45
Default level
1: Monitor level
Parameters
0: Specifies interface Null 0. The null interface number is fixed at 0, because the device has only one null
interface.
brief: Displays brief interface information. If you do not specify this parameter, this command displays
detailed interface information.
down: Displays information about interfaces in the DOWN state and the causes. If you do not specify this
parameter, this command displays information about interfaces in all states.
|: Filters command output by specifying a regular expression. For more information about regular
expressions, see Fundamentals Configuration Guide.
begin: Displays the first line that matches the specified regular expression and all lines that follow.
exclude: Displays all lines that do not match the specified regular expression.
include: Displays all lines that match the specified regular expression.
regular-expression: Specifies a regular expression, a case-sensitive string of 1 to 256 characters.
Examples
# Display detailed information about null interface Null 0. (Suppose the null interface supports traffic
accounting)
<Sysname> display interface null 0
NULL0 current state :UP
Line protocol current state :UP (spoofing)
Description : NULL0 Interface
The Maximum Transmit Unit is 1500
Internet protocol processing : disabled
Physical is NULL DEV
Last clearing of counters: Never
Last 300 seconds input: 0 bytes/sec, 0 bits/sec, 0 packets/sec
Last 300 seconds output: 0 bytes/sec, 0 bits/sec, 0 packets/sec
0 packets input, 0 bytes, 0 drops
0 packets output, 0 bytes, 0 drops
# Display brief information about interface Null 0.
<Sysname> display interface null 0 brief
The brief information of interface(s) under route mode:
Link: ADM - administratively down; Stby - standby
Protocol: (s) - spoofing
Interface Link Protocol Main IP Description
NULL0 UP UP(s) --
See Table 12 for the display interface null output description.
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