
AP-5131 Access Point Product Reference Guide
4-44
The DHCP Server needs to be configured with the above mentioned vendor specific options 
and vendor class identifier. The update is conducted over the LAN or WAN port depending 
on which is the active port at the time the firmware update request is made.
Configure the Update Firmware field as required to set a filename and target firmware file 
upload location for manual firmware updates. 
4. Specify the name of the target firmware file within the Filename field.
5. If the target firmware file resides within a directory, specify a complete path for the file 
within the Filepath(optional) field.
6. Enter an IP address for the FTP or TFTP server used for the update. Only numerical IP address 
names are supported, no DNS can be used.
7. Select either the FTP or TFTP button to define whether the firmware file resides on a FTP or 
TFTP server.
8. Set the following FTP or TFTP parameters:
Enable Automatic 
Firmware Update
Select this checkbox to allow an automatic firmware update each 
time firmware versions are found to be different between the 
AP-5131 and the LAN or WAN interface. This option is used in 
conjunction with other DHCP options configured on a DHCP server. 
Symbol recommends selecting the Enable Automatic 
Configuration Update checkbox if auto-updating AP-5131 
firmware, as backing up the AP-5131 configuration is always 
recommended before updating device firmware. If this function is 
disabled, the firmware update is required to be done manually. If 
this option is enabled, the AP-5131 initiates an update any time the 
AP-5131 reboots. If the files located on the DHCP server are 
different from the existing files on the AP-5131, the files are 
updated. The default setting is enabled on the AP-5131 WAN port.
Enable Automatic 
Configuration Update
Select this checkbox to allow an automatic configuration file 
update each time the configuration file versions are found to be 
different between the AP-5131 and the LAN or WAN interface. If 
this function is disabled, the configuration file update is required to 
be done manually. If this function is disabled, the firmware update 
is required to be done manually. If this option is enabled, the 
AP-5131 initiates an update any time the AP-5131 reboots. If the 
files located on the DHCP server are different from the existing files 
on the AP-5131, the files are updated. The default setting is 
enabled on the AP-5131 WAN port.