Reference Guide

572 | 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 loopback
c e s
Configure a Loopback interface.
Syntax
interface loopback number
To remove a loopback interface, use the no interface loopback number command.
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.
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.