Questions tagged [mac-address]

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

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Spoof MAC address in Windows 7: Bypass

I am trying to spoof the MAC address of my new Win7 laptop. To do so I tried specifying an alternate value from the Device Manager which took no effect. I also tried from the registry, as per other ...
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Virtualize MAC addresses on a single physical network interface

Background: I am working with an application that runs on a host machine that mainly identifies clients via MAC addresses (something that I would not like to change). I am attempting to simulate ...
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Block connection to Wifi network by MAC address, not by SSID

The only questions similar to this I've seen related to routers, and I want to accomplish this just on my wireless card, an Intel Dual-Band 8260. I get internet through a wifi hotspot, (xfinity ...
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I don't recognize this HW address format

I'm looking at the contents of /proc/net/arp from a google wifi onhub's diagnostic report and the format of the HW address is confusing because it's missing a character and ends with an asterix. Does ...
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No option for changing MAC address?

I have been trying to change my MAC address. I find the device in my control panel, I right-click and choose properties. I then click on the advanced tab. However, Network Address is not among the ...
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Duplicate MAC on a WiFi network - problems?

I understand that duplicate MAC addresses can generally cause trouble in an ethernet network. For instance, it can confuse a switch about which physical port to use for sending packets, since that ...
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Why does ConnMan report my MAC address as all zeros until I restart it?

ConnMan (Connection-Manager) reports my ethernet adapter's MAC address as 00:00:00:00:00:00. However, if I restart the ConnMan service using $ systemctl restart connman.service it subsequently ...
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Is there any way to change LAN MAC address on Wi-Fi router?

I have a Wi-Fi router which has WLAN MAC address and LAN MAC address. I can spoof WLAN MAC address easily, but can not spoof in the same way on LAN MAC address. How can I spoof the LAN MAC address?
Fingertron's user avatar
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How do MAC addresses get burned into devices during manufacturing?

I'm interested in the steps necessary to manufacture an IP-capable device - say an Ethernet card. Manufacturing the hardware is pretty straight forward since all of the devices are exactly the same ...
Sander Smith's user avatar
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564 views

A Printer that has multiple MAC Addresses?

I have a Lexmark printer that for some reason shows multiple MAC addresses when its connected to a switch. Thats so weird. Anybody had the same problem? How can I solve it and how come it has ...
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Can an Intel 82577LM Gigabit Network Connection be spoofed?

I need to tell someone my MAC address imminently so I can be added to their router, but I am not at my computer. My laptop is a Dell Latitude E6510, running Ubuntu 12.04 with an Intel 82577LM ethernet ...
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Using a laptop with multiple static-ip routers

I use my Windows XP laptop with Wi-Fi at school, home, work and by my parents. Each of these has a different setup (one DHCP and the other three use different static IPs). Is there a way to attach a ...
Baruch's user avatar
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Laptop can't connect to many websites (ERR_SSL_BAD_RECORD_MAC_ALERT) from home WiFi

I'm having a pretty weird problem. At some point and without having done anything different, my laptop just can't connect to certain websites (many websites, not just 3 or 4). When I try to access ...
Monochromatic's user avatar
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2 answers
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block mac address with Iptables during attack

I have to setup Iptables to block every mac address from which 10 requests come in one minute. (ssh or http login) To block the IP is achievable with iptables -A INPUT -p tcp --dport 22 -m hashlimit --...
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Can Linux do "source MAC based routing?"

I'm looking for a way in Linux to perform source-MAC based routing. My goal is to have a router with the following routing: echo 100 inbound >> /etc/iproute2/rt_tables ip rule add iif eth0 ...
Rusty Lemur's user avatar
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Routing network based on MAC address on macOS and Windows

On Linux distros that use Gnome's Network Manager subsystem, the nmcli (Network Manager CLI) allows you to add an ethernet connection for a device with a specific MAC address using nmcli con add type ...
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Multiple ARP requests from an IP address outside my LAN using an unknown MAC address

I have a vexing recent issue on what has been, for the most part, a very reliable home network. Since it is a hobby for me, it’s probably a little more complicated than the average home, but it’s ...
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ONT doesn't answer ARP request

I've been working with a custom linux image, based on yocto, running on an industrial tablet. During my tests, I've faced some problems to connect to a wifi network after rebooting the device. Before ...
andre.hre's user avatar
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3 answers
1k views

Notepad ++ extract MAC addresses from text

How to extract MAC addresses from text to get a list where each line is one MAC adress only? I try to mark MAC addresses with regex, bookmark lines and delete unmarked lines but there is still too ...
Slavisa Kostic's user avatar
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797 views

MAC Address Spoofing causes VM Machine to lose physical connection?

