媒体访问控制地址（又称MAC 地址）在连接到 Internet 方面起着至关重要的作用。要使用互联网，您必须拥有一张网卡，并且每张网卡都有一个唯一的MAC 地址^{(MAC Address)}。如果您有任何与MAC 地址^{(MAC Address)}相关的问题，您可能无法使用互联网。

如果您使用Wi-Fi路由器从家中的所有设备上使用互联网，并且Wi-Fi路由器的密码较弱，那么您的邻居很容易窃取您的数据。如果 2-3 台设备同时使用您的路由器，您肯定会获得非常低的速度。简而言之，您需要使用强密码^{(strong password)}保护您的 Wi-Fi^{(secure your Wi-Fi)}路由器。谈到 Wi-Fi 安全，MAC过滤是第一位的。

由于您不能在多个设备中使用一张网卡，因此两台设备不能具有相同的MAC 地址^{(MAC Address)}。因此，您可以轻松启用MAC过滤来阻止未经授权的设备使用您的互联网。如果您启用MAC过滤，您的路由器将检查您设备的MAC 地址^{(MAC Address)}和给定的MAC 地址^{(MAC Address)}。如果这两个MAC 地址^{(MAC Address)}不匹配，则无法连接到 Wi-Fi 路由器。

在 Dlink 路由器中设置 MAC 过滤

首先，您必须找到用于连接路由器的设备MAC地址。^(MAC)现在，您可以做两件事。首先^(First)，您可以检查自己的MAC 地址^{(MAC Address)}并进一步使用它。其次^(Second)，您可以将您的设备连接到Wi-Fi路由器一次，并让它自动检测MAC 地址^{(MAC Address)}。这两种方法都是相同的并且工作正常。

因此，您可以检查您PC的MAC 地址，以便在启用^{(MAC Address)}MAC过滤之前对其进行验证。这是一个很好的做法。否则，如果您输入错误的MAC地址，您会遇到一些问题。

无论如何，要检查PC的MAC 地址，请打开^{(MAC Address)}命令提示符^{(Command Prompt)}，键入cmd，然后按 Enter。之后，键入ipconfig /all 并按Enter按钮。你会得到这样的物理地址-^{(Physical Address)}

G8-2B-72-EF-D6-8D

现在，打开Dlink路由器面板并输入您的凭据登录。默认Dlink IP地址为 192.168.0.1 或 192.168.1.1

现在，转到ADVANCED选项卡并切换到NETWORK FILTER。在这里，您将获得MAC 过滤规则^{(MAC FILTERING RULES)}。只需^(Just)单击下拉菜单并选择“打开 MAC 过滤并允许^(ALLOW)列出的计算机访问网络”。

现在，从DHCP 客户端列表^{(DHCP Client List)}中选择设备并点击箭头^{(arrow )}按钮。MAC 地址^{(MAC Address)}将被自动选择。最后，点击保存设置^{(Save Settings )}按钮。您的路由器将重新启动以进行更改。

之后，您将无法通过任何未经授权的设备使用互联网。要在设置完所有内容后添加更多设备，您需要手动复制MAC地址，然后在此处输入。

如果您忘记了Wi-Fi密码怎么办

如果您设置了MAC 过滤^{(MAC Filtering)}并忘记了路由器的控制面板密码，您需要做的就是重置您的路由器。没有其他方法可以打开面板。有人声称通过更改MAC 地址^{(MAC Address)}成功登录，但我个人尝试失败。

如果您想查看一些MAC 地址更改工具^{(MAC Address Changer Tools)}，请前往此处。

How to setup MAC filtering in Dlink router

Media Aсcess Сontrol Address aka MAC Address plays a vitаl role to connect to the internet. To use the internet, you must have a network card and every network card has one unique MAC Address. Іf you have any MAC Address rеlated issues, you mаy fail to use the internet.

If you are using a Wi-Fi router to use the internet from all devices at your home and the Wi-Fi router has a weak password, your neighbor can easily steal your data. You will certainly get very low speed if 2-3 devices use your router simultaneously. In simple words, you need to secure your Wi-Fi router using a strong password. When it comes to Wi-Fi security, MAC filtering comes first.

As you cannot use one network card in more than one device, two devices cannot come with the same MAC Address. Therefore, you can easily enable MAC filtering to block unauthorized devices to use your internet. If you enable MAC filtering, your router will check your device’s MAC Address and given MAC Address. If those two MAC Addresses do not match together, you cannot connect to the Wi-Fi router.

Setup MAC filtering in Dlink router

At first, you have to find your device’s MAC address that you will use to connect to the router. Now, there are two things you can do. First, you can check your own MAC Address and use it further. Second, you can connect your device to the Wi-Fi router once and let it detect the MAC Address automatically. Both of the methods are same and work fine.

Therefore, you can check your MAC Address of your PC so that you can verify it before enabling MAC filtering. This is a good practice. Otherwise, you will get some problems if you enter the wrong MAC address.

Anyway, to check the MAC Address of your PC, open Command Prompt, type cmd, and hit Enter. After that, type ipconfig /all and hit the Enter button. You will get Physical Address like this-

G8-2B-72-EF-D6-8D

Now, open the Dlink router panel and enter your credential to log in. The default Dlink IP address is 192.168.0.1 or 192.168.1.1

Now, go to ADVANCED tab and switch to NETWORK FILTER. Here you will get MAC FILTERING RULES. Just click on the drop-down menu and select “Turn MAC Filtering ON and ALLOW computers listed to access the network”.

Now, select the device from DHCP Client List and hit the arrow button. MAC Address will be selected automatically. At last, click on Save Settings button. Your router will take a restart to make the change.

After that, you cannot use the internet from any unauthorized devices. To add more devices after setting up everything, you will need to copy the MAC address manually and then enter it here.

What if you forget the Wi-Fi password

If you have set up MAC Filtering and forgot the router’s control panel password, all you need to do is to reset your router. There is no other way to open the panel. Some people have claimed that they have successfully logged in by changing the MAC Address, but my personal attempt was failed.

Go here if you want to take a look at some MAC Address Changer Tools.

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