3Com MSR 30, MSR 50 manual Displayed

784CHAPTER 59: IP ADDRESSING CONFIGURATION COMMANDS

<Sysname> display ip interface brief ethernet 1/0

*down: administratively down
(s): spoofing
Interface	Physical	Protocol	IP Address
Ethernet1/0	up	up	192.168.0.1
Table 155 Description on fields of the display ip interface brief command
Field	Description
*down	The interface is administratively shut down with the shutdown
	command.
(s)	Spoofing attribute of the interface. It indicates that an interface whose
	network layer protocol is displayed up may have no link present or the
	link is set up only on demand.
Interface	Interface name
Physical	Physical state of interface
Protocol	Network layer protocol state of interface
IP Address	IP address of interface (if no IP address is configured, “unassigned” is
	displayed.)

ip address

Syntax ip address ip-address { mask mask-length } [ sub ]

undo ip address [ ip-address { mask mask-length } [ sub ] ]

View Interface view

Parameter ip-address: IP address of interface, in dotted decimal notation.

mask: Subnet mask in dotted decimal notation.

mask-length: Subnet mask length, the number of consecutive ones in the mask.

sub: Secondary IP address for the interface.

Description Use the ip address command to assign an IP address and mask to the interface. Use the undo ip address command to remove all IP addresses.

Use the undo ip address ip-address { mask mask-length } command to remove the primary IP address.

Use the undo ip address ip-address { mask mask-length } sub command to remove a secondary IP address.

By default, no IP address is assigned to any interface.

When assigning IP addresses to an interface, consider the following:

■You can assign only one primary IP address to an interface.