I currently paid for a Network Testing/Python coding course online and one of the first programs we created was a MAC address changer. When I change the MAC address of my Virtual Machine it cuts out ...
Berrik's user avatar
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How to make Hyper-V not change the MAC of the default switch on every boot

Hyper-V changes the MAC-Address of its "vEthernet (Default Switch)" on every Windows boot. I can manually set it back in the "Hyper-V Virtual Ethernet Adapter Properties" under ...
jesses's user avatar
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Routing/Mac Address issue on VPN

I am trying to get a computer to run some software from a remote location. In order for the software to run it has to be listed in the license manager of this software with an IP address and Mac ...
Lzypenguin's user avatar
1 vote
1 answer
228 views

What is my LAN card's MAC address?

EDIT: I meant wifi card, not LAN card. I want to connect wifi devices (printer, phone, etc) to my Windows 10 laptop. I want to used a reserved DHCP address on my router for the wifi card (not LAN ...
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Docker network equivalent of virtual machine bridged network mode

I want to deploy a Docker container within a network that appears accessible with its own link layer device / MAC address, the equivalent of a virtual machine with a bridged mode network adapter. In ...
user1330734's user avatar
1 vote
2 answers
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OpenVPN MAC filtering - adding multiple MACs?

I was following this OpenVPN document, and I've managed to enable the MAC filtering feature. How do I add multiple MACs for a single user to the database? Example command I would use to replace the ...
Stephen 's user avatar
1 vote
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619 views

My IP changes every 10 seconds while connected to internet

I am not a network engineer, I just wanted to check if port 16000 is open for me. I went to https://www.yougetsignal.com/tools/open-ports/ and it showed my IP as 103.5.xx.xxx. However after 15-20 ...
Gaurav Singhal's user avatar
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677 views

I need to create a dummy network adapter with a specific.customizable MAC address

I am trying to put a band aid on a very flawed piece of software, and need to create a dummy network adapter in Windows that will have a MAC address matching one of my real network adapters. This ...
TechBA's user avatar
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Router's associated IP/MAC: associated client's name not resolved?

The picture below is a partial screenshot of IP&MACs associated to our company's router. In the first line the client device name is 'resolved' as 'RNP931A07'. However, in lines 2 and 3 you can ...
ATX's user avatar
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Airbase-ng doesn't hide SSID nor change the MAC?

I'm trying to set up a beacon that sends a custom MAC address, with no ssid or other features. The command I'm using is; airbase-ng -A -a 02:47:4c:61:7a:75 --hidden -c 11 wlan1 My problem is that ...
George Lazu's user avatar
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iBook PPC: Change Airport's MAC Address

I have been attempting to set-up HomePass for my 3DS on my iBook. I basically need to change my Airport's MAC Address and share my internet in order to make this work, but I am having trouble changing ...
345422's user avatar
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Can't connect after changing my wireless card mac address

I've tried to change my wireless card's mac address but it's not working. I did it using TMACv6 (Technitium), MacMakeUp and the registry by following this tutorial but I always have the same issue(s) :...
Drarig29's user avatar
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1 vote
0 answers
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Router reports different MAC address than iwconfig

The address returned by iwconfig is nearly the same - the first number is off by 2 and the last by 1. Does anyone know why I'm getting a different result depending on where I look? I happen to know ...
thekthuser's user avatar
1 vote
1 answer
768 views

Strange MAC address on Wireshark screen

I trying to see Wi-Fi (802.11) packets through Wireshark. Here's information of my wireless interface: $ ifconfig wlan1 Link encap:Ethernet HWaddr c0:f8:da:21:ce:68 # and so on blahblah ...
Jeon's user avatar
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0 answers
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internet disconnects after cloning MAC in Ubuntu 14.10

