HP 3600 v2 Series Command Reference Manual page 59

down: Displays information about interfaces in DOWN state and the causes. If you do not specify this
keyword, 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.
Description
Use display interface loopback to display information about a loopback interface.
If you do not specify the loopback keyword, this command displays information about all interfaces
•
on the device.
If you specify the loopback keyword without the interface-number argument, this command displays
•
information about all created loopback interfaces.
Related commands: interface loopback.
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
Table 12 Command output
Field
current state
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) --
Description
Physical state (up or administratively down) of the interface.
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Description