Command Line Reference Guide

576 | Interfaces
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interface
c e s
Configure a physical interface on the switch.
Syntax
interface interface
Parameters
Defaults
Not configured.
Command Modes
CONFIGURATION
Command
History
Example
Figure 23-5. interface Command Example
Usage
Information
You cannot delete a physical interface.
By default, physical interfaces are disabled (shutdown) and are in Layer 3 mode. To place an interface
in mode, ensure that the interface’s configuration does not contain an IP address and enter the
switchport command.
Related
Commands
interface
Enter one of the following keywords and slot/port or number information:
• For 100/1000 Ethernet interface, enter the keyword
GigabitEthernet followed by
the slot/port information.
• For a 1-Gigabit Ethernet interface, enter the keyword
GigabitEthernet followed
by the slot/port information.
• For SONET interfaces, enter the keyword
sonet followed by the slot/port
information.
• For a 10-Gigabit Ethernet interface, enter the keyword
TenGigabitEthernet
followed by the slot/port information.
• For a 40-Gigabit Ethernet interface, enter the keyword
fortyGigE followed by the
slot/port information.
Version 8.4.6.0
Added support for the keyword
fortyGigE.
Version 8.1.1.0 Introduced on E-Series ExaScale
Version 7.6.1.0 Introduced on S-Series
Version 7.5.1.0 Introduced on C-Series
Version 6.4.1.0 Introduced
FTOS(conf)#interface gig 0/0
FTOS(conf-if-gi-0/0)#exit#
interface loopback Configure a Loopback interface.
interface null Configure a Null interface.
interface port-channel Configure a port channel.
interface sonet Configure a SONET interface.
interface vlan Configure a VLAN.
show interfaces Display interface configuration.