Linux change mac address ifcfg-eth0

Change Network Interface Name: eth0,eth1,eth2+ - ShellHacks

However, if this is left in for the VLAN interface, the OS will not see the physical device and will fail to bring up the interface at all. Jump to: navigation , search. Starting udev: [ OK ]. Personal tools Log in. Namespaces Page Discussion. Views Read View source View history. Navigation AN! This page was last modified on 4 May , at This page has been accessed 82, times.

Kali Linux Tutorial 3 - MacChanger Commands - How to Change Mac Address

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Change MAC address in Linux

Contents 1 Overview 2 For the Impatient 3 Example 3. Any questions, feedback, advice, complaints or meanderings are welcome. Us: Alteeve's Niche!


  • Cuong's Technical Notes: How to Change MAC Address on RHEL/CentOS/Fedora.
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Do not use anything here unless you are willing and able to take responsibility for your own actions. I am not from system admin background, however due to some reasons I need to set up a cluster of some physical servers, each running CentOS, 6. A1 Yes, the hardware address listed must match the actual MAC address of the interface. They are used to ensure persistent interface configuration when multiple interfaces are present which may be detected in a different order each time the system boots.

A2 ifcfg-eth0 is the configuration file for the eth0 interface. Usually this is an Ethernet card, but any device which appears to be an Ethernet device may be named eth x. A3 To expand on what I mentioned in A1 and A2, the interface name may not be an authoritative means of determining the type of interface. The interface driver may select a prefix which is non-intuitive, the driver may have an option to force the interface name and interfaces can be renamed.

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Wireless interfaces are typically named wlan x or wl x , but you cannot count on that. Listen now. Home Questions Tags Users Unanswered. Asked 2 years, 7 months ago. Active 2 years, 7 months ago. Viewed 2k times. I downloaded the centOS 6.

Note that the digit MAC address in hexadecimal format, and should be entered without any dash -. Reboot the system to make the new MAC address effective. First command brings down the network interface, second command change its MAC address while third command bring up the interface again. Note that in some cases, to bring down and bring up the network interface, the following commands have to be used:.

Change MAC Address on RedHat, FreeBSD, Gentoo, Arch Linux, Suse and Debian Distributions

Alternatively, for Fedora Code 5 Linux with Iproute2 tools installed, the following commands also can change the MAC address to spoofed version:. To check whether the MAC address has been spoofed, use ip link ls eth0 or ip addr ls eth0 instead of using ifconfig eth0. First command brings down the network interface optional , second command change its MAC address while third command bring up the interface again optional. Note that the change is temporary that does not persist after a reboot. To make the MAC address changed at boot before network connection is established, and even before parsing of hostname.

Since Mac OS X To do so, type the following command in Terminal.


  • Rename network interface from eth0 to wan0.
  • Understanding Network Interface Naming;
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