A MAC address is a unique identifier for network adapters or network interface cards.

learn more… | top users | synonyms

0
votes
0answers
151 views

How can I change the MAC address of hosted network?

I am on a MAC-filterd network. I have a pc and a laptop. I started a hosted network on my laptop. The Laptop has Windows 8. I set up a hosted network on this laptop to connect a smartphone. So the ...
0
votes
1answer
69 views

Issues with IP address when changing MAC address

Whenever I spoof my MAC address the WiFi fails to acquire IP automatically and I have to set it manually. My original MAC address is blocked on the network. Please help me, I'm facing IP address ...
0
votes
1answer
189 views

iPad and Wifi Access point on a MAC restricted network

I'm trying to help my sister get her iPad online in her university halls of residence. She has one ethernet port in her room and there is no wireless provided. I got her a wireless router (which is ...
0
votes
1answer
197 views

CE interface in Solaris 10 drops mac address (per ifconfig)

I recently installed Solaris 10 1/13 and proprietary TCP PEP software on a new hard drive within an old Sun v210. When the PEP software starts, the Sun's CE0 interface loses its "ether" address, ...
0
votes
1answer
1k views

The same MAC address twice on network?

Recently the Wifi network at our small company was messed up in a strange way. When I did a arp -i en1 -a I did in fact see the same MAC address listed twice. When I inquired with a ...
0
votes
0answers
150 views

How to find the MAC addresses of an unsecure network, on Windows, using the easiest steps?

As I try to prove that an insecure network, even with MAC filtering feature, is a bad thing (link here) , I've tried to find out the easiest way to do so. I'm trying to show that it's easy to enter ...
0
votes
0answers
330 views

Separate MAC Filtering Rules for Each Frequency in Linksys EA2700-RM

I recently bought a Linksys EA2700-RM router for my home. I have set up the 5GHz network, the 2.4GHz network and the Guest network. My 5GHz network is for highest priority devices, the 2.4GHz network ...
0
votes
1answer
1k views

Automatic rename computer based on mac address

How to automatically rename computer host / name based on it's MAC address? I have 40 PC's and I need a script to rename them automatically at logon after I use ghost. Win7 environment.
0
votes
0answers
263 views

Change Mac Address on Wireless NIC

Problem I currently use a Intel(R) Centrino(R) Advanced-N 6230 network adapter, and I need to spoof the mac address in order to test security on my network. The problem is that the latest driver for ...
0
votes
1answer
651 views

Linux Mint chooses random MAC address on bootup

Every time I start a machine with Linux Mint 14 installed, the Ethernet NIC chooses a random MAC address to use. Is there a way to disable that behavior?
0
votes
1answer
582 views

IP conflict when connecting DHCP enabled PC to DHCP enabled laptop with its wireless and wired network connections bridged under Windows

I have a laptop running Windows XP SP3 with a wireless NIC and a wired NIC. I bridge the two network connections under Windows\Control Panel\Network Connections. This gives me a single bridged network ...
0
votes
1answer
286 views

Why is my WNIC MAC changing every reboot?

The university I attend scans student and faculty machines with an agent (Bradford) to ensure they comply with policy (i.e. AV is installed and up-to date, and the OS is patched). The system's MAC ...
0
votes
0answers
73 views

Router wont clone Mac address

I have a DX-WGRTR and in the router settings there is an option to clone WAN MAC address. When I tried to clone my computer MAC address the router reboots after 25 seconds but it automatically set the ...
0
votes
0answers
77 views

Find mobile device on network

I'm trying to write a small program that will poll the network for certain IP addresses or MAC addresses (though MAC doesn't seem to show up past my WAP). My networking isn't very strong but many ...
0
votes
3answers
3k views

Spoof MAC address Win 7 to 00 prefix [duplicate]

I want to change my windows 7 Mac Address of wireless adapter to any adres with a prefix of 00. This because the router i`m on only allows connections of 00-Mac addresses. At least, that is what I ...
0
votes
2answers
433 views

How can i change my MAC Address?

I want to know that how can i change my MAC address? Is there any software? What do I need? I need a program, what is automaticly change the MAC addres and of course he can generates random MAC ...
0
votes
1answer
864 views

How to change MAC address on Mac OS X 10.7.3 Lion?

