Creating or modifying a loopback interface

Loopback interfaces may be used, for example, in dynamic routing configurations.

To create or modify a loopback interface, click on the “Loopback” tab.

Button bar

Search Search that covers interfaces.
Add Adds an “empty” interface. An added interface (sending of a command) is effective only if its fields Name and IP address have been entered.
Delete Deletes one or several selected interfaces. Use the keys Ctrl/Shift + Delete to delete several interfaces.
Check usage Represented by the icon , this button indicates whether the selected interface is being used elsewhere in the configuration.
ApplySends the configuration of the IPsec interfaces.
CancelCancels the configuration of the IPsec interfaces.

Interactive features

Some operations listed in the taskbar can be performed by right-clicking on the table of loopback interfaces:

  • Add,
  • Delete,
  • Check usage.

Presentation of the table

The table sets out four fields of information:

StatusStatus of the interfaces:
  • Enabled: Double-click to enable the created interface.
  • Disabled: The interface is not in operation. The line will be grayed out in order to reflect this.
Name(mandatory)Give the loopback interface a name.
IPv4 address (mandatory),Enter the IP address assigned to the loopback interface created.
Comments(optional)Any text.