Maintenance 
300
S3300 Smart Managed Pro Switch 
10. Click the Cancel button to cancel the configuration on the screen and reset the data on the 
screen to the latest value on the switch.
HTTP File Download
Use the HTTP File Download screen to download files of various types to the switch through 
an HTTP session by using your web browser.
 To download a file to the switch by using HTTP:
1.  Select Main
tenance > Download > HTTP File Download.
Figure 109. HTTP File Download
2.  From the File Type list, specify the type of file to download to the switch. The factory default 
is Software.
• Sof
tware. The system software (STK) image, which is saved in one of two flash 
sectors called images (image1 and image2). The active image stores the active copy; 
the other image stores a second copy. The device boots and runs from the active 
image. If the active image is corrupted, the system automatically boots from the 
non-active image. This is a safety feature for faults occurring during the boot upgrade 
process.
• T
ext Configuration. A text-based configuration file enables you to edit a configured 
text file (startup-config) offline as needed without having to translate the contents for 
the switch to understand. The most common usage of text-based configuration is to 
export a working configuration from a device, edit it offline to personalize it for another 
similar device (for example, change the device name, serial number, IP address), and 
download it to that device.
• SSL T
rusted Root Certificate PEM File. SSL Trusted Root Certificate File (PEM 
Encoded).
• SSL Server Certificate PEM File. SSL Se
rver Certificate File (PEM Encoded).
• SSL DH W
eak Encryption Parameter PEM File. SSL Diffie-Hellman Weak 
Encryption Parameter File (PEM Encoded).
• SSL DH S
trong Encryption Parameter PEM File. SSL Diffie-Hellman Strong 
Encryption Parameter File (PEM Encoded).
Note: To download SSH key files, SSH must be administratively disabled, 
and there can be no active SSH sessions.