![]() ![]() If you have iproute2 utilities installed, you may prefer to use the " ip" command, as follows: CentOS and Scientific Linux), to disable and restart networking, one must stop and start /etc/init.d/network, instead of /etc/init.d/networking. Alternatively, under RHEL/ Fedora and possibly other GNU/Linux distributions (incl. The above should work on Debian, Ubuntu, and similar distributions. etc/init.d/networking stop ifconfig eth0 hw ether 02:01:02:03:04:08 /etc/init.d/networking start prepended with "sudo "), in order for things to work! NOTE: Commands below MUST be executed with root privileges (e.g. Substitute according to your requirements. NOTE: MAC addresses used within this article are provided for example only. IP address NetBIOS Name Server User MAC addressġ92.168.1.Under GNU/Linux, the MAC address of a network interface card (NIC) can be changed by following the procedures below. Nbtscan (windows only hosts) $ nbtscan 192.168.1.0/24ĭoing NBT name scan for addresses from 192.168.1.0/24 Then look in your arp cache, same as above. Then look in your arp cache for the corresponding machine arp -an. Here are a couple of methods for doing the reverse lookup of MAC to IP. Unicast reply from 192.168.1.1 1.216msĪrping works similarly to ping except instead of sending ICMP packets, it sends ARP packets. The other version (Thomas Habets') supposedly can query using MAC addresses. There are 2 versions of it, the standard one included with most Unixes (Alexey Kuznetsov's) is the version that can only deal with IP addresses. You still need to know the IP of the system however with this tool. The tool ping works at the layer 3 level of the OSI model, whereas arping works at layer 2. You might have better luck using the tool arping instead. ![]()
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