R3166-R3206-HP High-End Firewalls Network Management Command Reference-6PW101

Table Of Contents
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For the command output description, see Table 5.
interface loopback
Syntax
interface loopback interface-number
undo interface loopback interface-number
View
System view
Default level
2: System level
Parameters
interface-number: Loopback interface number, ranging from 0 to 1023.
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.
Examples
# Create interface Loopback 5.
<Sysname> system-view
[Sysname] interface loopback 5
[Sysname-LoopBack5]
interface null
Syntax
interface null 0
View
System view
Default level
2: System level
Parameters
0: Specifies interface Null 0. The null interface number is fixed to 0.
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 and cannot be
removed.