为什么有MAC地址还要IP_IP与MAC映射表

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public void netmac() { //获取IP和MAC地 object netmac; string st = “”;

ManagementObjectSearcher Wmi = new ManagementObjectSearcher(“SELECT * FROM Win32_NetworkAdapterConfiguration”); foreach (ManagementObject WmiObj in Wmi.Get()) { if (Convert.ToBoolean(WmiObj[“IPEnabled”])) { System.Array ar; ar = (System.Array)(WmiObj.Properties[“IPAddress”].Value); st = ar.GetValue(0).ToString(); Console.WriteLine(“IP(” + st + “)|” + “MAC(” + WmiObj[“MACAddress”] + “)” + “\n”); netmac = WmiObj[“MACAddress”]; //Console.WriteLine(netmac); netmac = netmac.ToString().Replace(“:”, “”); //Console.WriteLine(netmac); } } }

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