You also learnt that you are able to “spoof” your MAC address by using the promiscuous mode.

Using arping, you are able to populate your local ARP cache with the matching MAC address. In this tutorial, you learnt how you can easily use the arping in order to ping IP addresses on your local network. Using the options we used previously, this would lead us to the following command.

In order to enable the promiscuous mode with the “ arping” command, you need to use the “-p” option. As a short reminder, the promiscuous mode is set to transmit all frames received by the NIC rather than the ones it was meant to receive. In this case, you need to use the promiscuous mode. You are not the owner of the MAC address and you are trying to spoof the MAC address.You are the owner of the MAC address and you can simply use the “-s” option.In this case, you have two possibilities : In order to achieve that, you need to execute the “arping” command with the “-s” option for “source” followed by the MAC address you want to ping. In some cases, you may want to specify the source MAC address you are sending packets from. If you have multiple network interfaces on your server, the arping won’t be able to “guess” the network interface card to be used.Īs a consequence, you might get an error message stating that the arping was not able to guess the correct one.Īwesome, you have pinged your distant server and you have specified the network interface to be used! Sending ARP pings from Source MAC If this is the case, the arping needs to know the network interface it needs to use in order to send the ARP ping.Īs you can see, the arping command will try to “ guess” the network interface if it is not provided with one. If you were to deal with a router, or if you chose to install your Linux server as a router, two network interface cards can be installed in order to route to two different networks. This is quite normal because the arping command expects a network interface to be specified. If the arping command is not able to resolve the IP address of the target defined, you will get an ARP timeout.Īs an example, executing an ARP request on an unknown host would give you the following output $ arping -c 5 Īs you can see, in some cases, you will be presented with a warning if you don’t specify any network interface. Awesome, you successfully used the arping command in order to issue ARP requests over the network! ARP timeouts using arping

How to ping mac address to get ip