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(*) -with main attribute (b) -with backup attribute
(*b) -with both main and backup attribute
File Attribute Configuration
Introduction to File Attributes
The following three startup files support file attribute configuration:
z App files: An app file is an executable file, with .bin as the extension.
z Configuration files: A configuration file is used to store and restore configuration, with .cfg as the
extension.
z Web files: A Web file is used for Web-based network management, with .web as the extension.
The app files, configuration files, and Web files support three kinds of attributes: main, backup and none,
as described in
Table 1-6.
Table 1-6 Descriptions on file attributes
Attribute name Description Feature Identifier
main
Identifies main startup
files. The main startup file
is preferred for a switch
to start up.
In the Flash memory, there
can be only one app file, one
configuration file and one
Web file with the main
attribute.
(*)
backup
Identifies backup startup
files. The backup startup
file is used after a switch
fails to start up using the
main startup file.
In the Flash memory, there
can be only one app file, one
configuration file and one
Web file with the backup
attribute.
(b)
none
Identifies files that are
neither of main attribute
nor backup attribute.
— None
A file can have both the main and backup attributes. Files of this kind are labeled *b.
Note that, there can be only one app file, one configuration file and one Web file with the main attribute
in the Flash memory. If a newly created file is configured to be with the main attribute, the existing file
with the main attribute in the Flash memory will lose its main attribute. This circumstance also applies to
the file with the backup attribute in the Flash memory.
File operations and file attribute operations are independent. For example, if you delete a file with the
main attribute from the Flash memory, the other files in the flash memory will not possess the main
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