Mac Address For Notebook

Explore the world of Mac. Check out MacBook Pro, iMac Pro, MacBook Air, iMac, and more. Visit the Apple site to learn, buy, and get support. If the IP address belongs to another subnet, the layer two frames address to the MAC address of the responsible router (usually the default gateway). The router is responsible for switching the packet to the next network node or the destination computer and also sends it on the following network section to a MAC address. At the same time, the.

In order to communicate or transfer the data from one computer to another computer we need some address. In Computer Network various types of address are introduced; each works at different layer. Media Access Control Address is a physical address which works at Data Link Layer. In this article, we will discuss about addressing in DLL, which is MAC Address.

Media Access Control (MAC) Address –

MAC Addresses are unique 48-bits hardware number of a computer, which is embedded into network card (known as Network Interface Card) during the time of manufacturing. MAC Address is also known as Physical Address of a network device. In IEEE 802 standard, Data Link Layer is divided into two sublayers –

Logical Link Control(LLC) Sublayer
Media Access Control(MAC) Sublayer

MAC address is used by Media Access Control (MAC) sublayer of placeholder='Add your personal notes here! (max 5000 chars)'>

Why Would You Want to Change it?

This setting doesn’t give you any speed or performance benefit. It’s like the phone number of your hardware. If you change it to an existing number, you’ll confuse your network.

The most common reason for changing your MAC address is some other device is locked to an old address. Your router or another piece of hardware might only accept or give out connections to a particular MAC address. I ran into this problem once connecting to my office computer. The IT help desk was closed, but I needed to connect to the network with a different laptop. Once I changed my new laptop to my old laptop’s MAC address I got into the network.

Another reason to change your MAC address is for wifi networks that limit the time or number of connections. You shouldn’t use this to bypass time restrictions on a network, but you can transfer your connection time to another MAC address. For example, you might sign up for a few hours of Wi-Fi on your tablet. Then want to use your laptop on the network. Instead of paying for another connection, changing your laptop’s MAC to the MAC address of your tablet might get you out of paying for an extra connection.

Be Ethical: Don’t use this to circumvent security or cheat.

Finally, someone can track you through your MAC address. You might want to change it each time you connect to a network or just use a random address.

How to Find a MAC Address On a PC

If you’re on a PC, the easiest way is through the command prompt. Type

ipconfig /all

and you’ll see all your network interfaces and the physical address. That’s the MAC address.

You can also find it by going to Control Panel > Network and Internet > Network Connections. Then right-click on the network adapter and pick Status > Details. Again, the physical address is the MAC address.

PC Command Prompt Tips: Here’s a list of cool command prompt tips. You can even install apps from the command prompt.

How to Find a MAC Address On a Mac

If you’re on a wireless network, hold down the

Select the interface you’re checking, then go to

You can also type

ifconfig

in terminal, and that will tell you the MAC address of all your interfaces.

Cool wireless Mac tools: That option key is just one of many hidden Mac wireless features.

The Easy Way to Change This on a Mac

The best program I’ve found for this on the Mac is WifiSpoof. It’s $9.99, but they offer a free 2-week trial. It not only makes it easy to change the address but runs as a menu bar icon if you want. It can randomize the MAC address each time it’s run. If you’re concerned about tracking, this is the app for you.

If all you want is a simple way to change the address, Mac MACSpoof does this for a $4.99 optional purchase. The interface isn’t as slick and the app requires an additional “helper” app to install.

The Easy Way to Change This on a PC

Just like on a Mac, a third-party software makes this easy for a PC. For example, Technitium MAC Address Changer is a free program that does this for you.

What I like about this app is it lets you pick a random MAC address if all you’re interested in is changing the address for testing purposes. It also enables you to know which addresses are active.

NoVirusThanks’s MAC Address Changer is another free program. It has fewer options, but it is easier to use than Technitium’s version.

Windows 10 users: Your computer’s hardware might support automatic MAC randomization.

The Direct Way to Change This on a Mac

If you feel comfortable in the OS X terminal type the command

Mac Notebook For Sale

sudo ifconfig en0 xx:xx:xx:xx:xx

Replacing the XX with the number of the new MAC address.

The Direct Way to Change This on a PC

Similar to the direct way on a Mac, this way works without third-party software. Head on over to Device Manager. Then click the disclosure triangle and find the adapter you want to change. Again remember, each type of adapter uses a unique MAC address.

After you find your adapter, click

Remember to Change It Back

Whichever option you choose, don’t forget to change the MAC address back when you’re done. If you don’t, you might have problems on other networks. If your goal is to use a random address, you might have trouble if someone is already using that MAC address.

ALSO SEE:How to Prevent a Mac From Connecting to the Wrong Wireless Network

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