HP 830 User Manual

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If you specify the null keyword, this command displays information about interface Null 0 with or without
the 0 keyword, because the device supports only one null interface.
Examples
# Display detailed 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 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 5 for the display interface null command output.
Related commands
interface null
interface loopback
Use interface loopback to create a loopback interface or enter loopback interface view.
Use undo interface loopback to remove a loopback interface.
Syntax
interface loopback interface-number
undo interface loopback interface-number
Views
System view
Default command level
2: System level
Parameters
interface-number: Specifies a loopback interface by its number. The loopback interface number is
always 0.

HP 830 Specifications

General

Manageable	Yes
Ports	24 x 10/100/1000 ports, 4 x SFP ports
Power Supply	Internal power supply
Operating Temperature	32°F to 113°F (0°C to 45°C)
Dimensions	17.32 x 10.24 x 1.72 in (44 x 26 x 4.37 cm)