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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. (Suppose the null interface supports traffic
statistics collection.)
<Sysname> display interface null 0
NULL0
Current state: UP
Line protocol state: UP(spoofing)
Description: NULL0 Interface
Bandwidth: 1000000kbps
Maximum Transmit Unit: 1500
Internet protocol processing: disabled
Physical: NULL DEV
Last clearing of counters: Never
Last 300 seconds input:
Last 300 seconds output:
Input: 0 packets, 0 bytes, 0 drops
Output: 0 packets, 0 bytes, 0 drops
# Display detailed information about interface Null 0. (Suppose the null interface does not support traffic
statistics collection.)
<Sysname> display interface null 0
NULL0
Current state: UP
Line protocol state: UP(spoofing)
Description:
Maximum Transmit Unit: 1500
Internet protocol processing: disabled
Physical: NULL DEV
Last clearing of counters: Never
# Display brief information about interface Null 0.
<Sysname> display interface null 0 brief
Brief information on interface(s) under route mode:
Link: ADM - administratively down; Stby - standby
Protocol: (s) - spoofing
Interface
NULL0
0 bytes/sec, 0 bits/sec, 0 packets/sec
0 bytes/sec, 0 bits/sec, 0 packets/sec
NULL0 Interface
Link Protocol Main IP
UP
UP(s)
Description
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