Find out mac address from ip linux
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The users who voted to close gave this specific reason: "This question does not appear to be about Information security within the scope defined in the help center. It is usually not possible for a person to get the MAC address of a computer from its IP address alone. These two addresses originate from different sources. Simply stated, a computer's own hardware configuration determines its MAC address while the configuration of the network it is connected to determines its IP address.
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MAC address spoofing
Its actually lack of brains. In short the answer will be you can't.
If you just want to find out the MAC address of a given IP address you can use the command arp to look it up, once you've pinged the system 1. However, computers connected to the same TCP/IP local network can determine each other's MAC addresses. The technology called ARP.
Shiva Shiva 3 3 silver badges 8 8 bronze badges. And that short answer is wrong.
How to Find your IP Address and MAC Address in Linux
The only thing is that you probably are not seeing the actual IP of a device due to NAT , if you're on separate networks. The above comment is wrong. There are some cases where ARP masquerading is configured and will reply, but it's quite rare to do that as it causes other problems. My main point is that you can always do a lookup. Click Here to receive this Complete Guide absolutely free.
The MAC address is printed on teh bottom of the machine. It would be really nice to just hook up a monitor to the machine, but the female connector is a 26 pin 2 rows of 9, 1 row of 8 connector, which I've never seen before. Also when I do an arp -a the mac Address does not show up in my arp table.
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Last edited by Franklin; at PM. Find More Posts by Franklin. Of course, if you are like me and your kernel does not support rarp because it was discontinued in kernel version 2.
Step 1 is really cheating, I guess, and it is probably not a good idea to flooding a large network with pings. However, for a smallish subnet say with addresses, x. Find More Posts by primo.
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Find More Posts by Matir. I ran it on one of my boxes and it only showed 3: the router, and two computers which are connected with mounted shares. There are about 8 other computers on my network which didn't show up and are all not connected. Hook the unit up to a PC with a cross over ethernet cable.
Then run Ethereal and see if you can collect any packets. Ethereal should display the IP address along with any other info. I think connecting to iit with a crossover cable and collecting packets with ethereal is my only option because I think the device has a static IP and I have no idea what it might be. So if I set up my linux machine with an ip of Maybe i am wrong, but how about "arping"? What version of arping are you running?
The version that comes with the current iputils package can only ping IP addresses. Problem found: There are two versions of arping.
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