Reference Guide

interface loopback
Configure a Loopback interface.
S4820T
Syntax
interface loopback number
To remove a loopback interface, use the no interface loopback number command.
Parameters
number Enter a number as the interface number. The range is from 0 to 16383.
Defaults Not configured.
Command Modes CONFIGURATION
Command History
This guide is platform-specific. For command information about other platforms, refer to the
relevant FTOS Command Line Reference Guide .
The following is a list of the FTOS version history for this command.
Version 8.3.19.0 Introduced on the S4820T.
Version 8.3.11.1 Introduced on the Z9000.
Version 8.3.7.0 Introduced on the S4810.
Version 8.1.1.0 Introduced on the E-Series ExaScale.
Version 7.6.1.0 Introduced on the S-Series.
Version 7.5.1.0 Introduced on the C-Series.
Version 6.4.1.0 Introduced
Example
FTOS(conf)#interface loopback 1655
FTOS(conf-if-lo-1655)#
Related
Commands
interface — configures a physical interface.
interface null — configures a Null interface.
interface port-channel — configures a port channel.
interface vlan — configures a VLAN.
interface ManagementEthernet
Configure the Management port on the system (either the Primary or Standby RPM).
S4820T
Syntax
interface ManagementEthernet slot/port
Parameters
slot/port Enter the keyword ManagementEthernet, then the slot number (0
or 1) and port number zero (0).
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