Mac Address Manual

In most network deployments, generated MAC addresses are appropriate. However, you might need to set a static MAC address for a virtual network adapter. The following examples show when you might set a static MAC address. Apple Macintosh Instruction Manuals (User Guides) As per reader requests, direct links to official Apple Macintosh instruction manuals in PDF format - hosted by Apple's own support site- are provided below as well as on the specs page for each G3 and newer Mac. Not sure which Mac you need to locate? (Note that the wired MAC address and the wireless MAC address are different) Press or to highlight Network Test, then press ENTER. The wired MAC address will be listed as either Ethernet Address or Wired MAC Address at the top of the screen. To locate your Sharp Smart TV MAC address you will have to navigate to the Network settings.

A device’s MAC address is assigned by the manufacturer, but it’s not to hard to change—or “spoof”—those addresses when you need to. Here’s how do do it, and why you might want to.

Each network interface connected to your network—whether it’s your router, wireless device, or network card in your computer—has a unique media access control (MAC) address. These MAC addresses—sometimes referred to as physical or hardware addresses—are assigned in the factory, but you can usually change the addresses in software.

What MAC Addresses Are Used For

At the lowest networking level, network interfaces attached to a network use MAC addresses to communicate with one another. When a browser on your computer needs to grab a web page from a server on the Internet, for example, that request passes down through several layers of the TCP/IP protocol. The web address you type gets translated to the IP address of the server. Your computer sends the request to your router, which then sends it out onto the Internet. At the hardware level of your network card, though, your network card is only looking at other MAC addresses for interfaces on the same network. It knows to send the request to the MAC address of your router’s network interface.

In addition to their core networking use, MAC addresses are often used for other purposes:

Static IP Assignment: Routers allow you to assign static IP addresses to your computers. When a device connects, it always receives a specific IP address if it has a matching MAC address
MAC Address Filtering: Networks can use MAC address filtering, only allowing devices with specific MAC addresses to connect to a network. This isn’t a great security tool because people can spoof their MAC addresses.
MAC Authentication: Some Internet service providers may require authentication with a MAC address and only allow a device with that MAC address to connect to the Internet. You may need to change your router or computer’s MAC address to connect.
Device Identification: Many airport Wi-Fi networks and other public Wi-Fi networks use a device’s MAC address to identify it. For example, an airport Wi-Fi network might offer a free 30 minutes and then ban your MAC address from receiving more Wi-Fi. Change your MAC address and you could get more Wi-Fi. (Free, limited Wi-Fi may also be tracked using browser cookies or an account system.)
Device Tracking: Because they’re unique, MAC addresses can be used to track you. When you walk around, your smartphone scans for nearby Wi-Fi networks and broadcasts its MAC address. A company named Renew London used trash bins in the city of London to track people’s movements around the city based on their MAC addresses. Apple’s iOS 8 will use a random MAC address each time it scans for nearby Wi-Fi networks to prevent this sort of tracking.

Bear in mind that each network interface has its own MAC address. Docking station mac instruction manual landing zone. So, on a typical laptop with both a Wi-Fi radio and a wired Ethernet port, the wireless and wired network interface each have their own unique MAC addresses.

Change a MAC Address in Windows

Most network cards allow you to set a custom MAC address from their configuration panes in the Device Manager, although some network drivers may not support this feature.

First, open the Device Manager. On Windows 8 and 10, press Windows+X, and then click “Device Manager” on the Power User menu. On Windows 7, press the Windows key, type “Device Manager” to search for it, and then click the “Device Manager” entry. The Device Manager app will look the same no matter which version of Windows you’re using.

It has a component that searches the database for matching entries as soon as the user begins typing, resulting in auto-completion of text. Ge mac lab user manual.

In Device Manager, under the “Network adapters” section, right-click the network interface you want to modify, and then select “Properties” from the context menu.

In the properties window, on the “Advanced” tab and select the “Network Address” entry in the “Property” list. If you don’t see this option, then your network driver doesn’t support this feature.

Enable the Value option and type your desired MAC address without any separating characters—don’t use dashes or colons. Click “OK” when you’re done.

Change a MAC Address in Linux

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Modern Linux distributions like Ubuntu typically use Network Manager, which provides a graphical way to spoof a MAC address.

For example, in Ubuntu you’d click the network icon on the top panel, click “Edit Connections,” select the network connection you want to modify, and then click “Edit.” On the Ethernet tab, you’d enter a new MAC address in the “Cloned MAC address” field, and then save your changes.

You can also do this the old-fashioned way. This involves taking the network interface down, running a command to change its MAC address, and then bringing it back up. Be sure to replace “eth0” with the name of the network interface you want to modify and enter the MAC address of your choice:

Mac Address Manufacturer Prefix

You’ll have to modify the appropriate configuration file under /etc/network/interfaces.d/ or the /etc/network/interfaces file itself if you want this change to always take effect at boot time. If you don’t, your MAC address will be reset when you restart.

