1-9 
Displaying and Maintaining Hotfix 
To do…  Use the command…  Remarks 
Display the patch information 
display patch information 
Available in any view 
 
Hotfix Configuration Examples 
Hotfix Configuration Example (Single Device) 
Network requirements 
z  The software running on Device is of some problem, and thus hotfixing is needed. 
z  The patch file patch_xxx.bin is saved on the TFTP server. 
z  The IP address of Device is 1.1.1.1/24, and IP address of TFTP Server is 2.2.2.2/24. An available 
route exists between Device and TFTP server. 
Figure 1-6 Network diagram of hotfix configuration 
 
 
 
Configuration procedure 
1)  Configure TFTP Server. Note that the configuration varies depending on server type and the 
configuration procedure is omitted. 
z  Enable the TFTP server function. 
z  Save the patch file patch_xxx.bin to the directory of the TFTP server.  
2) Configure Device 
 
 
Make sure the free flash space of the device is big enough to store the patch file. 
 
# Before upgrading the software, use the save command to save the current system configuration. The 
configuration procedure is omitted. 
# Load the patch file patch_xxx.bin from the TFTP server to the root directory of the device storage 
medium. 
<Device> tftp 2.2.2.2 get patch_xxx.bin 
# Install the patch. 
<Device> system-view 
[Device] patch install flash: 
Patches will be installed. Continue? [Y/N]:y