Ubuntu Networking :: Change Eth1 Mac Address Permanently 9.10?

Jan 22, 2010

how can I change eth1 mac address permanently in an easy way?

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Networking :: 2 NICs Permanently IP Address

Jun 15, 2011

I have 2 NICs on my ubuntu server.... eth0 has its IP address....but eth1 doesnt.

How do I assign an IP address to eth1 using only commands on the command line?

And I need it to be permanently...

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Fedora Networking :: Change Eth1 Into Eth0 And Viceversa?

Apr 3, 2009

I have two network devices :

1. Intel Corporation 82574L Gigabit Network Conncection (Currently eth0, Mac=00:0e:8c:ab:c6:b1)

2. National Semiconductor Corporation DP83815 (Currently eth1, Mac=00:0e:8c:8a:70:62)

I want to change them so that the "Intel" become eth1 device and the "National" become the eth0 device.

I already tried these steps :

1. I disabled the Network Manager and enabled network

2. Edit the /etc/udev/rules.d/70-persistent-net.rules like this


3. Change the /etc/sysconfig/network-scripts/ifcfg-eth0 and /etc/sysconfig/network-scripts/ifcfg-eth1 MAC addresses.

4. Reboot

5. After it bootup the Fedora can't recognize the devices, if I do ifconfig -a it shows "eth0_rename with FF:FF:FF:FF:FF:FF mac address".

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CentOS 5 Networking :: Change The Primary Nic From Eth1 To Eth0?

May 7, 2009

Centos 5.3 How can I change the primary nic from eth1 to eth0? My board has 2 nic's and I'm having license issues with cpanel

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CentOS 5 Networking :: Eth0, Eth1, Eth1:0, Route = Get One Gateway For All The Eth?

Mar 4, 2011

I need to setup two ethernets in my Centos box. OK no problem both ethernet and 1 virtual works perfect. eth0, eth1 and eth1:0. I'm trying to set up diferent routes for eth0 and eth1/eth1:0 I need eth0 has a gateway and eth1/eth1:0 gateway.I think I've tried almost every thing but always get one gateway for all the eth.These are my config..

eth0 Link encap:Ethernet HWaddr 00:XX:XX:XX:XX:XX
inet addr: Bcast: Mask:[code]......

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Networking :: Sending Video Streams From Eth0 And Eth1 To The Other Server Programs' Eth0 And Eth1?

Jul 30, 2010

I try to generate a server client code. What i try to do is sending video streams from eth0 and eth1 to the other server programs' eth0 and eth1. In order to do that, i decided to use SO_BINDTODEVICE. But the code is not working. Am i misunderstood the usage of SO_BINDTODEVICE.

1-Defining two ports
2-Defining two sockets
3-Assigning host ips on them


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Ubuntu Networking :: Can't Change MAC Address

Jan 13, 2011

As I try to change my if0 MAC address either from /etc/networking/interface, or from GUI application, when I try to reconnect (through GUI) the application automatically creates some sort of alias interface with the default MAC every time, and leaves the one with the changed MAC aside.

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Ubuntu Networking :: Change To A Static Ip Address?

Apr 11, 2010

I have followed some instructions to change to a static ip address and have now lost my connection to my router. The mistake I made was not copying the original "interfaces" file before making changes.The file originally had: auto wlan0 iface wlan0 inet (something - I thought it was loopback but didn't work when I added it).

The instruction told me to put:
auto eth0
iface eth0 inet static

Which I did, using my own ip numbers, except for "broadcast". I didn't add that in because I didn't have a clue what to put there. When it didn't work, I tried putting it back to what I originally had except I can't rememebr that last bit. I added dhcp instead of what I thought it was but this didn't work either.

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Ubuntu Networking :: Internal IP Address Change?

Apr 16, 2010

Now I'm not too clued up about networking and IP addresses. However, I know that I have an IP address for my router (which is dynamic) and then all of my machines have internal address e.g.

My server, had the internal address of but now has changed to what causes this to happen? I have to change my port forwarding on my router to allow access to my server from outside my network.

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Ubuntu Networking :: USB Wi-Fi Adaptor For MAC Address Change

Jun 10, 2010

My laptop has an internal Broadcom wireless adaptor. It works fine for basic Internet access, but I cannot change the MAC address with ifconfig. I would like to be able to change my MAC address. Since this is a laptop, the only option for me to do this is a USB wireless adaptor. But compatibility is very hit-or-miss. I've already tried two USB adaptors that had been stated to be compatible with Linux, and while both worked for basic functionality, neither allowed me to change the MAC address.

For whatever reason, this information seems very, very difficult to find. I have spent upwards of ten hours cumulatively searching forums (including this one) and other resources, and have found only vague, outdated, or outright false information regarding USB adaptors that support this. I believe I will be doing a great service to other users like myself by getting this question directly and conclusively answered for once, and the more responses, the better.

