Interface Loopback - HP 830 Command Reference Manual

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 :
The Maximum Transmit Unit is 1500
Internet protocol processing : disabled
Physical is NULL DEV
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 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
NULL0
See Table 5
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.
NULL0 Interface
Never
0 bytes/sec, 0 bits/sec, 0 packets/sec
Link Protocol Main IP
UP UP(s)
for the display interface null command output.
0 bytes/sec, 0 bits/sec, 0 packets/sec
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Description