R3721-F3210-F3171-HP High-End Firewalls Network Management Command Reference-6PW101

down: Displays information about interfaces in the 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 Getting Started 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 firewall.

• 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: 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 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 Link Protocol Main IP Description

Loop0 UP UP(s) --

# Display brief information about all loopback interfaces in the DOWN state.

<Sysname> display interface loopback brief down

The brief information of interface(s) under route mode:

Link: ADM - administratively down; Stby - standby

Interface Link Cause

Loop1 ADM Administratively