How to find MAC Address

Sep

2010

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How to find MAC Address

Computing - Windows

MAC stands for Media Access Control that uniquely identifies a piece of hardware in a network and is made up of 12 digits.

If using a wireless router, you can set Access controls that allow only specified MAC Ids to access the router to prevent unauthorized access. On a different note, there are utilities available that allow you to change the MAC Address.

How to find MAC Address Windows NT/2000/XP

Open Command Prompt.
Enter ipconfig /all. An example of the output is given below.

Windows IP Configuration
Host Name . . . . . . . . . . . . : AXCBCB
Primary Dns Suffix . . . . . . . :
Node Type . . . . . . . . . . . . : Unknown
IP Routing Enabled. . . . . . . . : No
WINS Proxy Enabled. . . . . . . . : No
Ethernet adapter Local Area Connection:
Connection-specific DNS Suffix . :
Description . . . . . . . . . . . : Intel(R) PRO/100 VE Network Connection
Physical Address. . . . . . . . . : 00-11-11-07-01-26
Dhcp Enabled. . . . . . . . . . . : Yes
Autoconfiguration Enabled . . . . : Yes

The Physical Address will be your MAC Address.

How to find MAC Address on Linux

Sign on as root using su -
Enter ifconfig -a. An example of the output is given below.

[tsc@localhost ~]$ su -
Password:
[root@localhost ~]# ifconfig -a
eth0 Link encap:Ethernet HWaddr 00:0F:B0:0B:4F:C3
inet addr:192.168.1.21 Bcast:192.168.1.255 Mask:255.255.255.0
inet6 addr: fe80::20f:b0ff:fe0b:4fc3/64 Scope:Link
UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1
RX packets:31 errors:0 dropped:0 overruns:0 frame:0

The MAC Address is listed as HWaddr. In this case 00:0F:B0:0B:4F:C3

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Last Updated on Saturday, 03 November 2007 08:12

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