C#实现的获取路由器MAC地址，路由器外网地址。对于要获取路由器MAC地址，一定需要知道路由器web管理系统的用户名和密码。至于获取路由器的外网IP地址，可以不需要知道路由器web管理系统的用户名和密码，但是需要有一个代理页面获取客户端公网ip地址的，这样C#请求此页面即可获取到路由器公网ip地址。如：
http://xxxx.getip.ashx
测试路由为水星 MR804，水星 MR808，都可以成功重启路由和获取到路由器MAC和外网IP地址
源代码下载地址：C#实现路由器重启更换IP，获取路由器MAC地址源代码
using System.Text;using ;using System.Text.RegularExpressions;using System.IO;public class Router{Encoding gb2312 = Encoding.GetEncoding(936);//路由器的web管理系统默认编码为gb2312/// <summary>/// 使用HttpWebRequest对象发送请求/// </summary>/// <param name="url"></param>/// <param name="encoding">编码</param>/// <param name="cache">凭证</param>/// <returns></returns>private static string SendRequest(string url, Encoding encoding,CredentialCache cache){HttpWebRequest request = (HttpWebRequest)HttpWebRequest.Create(url);if (cache != null){request.PreAuthenticate = true;request.Credentials = cache;}string html = null;try{HttpWebResponse response = (HttpWebResponse)request.GetResponse();StreamReader srd = new StreamReader(response.GetResponseStream(), encoding);html = srd.ReadToEnd();srd.Close();response.Close();}catch (Exception ex) { html = "FALSE" + ex.Message; }return html;}/// <summary>/// 获取路由MAC和外网IP地址/// </summary>/// <param name="RouterIP">路由IP地址，就是网关地址了，默认192.168.1.1</param>/// <param name="UserName">用户名</param>/// <param name="Passowrd">密码</param>/// <returns></returns>private string LoadMACWanIP(string RouterIP,string UserName,string Passowrd){CredentialCache cache = new CredentialCache();string url = "http://" + RouterIP + "/userRpm/StatusRpm.htm";cache.Add(new Uri(url), "Basic", new NetworkCredential(UserName, Passowrd));return SendRequest(url, gb2312, cache);}}
出处：/article/0220/charp-get-router-wlan-ip-mac-address.aspx
