1-3
To do…
Use the command…
Remarks
Enter null interface view
interface null 0
Required
The Null 0 interface is the default null
interface on your device. It cannot be
manually created or removed.
Set a description for the
null interface
description text
Optional
By default, the description of an interface
is the interface name followed by the
“Interface” string.
Displaying and Maintaining Logical Interfaces
To do…
Use the command…
Remarks
Display information about
loopback interfaces
display interface loopback
[
interface-number
]
Available in any view
Display information about the null
interface
display interface null
[
0
]
Available in any view
Clear the statistics on loopback
or Null interfaces
reset counters interface
[
interface-type
[
interface-number
] ]
Available in user view