interface. ClearPass Guest 3.9 | Deployment Guide Administrator Tasks | 361