A MAC address is a unique identifier for network adapters or network interface cards.
0
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1answer
39 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?
3
votes
1answer
56 views
Relation between a packet and a frame over the network
I am learning how networks work and I have a question. What is actually sent over the network? A packet/datagram or a frame?
I believe it is a packet. If so, let's say Computer A wants to communicate ...
1
vote
0answers
413 views
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 ...
0
votes
0answers
63 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 ...
1
vote
1answer
147 views
Planetlab and scapy: MAC address to reach destination not found
Using the minimal Fedora 14 distribution provided in PlanetLab, I'm forging packets through Scapy and sending them with tcpreplay.
I thought I had installed all the necessary packages to run scapy ...
2
votes
2answers
86 views
How is ARP about two VMs running on VMWare?
I know that systems in network connect together with IP and Mac address ,But insofar as i now all of OSs running on virtual machine use a common network card.I want to know how another systems connect ...
0
votes
3answers
132 views
Duplicate MAC but different IP on home router
Would it be possible to have duplicate MAC addresses but different IPs on a home router?
My questions are listed below. I don't have computers with the same MAC. The second
connection displays no ...
0
votes
2answers
102 views
Access Methods to a computer Using MAC Address
I have my own wifi network at home & recently when I checked the active clients on the wifi I found out the there is one active client. Router shows the MAC address of this client and I want to ...
0
votes
1answer
77 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 ...
-1
votes
1answer
216 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 ...
0
votes
1answer
176 views
How to get an IP address from a MAC address? [duplicate]
I have an ipscanner, but not every device is showing up.
If I know a device is on the LAN, and I know its MAC address, how can I get it's IP address?
0
votes
0answers
41 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
2answers
119 views
Easy way to get mac address of network card
I use a lot of scripts that involve the Mac addresses of my network cards. Is there a file I can read or a command that I can use to JUST get the Mac address? I don't want any headers or anything, ...
3
votes
4answers
628 views
Why do we need IP addresses to communicate within the local network segment?
Because MAC addresses are only usable across the local network segment, we use IP addresses to communicate with other segments via routers. Meanwhile, for local targets, ARP is used to translate IPs ...
0
votes
0answers
45 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
138 views
Trying to find MAC Addresses across a network
When using the nbtstat -a (ip address), will it return the true MAC hardware address of the machine?
1
vote
1answer
81 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 ...
0
votes
0answers
89 views
unknown MAC address on the LAN DD-WRT router
I am using a linksys router with DD-WRT firmware with a WiBro internet connection, the ISP uses a hub with multiple user connected to it. The issue is that an unidentified MAC address seems to pop up ...
0
votes
1answer
61 views
Is my MAC monitored? [duplicate]
Possible Duplicate:
Is your MAC address revealed when you hit up a website?
Is the MAC address traceable to the ISP? Or any website?
If so can we hide the MAC address from a second person?
...
2
votes
1answer
117 views
Will I experience any issues if I change my laptop's MAC address(es)?
I'm always worried about anonymity and privacy, and just now I realized that some programs have access to the MAC address (and actually do it), eg: Dropbox.
So I was wondering if changing the MAC ...
0
votes
0answers
64 views
How to create IP forwarding rules based on a MAC address?
I am working on implementing a Windows-based gateway which will act like a captive portal and forward user packets only if he/she is authenticated.
One way of doing it, I thought, would be to ...
0
votes
0answers
67 views
How to block by MAC address with PortSentry
I use PortSentry to block IP addresses who are trying to scan my machine. Now, my question is: how do I block them by MAC address? Can I use PortSentry, or possibly other tools?
1
vote
4answers
138 views
Discover MAC address of wired computer
I would like to know the MAC address of a running computer which is directly connected to my own laptop with a wired cable (ethernet to ethernet).
It has no DHCP server on it and I don't know its ...
1
vote
2answers
652 views
Can two devices with the same MAC address be on the same network?
What happens if there is a device already connected to a wifi network, and subsequently another device tries to join the wifi network using the exact same MAC address as the original?
0
votes
2answers
5k views
How to change the MAC address in Win 8 to spoof a Roku Player through a WiFi splash page?
My Linux laptop died yesterday and now I can't watch TV. Let me explain.
I use a Roku Player to stream Netflix shows to my television; and a year or two ago, the Internet Service provided in my ...
