Inteface Command on CISCO Router/Switch

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
R3(config-if)#

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