Whenever I connect the LAN cable to my new laptop, there is connection, but the web is not accessible due to MAC mismatch (my old laptop's MAC is registered with my ISP). When I spoof the MAC address ...
solitary knight's user avatar
1 vote
0 answers
1k views

Windows 8 Force MAC Address Spoof

Just to make this short, I've tried almost everything I found on Google to spoof my MAC addres (Registry, SMAC, NetworkAdress in Adapter Settings, etc.) and none worked. This is because of something I ...
Jack Sparser's user avatar
1 vote
0 answers
361 views

Spoof MAC without limitation in Windows 8?

I am able to change my MAC to anything in Kali Linux, but not in Windows? It needs to be changed to 50:b7:c3:3d:1c:b6. I tried using SMAC and no luck. I heard there were limits on what I can change it ...
Vlad's user avatar
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1 vote
1 answer
718 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 ...
Rico-E's user avatar
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1 answer
1k 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 ...
Debesh Bar's user avatar
1 vote
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372 views

Windows - MAC address whitelist on wired network?

In Windows (XP or 7), is it possible to configure either Windows, a software firewall, or network cards such that the computer will only communicate with specific known MAC addresses (e.g. the MAC ...
OJW's user avatar
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1 vote
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171 views

Two wireless extenders with same mac address...How to assign IP address dhcp

I have two wireless extenders, and they both have the exact same mac address (same make and model) Now, they work fine in the network, I just wanted to know how can I assign them specific IP ...
JonYork's user avatar
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1 vote
0 answers
428 views

Spoofing Windows 7/8 Mac address with 00: manufacturer?

As I am sure everyone knows starting with Windows Vista, you are not able to spoof MAC address to something that starts with a 00: For a project I am doing I have to spoof it as starting with 00: I ...
Duxa's user avatar
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Can I track the MAC address of my stolen laptop by service tag number?

My Dell Vostro laptop was stolen five days back. Many valuable documents were on it, so how can I trace the MAC address of my stolen laptop? Can the MAC address be traced through the service tag ...
chonben's user avatar
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1 vote
1 answer
198 views

Why would results differ from trying two different methods to get a MAC address?

While trying to find MAC addresses of networked machines, two different methods were used and different answers were received: Ping the machine name using the command nbtstat -a xxx.xxx.xxx.xxx (x ...
Dana's user avatar
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1 vote
0 answers
2k 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 ...
djmati11's user avatar
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1 vote
0 answers
1k views

Internet Connection Sharing bypassing MAC Filter in Ubuntu Linux

My university gives me an internet connection by Ethernet, DHCP but they have installed MAC Filtering to allow only using my PC. I have a wireless router TL-WR340GD. which has MAC address cloning ...
user128952's user avatar
1 vote
1 answer
3k views

MAC address based VLAN: How to get the MAC address of a newly attached device?

I am in a network that determines by the MAC address of attached devices to which VLAN the used switch port has to be set to. For regular devices that use DHCP the MAC address can be simply ...
Robert's user avatar
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1 vote
3 answers
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Can't change MAC address

Neither of the two methods work and give me an error about having too many files open. Method 1: root@kali:~# service network-manager stop root@kali:~# macchanger -r wlan0 [ERROR] Could not change ...
user3573987's user avatar
0 votes
1 answer
63 views

Windows 10 network adapter MAC address change

Trying to replace original MAC address of my network adapter with a custom one, but it behaves strangely: Changed MAC address (tried many custom ones, such as 0123456789AB) within adapter properties' ...
user2956477's user avatar
0 votes
1 answer
346 views

Unknown device on wifi network

I have a new unknown device with the name F4X0VG3 with a MAC address d4:54:8B:AD:17:90 showing up on my wifi network. How can I figure out what it is?
KH101980's user avatar
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414 views

How to change or clone ONU pon mac adress? And I want to know which model of ONU will get this benefit

ISP is blocking me everytime from OLT my anu's MAC address.that's why I need to clone or change my MAC address.how can i change it. I would like to know if I will get this benefit if I use ONU of any ...
freindly khan's user avatar