4-5 
To do…  Use the command…  Remarks 
Display the currently measured 
value of the digital diagnosis 
parameters of the 
anti-spoofing optical 
transceiver(s) customized by 
H3C 
display transceiver 
diagnosis interface 
[ interface-type 
interface-number ] 
Available for anti-spoofing 
pluggable optical transceiver(s) 
customized by H3C only 
 
Displaying the Device Management Configuration 
To do…  Use the command…  Remarks 
Display the APP to be adopted at 
next startup 
display boot-loader [ unit unit-id ] 
Display the module type and 
operating status of each board 
display device [ manuinfo | unit 
unit-id ] 
Display CPU usage of a switch  display cpu [ unit unit-id ] 
Display the operating status of the 
fan 
display fan [ unit unit-id [ fan-id ] ] 
Display memory usage of a switch  display memory [ unit unit-id ] 
Display the operating status of the 
power supply 
display power [ unit unit-id 
[ power-id ] ] 
Display system diagnostic 
information or save system 
diagnostic information to a file with 
the extension .diag into the Flash 
memory 
display diagnostic-information 
Display enabled debugging on a 
specified switch 
display debugging { unit unit-id } 
[ interface interface-type 
interface-number ] [ module-name ] 
Available in any 
view. 
 
Remote Switch APP Upgrade Configuration Example 
Network requirements 
Telnet to the switch from a PC remotely and download applications from the FTP server to the Flash 
memory of the switch. Update the switch software by using the device management commands through 
CLI. 
The switch acts as the FTP client, and the remote PC serves as both the configuration PC and the FTP 
server. 
Perform the following configuration on the FTP server. 
z  Configure an FTP user, whose name is switch and password is hello. Authorize the user with the 
read-write right on the directory Switch on the PC. 
z  Make configuration so that the IP address of a VLAN interface on the switch is 1.1.1.1, the IP 
address of the PC is 2.2.2.2, and the switch and the PC is reachable to each other.