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Fig. 26. TFTP server settings. 

When use TFTP as the firmware management protocol, you can configure settings for the AP’s TFTP 
client to communicate with a TFTP server. If the TFTP client does not get a response from the TFTP 
server within a period specified by the Timeout setting, it will resend the previous request. The Max 
number of retries setting specifies the maximal number of resend before the TFTP client stops 
communicating with the TFTP server. 

Within the folder “Utilities” on the companion CD-ROM disk, we offered a TFTP server program 
(TftpSrvr.exe) for firmware upgrade. Run this program on the computer that is to serve as a TFTP 
server. 

 

Fig. 27. Firmware upgrade by TFTP. 

1. 

Get a computer that will be used as a TFTP server and as a managing computer to trigger the 
upgrade process. 

2. 

Connect the computer and one of the LAN Ethernet switch port with a normal Ethernet cable. 

3. 

Configure IP address of the computer so that the AP and the computer are in the same IP subnet. 

4. 

On the computer, run the TFTP Server utility. And specify the folder in which the firmware files 
reside. 

5. 

On the computer, run a Web browser and click the General, Firmware Tools hyperlink.  

6. 

Choose TFTP as the Firmware management protocol. 

7. 

Specify the IP address of the computer, which acts as a TFTP server. If you don’t know the IP 
address of the computer, open a Command Prompt, and type IpConfig, then press the Enter key.  

8. 

Trigger the firmware upgrade process by clicking Upgrade.