Reference Guide

614 | Interfaces
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interface null
c e s
Configure a Null interface on the switch.
Syntax
interface null number
Parameters
Defaults
Not configured; number = 0
Command Modes
CONFIGURATION
Command
History
Example
FTOS(conf)#interface null 0
FTOS(conf-if-nu-0)#
Usage
Information
You cannot delete the Null interface. The only configuration command possible in a Null
interface is ip unreachables.
Related
Commands
interface range
c e s
This command permits configuration of a range of interfaces to which subsequent commands
are applied (bulk configuration). Using the
interface range command, identical commands can
be entered for a range of interfaces.
Syntax
interface range interface, interface,...
number
Enter zero (0) as the Null interface number.
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
interface Configure a physical interface.
interface loopback Configure a Loopback interface.
interface port-channel Configure a port channel.
interface vlan Configure a VLAN.
ip unreachables Enable generation of ICMP unreachable messages.