Computer shows 2 mac addresses

Hackers can gain unauthorized access to the ISP via the same technique. This allows hackers to gain access to unauthorized services, and the hacker will be hard to identify because the hacker uses the client's identity. This action is considered an illegitimate use of MAC spoofing and illegal as well. However, it is very hard to track hackers that are utilizing MAC spoofing. This also applies to customer-premises equipment , such as cable and DSL modems. In cases where the provider leases the equipment to the customer on a monthly basis, the CPE has a hard-coded MAC address which is on a list known to the provider's distribution networks, allowing service to be established as long as the customer is not in billing arrears.


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In cases where the provider allows customers to provide their own equipment and thus avoid the monthly leasing fee on their bill, the provider requires that the customer give them the MAC address of their equipment before service will be established. Some software can only be installed and run on systems with pre-defined MAC addresses as stated in the software end-user license agreement , and users have to comply with this requirement in order to gain access to the software.

If the user has to install different hardware due to malfunction of the original device or if there is a problem with the user's NIC card, then the software will not recognize the new hardware. However, this problem can be solved using MAC spoofing. Legal issues might arise if the user grants access to the software on multiple devices simultaneously. At the same time, the user can obtain access to software for which he or she has not secured a license. Contacting the software vendor might be the safest route to take if there is a hardware problem preventing access to the software.

Software may also perform MAC filtering because the software does not want unauthorized users to gain access to certain networks to which the software grants access. In such cases MAC spoofing can be considered a serious illegal activity and can be legally punished. The beauty of this command is that, unlike the previous one, it shows the MAC addresses for all network adapters, including disabled ones. For each network adapter you can view its current status, alongside its MAC address and other properties, which is very useful. The ipconfig command is designed to provide detailed information about the network connections and network adapters that are installed on your Windows computer or device To run it, first launch the Command Prompt.

To find your network adapter's MAC address, identify the network adapter's name and check the Physical Address field shown in the screenshot below. If you prefer clicking on things, another way to find the MAC address is by opening the Network Connection Details window for the network adapter that interests you, from the Network and Sharing Center.

Obviously, the first step towards doing this is to open the Network and Sharing Center. If you are not sure how to do this, go ahead and read this tutorial: What is the Network and Sharing Center in Windows? In the Network and Sharing Center window, go to the "View your active networks" section on the top-right. There you will see the name of each active connection and, on the the right, several properties of that connection.

What Happens when there are duplicate MAC Addresses. How many MAC Addresses can a Switch learn?

Look for the line named Connections. This line will have the value Ethernet if you are using a wired network connection or Wi-Fi followed by the name of the network you are connected to, if you are using a wireless network connection. Click on the link near Connections , as shown in the screenshot below. The Status window for your network adapter is now displayed. Click or tap the Details button.

Networks and MAC addresses.

The Network Connection Details window is displayed. When done learning the MAC address, don't forget to click or tap Close. If you have a device with touch and you are using Windows 10, you may prefer a friendlier method for your touch-based input. If you are interested in the MAC address of your wireless network card, click or tap Wi-Fi and then the name of the network you are connected to.

Windows 10 displays a list of properties and settings for your active wireless network connection. Scroll down until you find the Properties section. The last line of properties is named Physical address MAC. This contains the MAC address of your wireless network card. You can copy these properties using the Copy button and then paste them anywhere you wish. Click or tap Ethernet and then the name of the network you are connected to. Windows 10 displays a list of properties and settings for your active wired network connection.

If you have a device with touch and you are using Windows 8.

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How to Find Your MAC Address in Windows 10 | Laptop Mag

Open PC Settings in Windows 8. As the above said, please could you post the mac addresses of the linux host? I suspect it will end in either ea1f or aacc. Is the linux host a virtual machine on the windows box? Find A Community.

What Happens when there are duplicate MAC Addresses. How many MAC Addresses can a Switch learn?

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04-CCNA: Layer 2 – Mac Addresses

Marc Abaya. I login to the host PC and run ipconfig all and it's showing me this mac add I deleted other stuff :. Labels: Other Switching. Everyone's tags 2. Tags: mac address. I have this problem too. Accepted Solutions.


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Running VMWare to run both at.