4000 Router Series Layer 3 - IP Services Command Reference

If you do not specify the interface type and interface number, this command displays the brief IP

configuration information for all Layer 3 interfaces.

If you specify only the interface type, this command displays the brief IP configuration information for all

Layer 3 interfaces of the specified type.

If you specify both the interface type and interface number, this command displays the brief IP

configuration information for the specified interface is displayed.

Examples

# Display brief IP configuration information for Ethernet interfaces.

<Sysname> display ip interface ethernet brief

*down: administratively down

(s): spoofing

Interface Physical Protocol IP Address Description

Eth1/1 up up 5.5.5.1 Ethernet0...

Table 3 Command output

Field Descri

tion

*down: administratively

down

The interface is administratively shut down with the shutdown command.

(s) : spoofing

Spoofing attribute of the interface. It indicates that an interface might have no link

present even when its link layer protocol is displayed up or the link is set up only on

demand.

Interface Interface name.

Physical

Physical state of the interface:

• *down—The interface is administratively shut down with the shutdown

command.

• down—The interface is administratively up but its physical state is down (possibly

because of poor connection or line failure).

• up—Both the administrative and physical states of the interface are up.

Protocol

Link layer protocol state of the interface:

• down—The protocol state of the interface is down (typically when no IP address

is configured for the interface).

• up—The protocol state of the interface is up.

• up(s)—The protocol state of the interface is up (spoofing).

IP Address IP address of the interface. If no IP address is configured, unassigned is displayed.

Description

Interface description information, a maximum of 12 characters can be displayed. If

there are more than 12 characters, only the first nine characters are displayed.

Related commands

• display ip interface

• ip address

ip address

Use ip address to assign an IP address to the interface.

Use undo ip address to remove the IP address from the interface.