Enter the Console interface configuration mode, create the interface if it does not exist, or delete the Console interface.

Enter the interface Dialer context, create the Dialer interface if it does not exist, or delete the Dialer interface.

Enter interface FastEthernet configuration mode, create a FastEthernet interface if it does not exist, or delete a FastEthernet interface.

Enter interface Loopback configuration mode, create a Loopback interface if it does not exist, or delete a Loopback interface or sub-interface.

Enter Serial interface or sub-interface configuration mode, create a Serial interface if it does not exist, or delete a Serial interface or sub-interface.

Enter interface tunnel configuration mode, create an interface tunnel if it does not exist, or delete an interface tunnel or sub-interface.

Enter the configuration context for the USB-modem interface, or reset the USB-modem interface settings to their factory defaults.

Enter interface VLAN configuration mode, create a VLAN interface if it does not exist, or delete a VLAN interface.

interface {console | dialer | FastEthernet | loopback | serial | tunnel | USB-modem | VLAN}

Enter interface configuration mode for the Console, Dialer, FastEthernet, Loopback, Serial, Tunnel, USB-modem, or VLAN interface.

Configure a description for the current interface.

Assign an IP address and mask to an interface or delete an interface.

Set the administrative state of an IP interface.

Update the interface broadcast address.

Set the load calculation interval for an interface.

Display information about an IP interface.

Display a summary of the information for a specific interface or for all the interfaces.

Set the administrative status of the current interface to down, or restore the administrative status of the interface to up.