Quick Answer: Can Two Devices Have Same MAC Address?

How many MAC addresses can a device have?

Originally Answered: How many MAC Addresses, a PC computer can have.

Each NIC card in a computer is assigned 1 unique MAC address.

While you can change the MAC address to just about anything, it still can only have 1 address per NIC..

Why would a device have more than one MAC address?

If you have a device that has 2 different kinds of network connection (for example 2 ethernet ports, or 1 ethernet port + WiFi), you will have 2 different mac adress. It’s because you have 2 different hw boards that manage each network connection, and each board has it’s own mac adress.

Why do I have 3 MAC addresses?

NAt takes the data packet from your computer and encapsalates it so it can be routed on the internet. So….. So you should be seeing three MAC addresses on the router one for the local NIC you are attached to, one for the WAN port on the router, and one for the wireless NIC.

Does WiFi and Ethernet have different MAC addresses?

The MAC address is different unique for the separate Wi-Fi and Ethernet connections, so be sure to give the network administrators the correct MAC address based on how the device will be connecting to the network.

Does a device MAC address change?

MAC addresses are usually assigned when the device is manufactured and, unlike IP addresses, they generally do not change when moving from one network to another. In other words, MAC addresses have historically been static and unique to each device.

Can I access a device by MAC address?

Android: In most cases, you can follow this procedure to locate your MAC address: Select Settings > About Device > Status. A WiFi Address or WiFi MAC Address displays.

What can a MAC address tell you?

A MAC address is a unique identification number or code used to identify individual devices on the network. Therefore, it’s also sometimes referred to as a hardware or physical address. These numbers are embedded into the hardware of the network device during the manufacturing process.

Should I use default MAC address?

mostly do NOT need to use other mac address unless you are needing to change the PUBLIC IP of WAN on the router for reason. if currently working with not issues then leave in default position.

How do I identify an unknown device on my network?

How to identify unknown devices connected to your networkIdentify the device using the information on the device detail page.Check if the IP address or MAC address of the real device matches the IP address or MAC address shown in the app. If the addresses are the same, it means that it is one of your devices.

How can I find someone’s MAC address remotely?

How to Find a Mac Address RemotelyOpen the MS-DOS prompt in any Windows program by clicking the â?? … Type “ping” (without quote marks) at the prompt, followed by a space and the Web address of the source.More items…

What is IP address and MAC address?

Both MAC Address and IP Address are used to uniquely identify a machine on the internet. … MAC Address ensure that physical address of the computer is unique. IP Address is a logical address of the computer and is used to uniquely locate computer connected via a network.