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Can two IP addresses have the same MAC address?
Yes you can have multiple IP addresses assigned to the same MAC address.
Why do I have 2 MAC Addresses?
Each network interface has its own unique MAC address, assigned by the vendor of the equipment. So if you have a wired and a wireless interface you will see two addresses.
Why do hosts have both IP addresses and MAC Addresses?
So again, IP Addresses are logical and routeable addresses. And that’s why computers have both MAC Addresses and IP Addresses. MAC Addresses handle the physical connection from computer to computer while IP Addresses handle the logical routeable connection from both computer to computer AND network to network.
Why do laptops 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.
What are IP addresses and MAC addresses?
The main difference between MAC and IP address is that, MAC Address is used to ensure the physical address of computer. It uniquely identifies the devices on a network. While IP address are used to uniquely identifies the connection of network with that device take part in a network.
How does an IP address and MAC address work?
Local network translates the IP address to a MAC address and adds the MAC address to the data stream which then sends the data to the right device. In reality, both the MAC and IP addresses work in absolute harmony to transfer the data back and forth and then interchanging information with one and the other.
What does two MAC mapping to one IP mean?
An ARP collision is when two or more computers are responding to an ARP request with different answers: in other words, it’s one IP address with two MACs. ARP spoofing has more to do with situation and intent: it’s an attempt to use ARP to get packets delivered to a destination the network administrator didn’t intend.
Can a MAC address be used to send a frame?
Although in your setup, the Destination has several IP addresses for a Single MAC Address, the Source host is only trying to communicate with one of the IP Addresses, so as long as he gets a reply with the correct MAC address then he can send the frame.
Can a spoofer have more than one IP address?
The spoofer might be spoofing more than one IP address. In this case, it’s one MAC address responding to requests for several IP addresses. If the spoofer is lucky, the legitimate owner of the spoofed IP address will be down, in which case there will be no ARP collision at all. In this case, there might well be one MAC address and one IP address.