4000 Router Series Layer 3 - IP Services Command Reference

IP addressing commands

display ip interface

Use display ip interface to display IP configuration and statistics for the specified Layer 3 interface or all

Layer 3 interfaces.

Syntax

display ip interface [ interface-type interface-number ]

Views

Any view

Predefined user roles

network-admin

network-operator

Parameters

interface-type interface-number: Specifies an interface by its type and number.

Usage guidelines

Use the display ip interface command to display IP configuration and statistics for the specified Layer 3

interface. The statistics include the number of unicast packets, bytes, and number of multicast packets the

interface has sent and received, and the number of TTL-invalid packets and ICMP packets the interface

has received.

The packet statistics helps you locate a possible attack on the network.

If you do not specify any interface, the command displays information about all Layer 3 interfaces.

Examples

# Display IP configuration and statistics for Ethernet 1/1.

<Sysname> display ip interface ethernet 1/1

Ethernet1/1 current state : DOWN

Line protocol current state : DOWN

Internet Address is 1.1.1.1/8 Primary

Broadcast address : 1.255.255.255

The Maximum Transmit Unit : 1500 bytes

input packets : 0, bytes : 0, multicasts : 0

output packets : 0, bytes : 0, multicasts : 0

TTL invalid packet number: 0

ICMP packet input number: 0

Echo reply: 0

Unreachable: 0

Source quench: 0

Routing redirect: 0

Echo request: 0

Router advert: 0