Command Reference Guide

3Com Router 3000 Ethernet Family
Command Reference Guide
Chapter 4 Fundamental Logical Interface
Configuration Commands
3Com Corporation
4-25
4.5.3 mac-address
Syntax
mac-address H-H-H
undo mac-address
View
Virtual Ethernet interface view
Parameter
H-H-H: Mac address of virtual Ethernet interface, in hexadecimal format.
Description
Use the mac-address command to configure Mac address of virtual Ethernet interface.
Use the undo mac-address command to restore the default.
Example
# Configure MAC address of virtual Ethernet interface 10.
[3Com ] interface virtual-ethernet 10
[3Com -Virtual-Ethernet10/0/0] mac-address 1000-1000-1000
4.6 Configuration Command of Loopback Interface and Null
Interface
4.6.1 display interface loopback
Syntax
display interface loopback [ number ]
View
Any view
Parameter
number: Number of loopback interface, which must have been created. If no loopback
interface is specified, state about all created loopback interfaces is displayed.
Description
Use the display interface loopback command to view state about the specified or all
created loopback interfaces.
Related command: interface loopback.