What does mac mean? Router. I believe everyone is familiar with routers. With a router, we can connect to wifi, and there is a mac code on the router. Next, I'll show you what mac means and the related contents of the router.

What does mac mean? Router 1 MAC represents the network card address.

The MAC address in the router has two meanings:

1, one is the network card address of the router itself.

2. One is the network card address of the device (computer, mobile phone, tablet, etc.). ) connect to the router.

The steps are as follows:

1. Enter192.168.0.1in the browser address bar, and enter the user name and password: admin enters the router management interface;

2. Click Advanced Settings-Filter-"MAC Address Filtering-Only users with the following MAC addresses are allowed to access the network;

3. Add the Mac address of the computer to the list.

Expand knowledge:

The MAC address is a return address. The mac address obtained is the MAC address of the router. After cloning, visit your computer from the external network, and the mac address obtained is the MAC address of your computer network card.

MAC(Medium/Media Access Control) address, which is used to represent the identifier of each site on the Internet, is expressed in hexadecimal number and is * * * six bytes (48 bits).

An address block can generate 224 different addresses. The MAC address is actually an adapter address or adapter identifier EUI-48.

What does mac mean? Router 2 What is a wireless router mac?

Mac is the identifier or ID number of the network card, which consists of 12 bits 16; The first four digits are the codes of the network card manufacturers, which are uniformly distributed by the World Organization for Standardization, followed by the network card codes; The MAC address of each network card is unique in the world, similar to the ID number we use.

Wireless router mac viewing method:

1. Look directly at the back of the router, as shown below, and you can see the MAC address.

2. Open a command prompt window, enter ipconfig and find the gateway address, such as192.168.1.1.

3. Enter arp -a in the command prompt window and find the corresponding ip address 192. 168. 1, which is the wireless routing MAC address.

What does mac mean? How does router 3 modify the MAC address?

How to modify the MAC address of our mobile phone? Simple, the simplest thing is to modify it with stupid software, but first you need ROOT/ jailbreak your mobile phone. For Android phones, you can try the software MacAddress after ROOT. The use of this software is relatively simple. As long as your mobile phone is successfully ROOTed, you can enter the MAC address you want to modify after installing the software, but the disadvantage of this software is that it can't support all devices, and some devices can't be modified successfully after using this modification method.

To download the file manager on your mobile phone, you can choose RE or es browser. The general method is to find the file: /etc/firmware/nvram.txt, open nvram.txt as text after backup, and find the following paragraph:

nocrc= 1

#nvram_override= 1

Revised as: macaddr = 00:11:22: 33: 44: 55.

nocrc= 1

nvram_override= 1

Please note that you need to delete the # here to modify it successfully. 00:11:22: 33: 44: 55 part is modified to the address you need.

Switch Wi-Fi once after saving, and the new MAC address will take effect. You can go to the mobile phone to verify whether the MAC address has been changed correctly. This method is suitable for most devices above Android 4.0. However, due to the complexity of the Android mobile phone system, different versions of Android may need to edit different files. For example, the files of some Android 4. 1 devices are under /etc/wifi/. If you can't find the corresponding file in the article, you can go to the forum of your mobile phone model to query the corresponding file.

As for iOS devices, the modification method is relatively fixed. After jailbreaking, you can search cydia for mobile terminal plug-ins. After installation, open and execute the following instructions:

Input command: Su Enter.

Then enter the password: alpine enter (this is the default user password, which can be changed, and the characters may not be displayed in time when you enter, but don't worry, just press Enter after you confirm that the input is successful).

Then enter: NVRAM WiFi Addr = XX:XX:XX:XX (NVRAM WiFi Addr = is the command to modify the MAC address, and XX: XX: XX is the new MAC address. After entering, enter directly to exit the terminal and restart the mobile phone.

It is worth noting that this method is only applicable to iOS 5. 1. 1 or above. Other lower-level machines need to be connected to iTunes to activate. If the connection with iTunes cannot be recognized, please delete the iTunes_Control folder in the /var/mobile/Media directory, and then restart the iTunes mobile terminal after deleting the iTunes_Control directory.