display interface null

Use display interface null to display information about the null interface.

Syntax

display interface [ null [ 0 ] ] [ brief [ description ] ]

Views

Any view

Predefined user roles

network-admin

network-operator

Parameters

0: Specifies interface Null 0.

brief: Displays brief interface information. If you do not specify this keyword, the command displays detailed interface information.

description: Displays complete interface descriptions. If you do not specify this keyword, the command displays only the first 27 characters of interface descriptions.

Usage guidelines

If the null keyword is not specified, the command displays information about all interfaces of the device.

If the null keyword is specified but the 0 keyword is not specified, the command displays information about interface Null 0. This is because the device has only one null interface Null 0.

Examples

# Display detailed information about interface Null 0.

<Sysname> display interface null 0
NULL0
Current state: UP
Line protocol state: UP (spoofing)
Description: NULL0 Interface
Bandwidth: 0kbps
Maximum transmission unit: 1500
Internet protocol processing: Disabled
Physical: NULL DEV
Last clearing of counters: Never
Last 300 seconds input rate:  0 bytes/sec, 0 bits/sec, 0 packets/sec
Last 300 seconds output rate:  0 bytes/sec, 0 bits/sec, 0 packets/sec
Input: 0 packets, 0 bytes, 0 drops
Output: 0 packets, 0 bytes, 0 drops

# Display brief information about interface Null 0.

<Sysname> display interface null 0 brief
Brief information on interfaces in route mode:
Link: ADM - administratively down; Stby - standby
Protocol: (s) - spoofing
Interface            Link Protocol Primary IP         Description
NULL0                UP   UP(s)    --                 aaaaaaaaaaaaaaaaaaaaaaaaaaa

# Display brief information about interface Null 0, including the complete description of the null interface.

<Sysname> display interface null 0 brief description
Brief information on interfaces in route mode:
Link: ADM - administratively down; Stby - standby
Protocol: (s) - spoofing
Interface            Link Protocol Primary IP         Description
NULL0                UP   UP(s)    --                 aaaaaaaaaaaaaaaaaaaaaaaaaaaaa
aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa

For the command output, see Table 13 and Table 14.

Related commands

interface null

reset counters interface null