Locate IPV4 Address or Link-local IPv6 Address for the IP address, or Physical Address to see the MAC address for that adapter. Virtual adapters used in virtual machines and other virtualization software, usually possess software-emulated MAC addresses and not the actual physical address of the network interface card. When i run the show interfaces G0/1 command on a switch, why does the output show me the same MAC address twice? Address is 00d0.58c0.4519 (bia 00d0.58c0.4519) I know, BIA stands for Burned-in-address and is. MAC address is given to a single machine and it usually doesnt change unless you have some sort of chassis MAC or something (Higher level). IP address is assignable. Ports are selected by the type of traffic. Web pages usually works on 80, 443 etc. I hope this gives a better picture of what Medium access control is.
Jul 29, 2019 MAC address filtering adds an extra layer to this process. Before letting any device join the network, the router checks the device's MAC address against a list of approved addresses. If the client's address matches one on the router's list, access is granted as usual; otherwise, it's blocked from joining.
By Ronald Pacchiano | Posted March 23, 2011
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Technology changes so quickly that it's often hard to keep up or stay current. But here's one small business networking question that's as relevant today as it was 6 years ago, and it keeps coming up year after year: What's a MAC address and how can I find it?
Our small business networking expert fields a reader's question about a MAC address, and he shows you how to find it on a Windows XP desktop PC or a notebook PC.
How to Find a Mac Address on a Windows XP Desktop PC or a Notebook PC | |
• Click on START, and then click on RUN | |
• The RUN dialogue box will appear. Type CMD and press ENTER | |
• A DOS window will appear. This is also commonly called a Command Prompt | |
• Now type IPCONFIG /ALL at the command prompt and hit ENTER. This window will now display the configuration of all of your network adapters. If you have multiple network adapters in your PC you'll see multiple addresses. The MAC Address you're looking for will be listed under the heading Ethernet Adapter Wireless Network Connection | |
• Now look for the Physical Address. It should look something like 00-50-BA-D1-BA-71 | |
• To close the window when you are finished, type EXIT at the command prompt and hit the ENTER key |
A Reader Asks: What's a MAC Address?
A while back I saw an article of yours that described how to properly set up a secure wireless network. Based on that, I replaced my aging router with a new wireless router, and I implemented all of your security suggestions. I'm using WEP with 256-bit encryption, and I'm not broadcasting my SSID.
My router also offers something called MAC address filtering. According to the documentation, this would restrict access to the network to only the PCs that have been registered with the router. So even if someone managed to get my WEP key, they still wouldn't be able to connect to my network. Ram for mac mini.
![Mac Address Stand For Mac Address Stand For](/uploads/1/3/4/1/134109590/498853576.jpg)
I know what my IP address is and tried using that, but it didn't work. Exactly what is a MAC address, and how do I find it?
Our Small Business Networking Expert Explains 'MAC Address'
MAC is an acronym and stands for Media Access Control. The MAC address (also known as the physical address) is your computer's unique hardware number. Grab for mac os x. When you're connected to the Internet from your computer (or the 'host'), a correspondence table relates your IP address to your computer's physical (MAC) address on the LAN. This is how the router knows where to send IP packets destined for your system.
On a PC or a laptop with an integrated network adapter, you need to find it using software. The process is almost identical to the utility you use to see your systems IP address. On a Windows 2000 or Windows XP machine you would use IPCONFIG. To see the MAC address, you need to add /ALL to the command.
See the bulleted box for step-by-step instructions for finding your MAC Address on a Windows XP note book or desktop PC.
Ronald V. Pacchiano is a systems integrator and technology specialist with expertise in Windows server management, desktop support and network administration. He is also an accomplished technology journalist and a contributing writer for Small Business Computing.
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![Mac Address Stand For Mac Address Stand For](/uploads/1/3/4/1/134109590/612081860.gif)
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