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125 BINARY mode data connection already open, transfer starting for /newest.bin.
226 Transfer complete.
FTP: 23951480 byte(s) received in 95.399 second(s), 251.00K byte(s)/sec.
# Set the file transfer mode to ASCII, and upload the configuration file config.cfg from the device to
the PC for backup.
[ftp] ascii
[ftp] put config.cfg back-config.cfg
227 Entering Passive Mode (10,1,1,1,4,2).
125 ASCII mode data connection already open, transfer starting for /config.cfg.
226 Transfer complete.
FTP: 3494 byte(s) sent in 5.646 second(s), 618.00 byte(s)/sec.
[ftp] bye
221 Server closing.
# Specify newest.bin as the main system software image file for the next startup.
<Sysname> boot-loader file newest.bin slot 1 main
IMPORTANT:
The system software image file used for the next startup must be saved in the Flash root directory.
You can copy or move a file to the Flash root directory.
# Reboot the device, and the system software image file is updated at the system reboot.
<Sysname> reboot
Using the device as an FTP server
If the device is operating as an FTP server, make sure the following requirements are met to ensure
successful FTP operations:
•
The device and the FTP server can reach each other.
•
Configure a user account (including the username, password, and authorization) on the device
or a remote authentication server for an FTP user. This task is required because the device
does not support anonymous FTP for security reasons. By default, authenticated users can
access the root directory of the device.
•
The FTP user provides the correct username and password.
NOTE:
When you use the Internet Explorer browser to log in to the device operating as an FTP server,
some FTP functions are not available. This is because multiple connections are required during the
login process but the device supports only one connection at a time.
Configuring basic parameters
The FTP server uses one of the following modes to update a file when you upload the file (using the
put command) to the FTP server:
•
Fast mode—The FTP server starts writing data to the Flash after a file is transferred to the
memory. This prevents the existing file on the FTP server from being corrupted in the event that
anomaly, such as a power failure, occurs during a file transfer.
•
Normal mode—The FTP server writes data to the Flash while receiving data. This means that
any anomaly, such as a power failure, during file transfer might result in file corruption on the
FTP server. This mode, however, consumes less memory space than the fast mode.
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