Static IP Assignment: Routers allow you to assign static IP addresses to your computers.In addition to their core networking use, MAC addresses are often used for other purposes: 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. Either way, you're looking at a less than $50 cost rather than many hundreds of dollars on a replacement logic board, or attempting to solder a new one onto the current logic board which will be a lot of labor and may not even work.At the lowest networking level, network interfaces attached to a network use MAC addresses to communicate with one another. Of course, that could be solved by getting a USB hub. Instead, I would pick up a USB to ethernet adapter like this one:Įspecially since this is a desktop, the only downside to doing it this way is that one of your USB ports is constantly occupied. If I were you though, I wouldn't even bother with repair. Needless to say, a lesson was learned and I now have surge protection on the coaxial cable as well as my network cables.Īnyway, as far as repair goes, the ethernet port is soldered directly onto the logic board on the iMac, and it is very difficult to replace.although in theory you could replace it with the right tools and skills. I lost my cable modem, my Apple Time Capsule, and a NAS drive. Any ethernet port that was in use at the time got zapped and was rendered unusable. I had that happen once when a surge came through the coaxial cable for my cable internet service. Sounds like your ethernet port got zapped by a power surge.
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