6-20
File uploaded successfully.
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When you backup an application file, if a file having the same name with the file to be backed up
exists on the server, the system overwrites the file on the server directly.
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You can backup a configuration file using the same method as backing up an application file.
Upgrading the Application with FTP
When the application file is large, you can also upgrade it using FTP to save upgrade and maintenance
time.
File Transfer Protocol (FTP) is an application layer protocol in the TCP/IP suite. It is mainly used for file
transfer between remote hosts. FTP provides reliable and connection-oriented data transfer service
over TCP. Compared with TFTP, the FTP software is much bigger.
There are two approaches to upgrading an application file using FTP:
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Using the BootWare menu. In this approach, the U200 series device can serve as the FTP client
only.
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Using command lines. In this approach, the U200 series device can serve as either the FTP server
or the FTP client.
Upgrading the Application with FTP on the BootWare Menu
Step1
Set up an FTP upgrade environment.
Figure 6-10
Set up an FTP upgrade environment
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The U200 series device serves as the FTP client, and PC serves as the FTP server.