6-1
6 Loopback and Null Interface Configuration
Commands
Loopback and Null Interface Configuration Commands
description
Syntax
description text
undo description
View
Loopback interface view, Null 0 interface view
Default Level
2: System level
Parameters
text: Description of the interface, a string of 1 to 80 characters. Currently, the device supports the
following types of characters or symbols: standard English characters (numbers and case-sensitive
letters), special English characters, spaces, and other characters or symbols that conform to the
Unicode standard.
An interface description can be the mixture of English characters and other Unicode characters.
The mixed description cannot exceed the specified length.
To use a type of Unicode characters or symbols in an interface description, you must install the
corresponding Input Method Editor (IME) and log in to the device through remote login software
that supports this character type.
Each Unicode character or symbol (non-English characters) takes the space of two regular
characters. When the length of a description string reaches or exceeds the maximum line width on
the terminal software, the software starts a new line, possibly breaking a Unicode character into
two parts. As a result, garbled characters may be displayed at the end of a line.
Description
Use the description command to set a description for the current interface.
Use the undo description command to restore the default.
By default, the description of an interface is the interface name followed by the word interface,
Loopback1 interface for example.
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