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interface null
Configure a Null interface on the switch.
Syntax
interface null number
Parameters
number Enter zero (0) as the Null interface number.
Defaults Not configured; 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 configuration command possible in a Null interface is ip
unreachables.
Example
Dell(conf)#interface null 0
Dell(conf-if-nu-0)#
Related
Commands
interface — configures a physical interface.
interface loopback — configures a Loopback interface.
interface port-channel — configures a port channel.
interface vlan — configures a VLAN.
ip unreachables — enables generation of internet control message protocol (ICMP) unreachable
messages.
interface range
This command permits configuration of a range of interfaces to which subsequent commands are applied (bulk configuration).
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 configuration. You
can enter up to six comma separated ranges—spaces are not required between the
commas. Comma-separated ranges can include VLANs, port-channels and physical
interfaces.
Slot/Port information must contain a space before and after the dash. For example,
interface range tengigabitethernet 0/1 - 5 is valid; interface
range tengigabitethernet 0/1-5 is not valid.
● For a 10-Gigabit Ethernet interface, enter the keyword
TenGigabitEthernet followed by the slot/port information.
●
For a VLAN, enter the keyword vlan followed by a number from 1 to 4094.
Defaults none
Command Modes CONFIGURATION
Supported Modes All Modes
488 Interfaces