HP 830 Command Reference Manual page 30

brief: Displays brief interface information. If you do not specify this keyword, the command displays
detailed interface information.
down: Displays information about interfaces in down state and the causes. If you do not specify this
keyword, the 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.
Usage guidelines
If you do not specify the loopback keyword, this command displays information about all interfaces on
the device.
Examples
# Display detailed information about interface loopback 0.
<Sysname> display interface loopback 0
LoopBack0 current state: UP
Line protocol current state: UP (spoofing)
Description: LoopBack0 Interface
The Maximum Transmit Unit is 1536
Internet protocol processing : disabled
Physical is Loopback
Last clearing of counters:
Last 300 seconds input:
Last 300 seconds output:
0 packets input, 0 bytes, 0 drops
0 packets output, 0 bytes, 0 drops
# Display brief information about interface loopback 0.
<Sysname> display interface loopback 0 brief
The brief information of interface(s) under route mode:
Link: ADM - administratively down; Stby - standby
Protocol: (s) - spoofing
Interface
Loop0
# Display brief information about all loopback interfaces in DOWN state.
<Sysname> display interface loopback brief down
The brief information of interface(s) under route mode:
Link: ADM - administratively down; Stby - standby
Interface
Loop0
Never
0 bytes/sec, 0 bits/sec, 0 packets/sec
0 bytes/sec, 0 bits/sec, 0 packets/sec
Link Protocol Main IP
UP UP(s) --
Link Cause
ADM Administratively
25
Description