Руководство Пользователя для 3com 8807
806
C
HAPTER
70: FTP&TFTP C
ONFIGURATION
The switch application switch.app is stored on the PC. Using FTP, the PC can
upload the switch.app from the remote FTP server and download the vrpcfg.cfg
from the FTP server for backup purpose.
upload the switch.app from the remote FTP server and download the vrpcfg.cfg
from the FTP server for backup purpose.
Network diagram
Figure 189 Network diagram for FTP configuration
Configuration procedure
1 Configure the switch
# Log into the switch through the console port locally or Telnet remotely, and start
FTP function and set username, password and file directory.
FTP function and set username, password and file directory.
[SW8800] ftp server enable
[SW8800] local-user switch
[3Com-luser-switch] service-type ftp ftp-directory flash:
[3Com-luser-switch] password simple hello
2 Run FTP client on the PC and establish FTP connection. Upload the switch.app to
the switch under the Flash directory and download the vrpcfg.cfg from the switch.
FTP client is not shipped with the switch, so you need to buy it separately.
FTP client is not shipped with the switch, so you need to buy it separately.
c
CAUTION: If the Flash Memory of the switch is not enough, you need to first
delete the existing programs in the Flash Memory and then upload the new ones.
delete the existing programs in the Flash Memory and then upload the new ones.
3 When the uploading is completed, initiate file upgrade on the switch.
# Use the boot boot-loader command to specify the downloaded program as
the application at the next login and reboot the switch.
the application at the next login and reboot the switch.
<SW8800> boot boot-loader switch.app
<SW8800> reboot
TFTP Configuration
TFTP Overview
Trivial File Transfer Protocol (TFTP) is a simple file transmission protocol. It is initially
designed for the booting of free-disk systems (work stations or X terminals in
general). Compared with FTP, another file transmission protocol, TFTP has no
complicated interactive access interface or authentication control, and therefore it
can be used when there is no complicated interaction between the clients and
server. TFTP is implemented on the basis of UDP.
designed for the booting of free-disk systems (work stations or X terminals in
general). Compared with FTP, another file transmission protocol, TFTP has no
complicated interactive access interface or authentication control, and therefore it
can be used when there is no complicated interaction between the clients and
server. TFTP is implemented on the basis of UDP.
TFTP transmission is originated from the client end. To download a file, the client
sends a request to the TFTP server and then receives data from it and sends
sends a request to the TFTP server and then receives data from it and sends
Switch
PC
Network
Switch
Switch
PC
Network