0
votes
0answers
42 views
MadMACs is attempting to run after wifi autoconnect in Windows 7
I have been trying to get MadMACs to run on startup with my Win 7 x64 install. I've used the default registry startup option that is built into the script, but when I startup wlan0 is not randomized, ...
3
votes
1answer
760 views
Can I find my stolen laptop if I only have its MAC address?
My laptop was stolen about 2 months ago. I have the MAC address.
I have contacted the police, but they said they could not find the laptop if it is behind a ADSL modem or any NAT.
Is there any way ...
0
votes
3answers
2k 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
449 views
Is my MAC address public when browsing the Internet? [duplicate]
Possible Duplicate:
Is your MAC address revealed when you hit up a website?
Can anybody see my MAC address when I'm on the Internet?
Also, where can I check my MAC address?
0
votes
1answer
93 views
How to share network connection (without mentioned issues) between tho computers with the same MAC address?
Well, I'm using a network connection where IPs are provided by DHCP locked with MAC addresses of the machines. As there are a lot of computer and other devices connected, there isn't enough addresses ...
0
votes
0answers
40 views
Simple MAC filtering on off Wi-Fi access
I have a Netgear wireless router that I have WEP and MAC filtering set up on for all our wireless devices. I also have teenagers that stream a lot of movies and/or games and kill bandwidth.
Is there ...
-3
votes
1answer
557 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 ...
0
votes
1answer
126 views
MAC address ends with FF:FF:FF
My PCs MAC address ends with FF:FF:FF. I am little confused about this address. As per my knowledge MAC address is of 12 Hex digits (first 6 correspond to Company and second half to a unique NIC). And ...
0
votes
2answers
203 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 ...
7
votes
3answers
726 views
How is the MAC address on a computer determined?
While imaging some computers today, I started to wonder... what if two LAN MAC addresses on two different computers matched?... That would cause some problems. I later came to understand that the MAC ...
0
votes
1answer
170 views
Spoofing MAC address to match other device [duplicate]
Possible Duplicate:
What happens when two PCs have the same MAC adress?
At my school, there is a WiFi network where you can register up to one computer or phone. I, however, wish to connect ...
3
votes
2answers
425 views
Get Mac-Address in Single-User Mode in Mac OS X 10.8?
I was wondering if there is a way to get all the mac addresses of my network interfaces in single-user mode in OS X 10.8. I've tried ifconfig, but since single-user mode doesn't turn on networking, I ...
0
votes
1answer
315 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 ...
1
vote
2answers
1k views
eth0 not starting on boot after Virtualbox clone
After cloning my CentOS VM in Virtualbox (I used the Reinitialize the MAC address of all network cards option), the original and the clone VM both now has 127.0.0.1 as their IP.
Anyone knows how to ...
0
votes
2answers
720 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 ...
1
vote
3answers
443 views
Accessing the physical IP address of a computer on my network that is no longer available
I'm trying to find out how to access the IP address + MAC code of a computer (macbook pro) that I once had on my network at home.
Does terminal store the 'connected' or 'linked' computer ID or IP of ...
0
votes
2answers
344 views
What is this device?
I have a DSL modem with WiFi, and on the list of devices connecting to it, there is one device that is foreign to me (10.163.55.254 in the screenshot below). How can I track down what it is and where ...
0
votes
0answers
330 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 ...
1
vote
2answers
2k views
How should I reserve IP addresses for my home LAN?
My Netgear router supports MAC-based IP reservation, and I'm setting up my very first home LAN where I want multiple Ubuntu servers to be given dedicated IP addresses. This is a consumer-grade router, ...
0
votes
0answers
168 views
Changing WAN IP Address [closed]
A friend of mine is a network administrator on a large gaming networks IRC server, and for the past few days he has been targeted by people attacking his connection.
He has tried contacting his ISP ...
2
votes
1answer
413 views
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 ...
3
votes
4answers
914 views
Is it possible for software to detect your cable modem's MAC address or any unique factor about it?
Is it possible for software to detect your cable modem's MAC address or any unique factor about it?
I'm assuming you can't but I want to double check.
-1
votes
2answers
363 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 ...
0
votes
0answers
326 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 ...
2
votes
4answers
272 views
How to get a Linux MAC address from a Windows machine?
i have a two systems, one Windows, one Linux. Both are connected to a local network. How can I get the Linux MAC address from Windows?
