Change IP address to 172.16.0.x on D-Link DWR 920

changeDHCPSettings.js

// Copy from the original funcion on the router.
// The router only allows IPs with 192.168. prefix, and subnet mask 255.255.255.0
// Run on console, and then call applicationApi_dhcpsettingsSet();

function applicationApi_dhcpsettingsSet() {
    cpApi_get_authId();

    var ip_addr = '172.16.0.200';
    var start_addr = '172.16.0.201';
    var num = 41;
    var post_data = {
        CfgType :"lan_setup",
        ip4_addr: ip_addr,
        ip4_subnet_mask: 16,
        enable: 1, //DHCP
        start_ip: start_addr,
        num: num,
        authID: auth_id,
        changeToNotice: 1
    };

    var request = $.ajax({
        url: "/webpost.cgi",
        type: "POST",
        data: JSON.stringify(post_data),
        dataType: "json"
    });
    
    request.done(function (responseData, textStatus, jqXHR) {    
        clearCookies();
        alert(global_lang['alerts_set']['dhcp_settings_success']);
        var path = "http://" + ip_addr + "/";
        dhcpRedirect(60, path); 
    });
}