I'm trying to change the MAC address for the interface en1. ifcongig Output: lo0: flags=8049<UP,LOOPBACK,RUNNING,MULTICAST> mtu 16384 options=3<RXCSUM,TXCSUM> inet6 fe80::1%lo0 ...
0
votes
2answers
2k views

Mac address clone on DD-WRT

I am on a network on which I have my old router's mac address registered so I can access the internet through this network (it's filtered by mac address). I've recently replaced the old router and am ...
0
votes
0answers
684 views

Router changes its MAC Addresses

I constantly lose my Internet connection. After analyzing the problem I found that my router, TL-WR741ND [TP-Link], changes its MAC address by switching through the WLAN's, LAN's and WAN's MAC ...
0
votes
0answers
732 views

ifconfig won't let me set MAC address that doesn't begin with 00:26

I have an Intel 1000 BGN Wi-Fi card and I tried to set its MAC address to 00:00:de:ad:be:ef, but this didn't work: [root@localhost .]# ifconfig wlan0 hw ether 00:00:de:ad:be:ef SIOCSIFHWADDR: Cannot ...
0
votes
2answers
924 views

Discover the public ip of a network without being connected

Let say, I'm next to a network and can see the traffic (with airodump or similar tool) but can not decipher it (because I am not connected on the network). Is it possible to discover the public ip ...
0
votes
1answer
1k views

MAC address of default gateway spoofed

I am currently living in an apartment with a shared internet connection. All rooms in the building are connected to a switch, which is hooked up to some fiber connection. Now, someone was wise enough ...
0
votes
1answer
707 views

Another user in my network is using my IP and MAC address - what can I do?

These days I had problem with my internet connection. I have a static IP connection, but some time ago I couldn't access the internet. A friend helped me and we found out that the IP and MAC-address ...
0
votes
1answer
835 views

Copy Mac Address into Clipboard help in Windows 7

Given the batch script below. How would I be able to give me a MAC address with no dashes and add a "D" in front of it? So when I go and paste, it has a MAC address that starts with a D and there ...
0
votes
1answer
1k views

Intel Ultimate-N mac address change [duplicate]

I want to change the MAC address of my laptop. My laptop has Intel Ultimate-N 6300 wireless card. Although I've managed to change the MAC address in Linux, I still cannot change the MAC address in ...
0
votes
1answer
231 views

Onboard Ethernet suddenly stopped working to router

Yesterday I had a sudden problem with my Ethernet connection to my router. My computer is a Pentium 4 with Windows XP SP3 running on it and it was working fine earlier in the day, but yesterday night ...
0
votes
1answer
1k views

VPN authentication and MAC addresses

I have to set up a VPN (various clients connecting to a web service on a server, which is also the VPN server) and I want to make sure that no user will share his/her credentials with third parties. ...
0
votes
4answers
2k views

How to know if a network is locked by MAC address

If I unplug a internet cable from another PC and plug it in my laptop, but it says no internet connection. Then I've been told that the network restrict certain MAC address. My question is that is ...
-1
votes
2answers
1k views

What's the limit of a home router's MAC address table?

I am considering creating a large LAN (possibly greater than 255 computers) using home wireless routers such as Linksys WRT54G as switches (DHCP off). What, roughly, is the size or limit of the MAC ...
-1
votes
2answers
2k views

How to bypass MAC address filters

I have a program that gets my MAC address, and it won't work with the real one; I need to clone it. The problem is that if i try to spoof it from regedit, the software will recognize it. I cannot use ...
-1
votes
2answers
1k views

Change Broadcom Wireless adapter MAC addres to any address

I need to change my MAC address of Broadcom 802.11n Network Adapter to address of my choice - I need to mask myself as another device in the network. The conflict of the devices will not happen. Under ...
-1
votes
1answer
25 views

Can I have two MAC addresses which only differ by the “local” bit?

I have two NICs on my PC. One is the built-in wired Ethernet controller, another one is the plugged-in USB-Ethernet gadget. For the latter, the MAC address is auto-generated by the Linux driver. I'd ...
-1
votes
1answer
623 views

How to limit internet access time per mac address

I want to be able to limit the amount of time some devices can connect to the internet to one hour per day. As an added bonus, I would like to restrict some sites (or categories of sites) per MAC ...
-1
votes
2answers
70 views

Devices with user re-writable MAC addresses [closed]

I'm looking for routers, cell phones, Internet sticks etc. that have user modifiable MAC addresses. Does anyone know how to spot them?? Also how to write the MAC address.. I've heard Linux is a good ...
-2
votes
2answers
332 views

Is modifying our MAC Address a perfectly reversible operation?

Ok guys I've just read this page: http://www.irongeek.com/i.php?page=security/changemac But before I want to attempt anything, I want to ask: Is modifying our MAC Address (in the way provided at that ...
-3
votes
1answer
37 views

Giving MAC address to the IT dept

If I want to use Public wireless at work place with my iPhone, I must give the phones MAC address to the IT department. Is it recommended to do so? What can they access with the MAC address? All my ...
-3
votes
1answer
515 views

How to block a MAC address from connecting with my computer? [closed]

How can I block a certain MAC address from connecting to my computer? In fact this computer is in the LAN, and maybe has a virus.
-3
votes
1answer
1k views

Can anybody tell me how to hide my mac address of my pc from hackers, spammer and bad neighbhour sites? [closed]

can anybody help me to hide my mac address of my machine from hackers and spammer, etc Also is there any other things to hide from hackers . ( IP address i have hide already but if anything more than ...