3Com S7902E, Configuration Manual

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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 Loopback and Null 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 a
loopback interface or the null
interface reset counters interface
[ interface-type
[ interface-number ] ]
Available in user view