Open the web-interface of the Maxwell and go to the Expert page by changing the URL in the web-browser: /Expert/Network/DHCP Settings
Here you can disable the following DHCP options.
43,66,114,120 single value or separated via ","
Empty then all DHCP options are enabled.
Example:
<param name="NET.IP.IPv4.DHCP.Options.Disabled" value="43,66"/>