![]() ![]() RELATED: 22 Common Network Jargon Terms Explained ![]() It knows to send the request to the MAC address of your router’s network interface. At the hardware level of your network card, though, your network card is only looking at other MAC addresses for interfaces on the same network. Your computer sends the request to your router, which then sends it out onto the Internet. The web address you type gets translated to the IP address of the server. When a browser on your computer needs to grab a web page from a server on the Internet, for example, that request passes down through several layers of the TCP/IP protocol. address at the top of the list, for example, indicates that is a Cisco device.At the lowest networking level, network interfaces attached to a network use MAC addresses to communicate with one another. Using a tool like the one at, you can determine the manufacturer of each of the network interfaces listed. The netmasks are all 255.255.255.255 since all the references are host-specific. The network interface (there may be more than one) and each host the system is reaching through that interface and its physical address is listed. Other addresses may be static as well as the one indicated above, but these entries were picked up as a response to network traffic, not statically added to the table through a deliberate arp -s command. P = publish (i.e., explicitly added by an arp -s command) In this display, the following flags have been used: S = static
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