Change a MAC Address in Mac OS X

Mac OS X’s System Preferences pane displays each network interface’s MAC address, but doesn’t allow you to change it. For that, you need the Terminal.

RELATED:A Windows User’s Guide to Mac OS X Keyboard Shortcuts

Open a Terminal window (press Command + Space, type “Terminal,” and then press Enter.) Run the following command, replacing en0 with your network interface’s name and filling in your own MAC address:

The network interface will generally be either en0 or en1 , depending on whether you want to configure a Mac’s Wi-Fi or Ethernet interface. Run the ifconfig command to see a list of interfaces if you’re not sure of the appropriate network interface’s name.

As on Linux, this change is temporary and will be reset when you next reboot. You’ll need to use a script that automatically runs this command on boot if you’d like to permanently change your Mac address.

You can verify your change took effect by running a command that shows your network connection details and checking what MAC address your network interface reports afterwards. On Windows, run the ipconfig /all command in a Command Prompt window. On Linux or Mac OS X, run the ifconfig command. And if you need to change the MAC address on your router, you’ll find this option in your router’s web interface.

Change Windows MAC Address

You can change the MAC address for the network card in Windows pretty easily following the steps below.

Step 1: Click on Start, then Control Panel, then Network Connections, and right-click on the network connection you want to change the MAC address for and select Properties. It will normally either be Local Area Connection or Wireless Network Connection.

If you are using Windows Vista, Windows 7 or higher, you have to go to Control Panel, then Network and Internet, then Network and Sharing Center, and then click on Manage Network Connections or Change adapter settings.

Then you can right-click on the adapter and choose Properties.

Step 2: On the General or Networking tab, click the Configure button.

Step 3: Now click on the Advanced tab and click on the Locally Administered Address property or the Network Address property.

By default, the Not Present value is selected. Go ahead and click on the Value radio button and enter in a new MAC address. The MAC address is a combination of 6 pairs of numbers and characters, i.e. 40-A2-D9-82-9F-F2. You should enter the MAC address without the dashes.

Can it be used with other Macs? Mac mini 2012 service manual.

You can go to the command prompt and type in IPCONFIG /ALL to check that the MAC address has been changed. Go ahead and restart the computer in order for the changes to take effect.

This is the simplest way to change your MAC address in Windows. You can also do so via the registry, but it’s much more technical and probably not required by most people.

Change OS X MAC Address

Changing the MAC address on OS X is definitely not as easy as it is on Windows. Firstly, you have to use Terminal (similar to command prompt in Windows) to actually change the MAC address.

Secondly, you need to manually figure out the technical name of the adapter before you can change the settings. I’ll explain everything below step by step, but it gets a bit complicated at times.

To start, let’s find out the current MAC address for your Mac. You can do this in one of two ways: via System Preferences or via Terminal. Open System Preferences, click on Network and then click on the Advanced button. Make sure to select the appropriate interface first (WiFi, Ethernet, etc) in the listbox on the left.

Click on the Hardware tab and you will see the first line is MAC Address. I thought you could simply choose Manually from the Configure dropdown, but that doesn’t allow you to edit the MAC address.

Change Mac Address Android Manually

In Terminal, you can get the MAC address by typing in the following command:

ifconfig en0 | grep ether

This will give you the MAC address for the en0 interface. Depending on how many interfaces you have on your computer, you might need to run this command several times adding 1 to the number each time. For example, I ran the following commands below until I reached an interface that didn’t exist.

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Now you can simply compare the MAC addresses listed here with the one you saw via System Preferences. In my case, my WiFi MAC address of f8:1e:df:d8:9d:8a matches with en1, so that is the interface I have to use for the next commands.

Apple Mac Manual Guide

Before we change the MAC address, you can use a useful command in Terminal to generate a random MAC address if you need one.

openssl rand -hex 6 | sed ‘s/(.)/1:/g; s/.$//’

Now that you have a new MAC address, you can change the current one using the following command below. Replace XX with the actual MAC address you want to use.

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

In order to do this, you need to be logged in as an Administrator or you have to enable the root account in OS X. By default, root is disabled and it’s better to leave it disabled if you can. Just login as an admin and you should be able to run the command just fine. It will ask you for your password, though, before changing the MAC address.

Also, the address won’t change if you are still connected to a WiFi network. You need to first disconnect from any networks and then run the command. Surprisingly, disconnecting from a wireless network in OS X is not intuitive at all. You have to press and hold the Option key and then click on the WiFi icon to see the disconnect option.

So here is a rundown of all the commands I ran in order to get the current MAC address, generate a random one, update the MAC address and then verify to make sure it had actually changed.

As I mentioned earlier, this is definitely not as straightforward as the process is on Windows, but you should be able to do it if you simply copy and paste the commands above. If you have any questions, feel free to post a comment. Enjoy!