From this interface you can manage the network sites that you have configured.

Each network site configured will have icons at the end of the table row. Those are as follows:

Click this icon to edit the network site. A dialog will appear where you can edit the settings for the site.
Click this icon to delete the network site

The toolbar at the bottom of this interface has a number of icons you can use to perform different actions. Those are as follows:

Click this icon to add a new network site. This will display a dialog where you can enter the settings for the new site.
Click this icon to edit several of your network sites at once. Use the checkboxes to select the sites you want to edit. A dialog will appear where you can select the settings(s) that you want to edit and enter the values for those settings.
Click this icon to delete several of your network sites at once. Use the checkboxes to select the sites you want to delete.
Click this icon to access this documentation file