H3C S7500E Series Command Reference

6-6
exclude: Displays the 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, which is a case sensitive string of 1 to 256
characters.
Description
Use the display interface null command to display information about the null interface.
 If you do not specify the null keyword, this command displays information about all interfaces.
 Even if you do not specify the 0 keyword, this command displays information about interface Null 0
because interface Null 0 is the only null interface on a device.
Related commands: interface null.
Examples
# Display information about null interface Null 0.
<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 Null0.
<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 6-1 for the display interface null command output description.
The average input/output rate or input/output packets of interface Null 0 are displayed as “0” in the
display interface null command output because the S7500E series Ethernet switches do not count
these fields.
interface loopback
Syntax
interface loopback interface-number

H3C S7500E Series Specifications

General

Brand	H3C
Model	S7500E Series
Category	Switch
Language	English