Users Guide
Command Modes CONFIGURATION
Command History
This guide is platform-specic. For command information about other platforms, refer to the relevant Dell 
Networking OS Command Line Reference Guide.
The following is a list of the Dell Networking OS version history for this command.
Version Description
9.7(0.0) Introduced on the S6000-ON.
9.0.2.0 Introduced on the S6000.
8.3.19.0 Introduced on the S4820T.
8.3.11.1 Introduced on the Z9000.
8.3.7.0 Introduced on the S4810.
8.1.1.0 Introduced on the E-Series ExaScale.
7.6.1.0 Introduced on the S-Series.
7.5.1.0 Introduced on the C-Series.
6.4.1.0 Introduced
Usage Information You cannot delete the Null interface. The only conguration command possible in a Null interface is ip 
unreachables.
Example
Dell(conf)#interface null 0
Dell(conf-if-nu-0)#
Related Commands
interface — congures a physical interface.
interface loopback — congures a Loopback interface.
interface port-channel — congures a port channel.
interface vlan — congures a VLAN.
ip unreachables — enables generation of internet control message protocol (ICMP) unreachable messages.
interface range
This command permits conguration of a range of interfaces to which subsequent commands are applied (bulk conguration). Using 
the interface range command, you can enter identical commands for a range of interface.
S4820T
Syntax
interface range interface {slot/port | port} — port}, interface {slot/port 
| port} — port},...
Parameters
interface {slot/port 
| port} — port}, 
interface {slot/port 
| port} — port},...
Enter interface range and one of the interfaces and then slot/port, port-
channel, or VLAN number information. Select the range of interfaces for bulk 
conguration. You can enter up to six comma-separated ranges. Spaces are not 
Interfaces
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