To open the Network Configuration window (Web hosting companies) from the
To open the Network Configuration window from the GNOME menu, click Programs System Network Configuration. (Or, as root user, type neat& from a Terminal window.) The Network Configuration window appears. 2. Click the Devices tab. If your card was properly detected, you should see an entry for your wireless card. That entry should be of type “Wireless” and probably have a Nickname set as your host name. 3. Click the entry for your wireless card and select Edit. The Wireless Device Configuration window appears. 4. Click the Wireless Settings tab. The Wireless Device Configuration window should appear, as shown in Figure 25-4. Figure 25-4: Change wireless LAN settings from the Wireless Device Configuration window. 5. Change your wireless settings as appropriate. These are settings that are passed to the iwconfig command to set wireless extensions. Here are your options: ESSID (Network ID) The network name that identifies cells that are part of the same network. If you have a group of cells (which might include multiple nodes and repeaters among which a client could roam), this name can identify all of those cells as falling under one virtual network. Choose any name you like and then use that name for all computers in your virtual network. (ESSID stands for Extended Service Set ID.) Mode Indicates the mode of operation for the wireless LAN card. Because I am setting up a wireless LAN consisting of only one cell (in other words, no roaming to cells set up in other areas), I could set the mode to Ad hoc or simply leave it on Auto. Ad hoc mode allows the card to communicate directly with each of its peers. Managed mode can be used if you have multiple cells, requiring your card to communicate directly to an access point. You could also use Managed mode for a point-to-point network, such as when you use the wireless LAN to extend a network from one building to another. Frequency You can choose a particular frequency in which to transmit. No value is required, because selecting a channel implies a certain frequency. If you do enter a frequency, the value must be a number followed by a k (kilohertz), M (megahertz), or G (gigahertz). The default values for the channels you select range from 2.412G (channel 1) to 2.484G (channel 14), with other channels falling at .005 increments in between. The default is 2.422G.
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