1,在局域网中可以广播修改Ip地址,采用的是udp协议;
采用的组播地址:239.255.255.250 端口号:37020
2,发送的数据格式,统一使用 Xml格式的数据;
<?xml version="1.0" encoding="UTF-8"?>
<Probe>
<Uuid>9D6ED2F3-3466-473C-8295-8F0168829022</Uuid>
<Types>update</Types>
<PWErrorParse>true</PWErrorParse>
<MAC>00-A4-0E-FE-BE-EE</MAC>
<DeviceType></DeviceType>
<Password>0</Password>
<IPv4Address>192.168.2.203</IPv4Address>
<CommandPort>5000</CommandPort>
<HttpPort>80</HttpPort>
<IPv4SubnetMask>255.255.255.0</IPv4SubnetMask>
<IPv4Gateway>192.168.2.1</IPv4Gateway>
<DNS>192.168.2.1</DNS>
<IPv6Address>::</IPv6Address>
<IPv6Gateway></IPv6Gateway>
<IPv6MaskLen>64</IPv6MaskLen>
<DHCP>false</DHCP>
</Probe>
说明:
1,在局域网广播搜索出设备后,需要保存其对应的mac、ip地址,当然mac地址也是唯一;
2,设置其 MAC地址对应设备ip地址为新的ip地址 192.168.2.203;