Interface Loopback; Interface Null - HP A5830 Series Command Reference Manual

interface loopback

Description
Use the interface loopback command to create a loopback interface or enter loopback interface view.
Use the undo interface loopback command to remove a loopback interface.
Related commands: display interface loopback.
Syntax
interface loopback interface-number
undo interface loopback interface-number
View
System view
Default level
2: System level
Parameter
interface-number: Specifies the loopback interface number, ranging from 0 to 127.
Example
# Create interface loopback 5.
<Sysname> system-view
[Sysname] interface loopback 5
[Sysname-LoopBack5]

interface null

Description
Use the interface null command to enter null interface view.
A device has only one null interface, interface Null 0. Interface Null 0 is always up. You cannot remove
or shut it down.
Related commands: display interface null.
Syntax
interface null 0
View
System view
Default level
2: System level
Parameter
0: Specifies interface Null 0. The null interface number is fixed to 0.
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