Concept Guide

Example
Dell(conf)#interface managementethernet 0/0
Dell(conf-if-ma-0/0)#
interface null
Congure a Null interface on the switch.
Syntax
interface null number
Parameters
number Enter zero (0) as the Null interface number.
Defaults Not congured; number = 0
Command Modes CONFIGURATION
Supported Modes Full–Switch
Command History
Version Description
9.9(0.0) Introduced on the FN IOM.
9.2(0.0) Introduced on the M I/O Aggregator.
8.3.16.1 Introduced on the MXL 10/40GbE Switch IO Module.
Usage Information You cannot delete the Null interface. The only conguration command possible in a Null interface is ip
unreachables.
Example
Dell(conf)#interface null 0
Dell(conf-if-nu-0)#
Related Commands
interface — congures a physical interface.
interface loopback — congures a Loopback interface.
interface port-channel — congures a port channel.
interface vlan — congures a VLAN.
ip unreachables — enables generation of internet control message protocol (ICMP) unreachable messages.
interface range
This command permits conguration of a range of interfaces to which subsequent commands are applied (bulk conguration). Using the
interface range command, you can enter identical commands for a range of interface.
Syntax
interface range interface, interface,...
To delete a description, enter no description command.
Parameters
interface,
interface,...
Enter the keyword interface range and one of the interfaces — slot/port, port-channel or
VLAN number. Select the range of interfaces for bulk conguration. You can enter up to
Interfaces 545