Command
Inteface
Use
Selects an interface on the router to enter into configuration mode.
Syntax
Router(config)#interface FastEthernet <0-6>
Optional Switches
-Async | Async interface |
-BVI | Bridge-Group Virtual Interface |
-CDMA-Ix | CDMA Ix interface |
-CTunnel | CTunnel interface |
-Dialer | Dialer interface |
-FastEthernet | FastEthernet IEEE 802.3 |
-Group-Async | Async Group interface |
-Lex | Lex interface |
-Loopback | Loopback interface |
-MFR | Multilink Frame Relay bundle interface |
-Multilink | Multilink-group interface |
-Null | Null interface |
-Port-channel | Ethernet Channel of interfaces |
-Tunnel | Tunnel interface |
-Vif | PGM Multicast Host interface |
-Virtual-PPP | Virtual PPP interface |
-Virtual-Template | Virtual Template interface |
-Virtual-TokenRing | Virtual TokenRing |
-range | interface range command |
Example
Since there are many different interface options we have added an interface section with some of the more useful commandsfor a CCNA candidate.
This example shows how to use the interface command to enter config mode for FastEthernet 0/0
R3(config)#interface fa0/0 |