局域网MAC和IP地址绑定如何共享上网?

2025-02-20 14:13:23
推荐回答(1个)
回答1:

MAC地址存储在网卡的EEPROM中并且唯一确定,但网卡驱动在发送Ethernet报文时,并不从EEPROM中读取MAC地址,而是在内存中来建立一块缓存区,Ethernet报文从中读取源MAC地址。而且,用户可以通过操作系统修改实际发送的Ethernet报文中的源MAC地址。 打开“网上邻居”属性,选中对应的网卡并选择属性,在属性页的“常规”页中点击“配置”按钮。在配置属性页中选择“高级”,再在“属性”栏中选择“Network Address”,在“值”栏中选中输人框,然后在输人框中输人正常接入那台电脑的MAC地址,再设为相同的IP地址,就可单机正常上网。但这种方法只适合于某台电脑需要临时上网的情况。 ② 利用主机共享上网 ARP命令仅对局域网的上网代理服务器有用,而且是针对静态IP地址,如果采用MODEM拨号上网或是动态IP地址就不起作用,所以大家完全可用ICS这类网关类软件达到多机共享目标。 其实现方法我们以前有多次介绍,现在简述如下。主机采用MODEM拨号上网,主机IP设为192.168.0.1,客户机IP为192.168.0.2,默认网关192.168.0.1,然后在主机中启用连接共享即可。这种方法也可通过交换机实现多机接入,但缺点也显而易见,必需占用一台主机做服务器。 ③ 利用MAC地址克隆 对付MAC绑定最好的办法还是通过MAC地址克隆功能,目前大多数ADSL MODEM、宽带路由器、无线路由器都具备此功能。MAC地址克隆的原理就是将被绑定的那台电脑的网卡MAC地址故意暴露给ISP服务器看,让ISP服务器认为只使用了单台的电脑,而实际上多台电脑在共享上网。 要实现MAC地址克隆功能很简单,只需在被绑定的那台电脑上,进入宽带路由器、无线路由器的WEB设置页面,找到“WAN”或“Clone MAC”选项,选择“Clone MAC(克隆MAC地址)”,便可将当前计算机的网卡的MAC地址克隆到路由器的广域网(WAN)端口。保存后重新启动宽带路由器、无线路由器即可正常的多机共享上网冲浪了。

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