Do you have (or know of) a USB wireless adaptor that actually allows you to change the MAC address?

If so, what is the specific brand and model number, and what steps were necessary to install the drivers?

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Fedora Networking :: How To Change The Mac Address

Feb 17, 2009

Some people may need to change the mac address of their ethernet network cards. This can be easily done with fedora with command line. Just follow the steps below:

1. Log as root on a textual console (ctrl+F2) or through "su -" command in your console

2. Print your network configuration with ifconfig

[root@localhost ~]# ifconfig
eth0 Link encap:Ethernet HWaddr 00:23:8B:6A:7E:9E
inet addr: Bcast: Mask:
inet6 addr: fe80::218:8bff:fedb:7e9e/64 Scope:Link


Here, eth0 is the ethernet interface of your system. The mac address is put in red.

3. Change your mac address using the following syntax

ifconfig eth0 hw ether 00:18:8BA:7E:90

The new value (in green) must be hexadecimal

4. if you have a dhcp server that distributes the adresses automatically, then request a new adress for your eth0 interface

[root@localhost ~]# dhclient eth0

5. Now, your interface is up and have a new mac and IP addresses. This feature may be useful if the network administrator ban you according to the mac adress, for example .........


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Fedora Networking :: Change IP Address In KDE?

Mar 26, 2011

I've just reinstalled F14 with KDE rather than Gnome and I'm finding that I'm unable to assign a static IP address to my wired connection.

KDE automatically connects via DHCP, but when I go into KDE's network manager, the eth0 connection isn't listed. In fact, no wired connection is listed. If I manually add one with the correct settings (including a static IP), it switches back to DHCP upon rebooting.

How can I get around this? Should I install the networkmanager-gnome package?

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Networking :: Change Mac Address - To Be The Same As Another Computer ?

Mar 3, 2010

I need to change my Mac address to be the same as another computer. My university for some reason only allows 2 computers per jack i think! and i have 3. for some reason when i plug my 3rd PC in i lose connection on my other two. i have a win 7 laptop and a Ubuntu laptop. I want to setup a small server since my school blocks all ports off campus i can't use it off campus but i want to use it on campus.

My 3rd PC is a ubuntu Desktop is there a program i can use or a command i can use to spoof the mac address.

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Networking :: Change MAC Address BCM4313

Dec 11, 2010

I purchased a Dell Notebook n4030, that came with the wireless adapter from Broadcom BCM4313. It's been a while since I've been battling with the Broadcom driver to make it work perfectly. I did it!

But some servers I work with wireless in my town and I need to always be changing the MAC Address of my wireless adapter. Whenever I make the change, which is in the Linux distribution is already using it, when I enter the command:

Come to me the message:

Then I give an UP interface, but after that the adapter does not get the IP address of the network.

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Ubuntu Networking :: Change From DHCP To Static IP Address?

Nov 14, 2010

Does anyone know an easy way to do this? I can't seem to figure it out.

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Ubuntu Networking :: Change WLAN0 MAC Address At Every Boot

Jul 29, 2011

change my WLAN0 MAC address in my Kubuntu Natty 64 bit at every boot. I have done quite a bit of searching and found some procedures that appear to have worked back in 9.04 and before days but I have been unable to get anything to work for me in my 11.04 install. I have tried adding a script to if.pre-up.d and also tried adding a bootmisc.sh and either I did them wrong or they are not working. I want to make sure that every time I bring the wireless up in Kubuntu that I have the changed MAC address. I usually keep wireless disabled and turn it on just when I need it.

Background so you don't think I am doing something nefarious... I am going on a cruise soon. The cruise line sells wireless internet subscriptions for the duration of the cruise but they tie it to a MAC address. I am bringing my CDMA android phone that unless I use VOIP will be unable to call at all or at least with very high charges. But I also want to be able to browse the internet with my laptop. I figure it will be easier to spoof my phones MAC with the PC than the other way around. I just need to turn one device off if I am using the other. I need the MAC address to be semi permanent so I don't turn it on by mistake and have forgotten to change the MAC.

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Red Hat :: Change Eth1 To Eth0 ?

Jun 22, 2010

I'd like to ask you all for a simple thing on Slackware that I dont know how to do under RHEL 5.4.

Under Slackware 12.2 it is easy to change eth0 to eth1.

This should be done in file: /etc/udev/rules.d/75-network-devices.rules:



Well, under Red Hat it looks slight diffrent. It looks like RHEL does not use udev ( correct me if i am wrong but there is no simillar file in /etc/udev/rules.d and cant see any script in /etc/init.d/).

I have found that all NIC configuration is stored in /etc/sysconfig/netwotk-scripts/ifcfg-ethx.

On this file it is possible to place varible: HARDWARE=

However after reboot it doesnt work. So, my question is - how to assign eth[number] to specified MAC-addr ?

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Fedora Networking :: How To Change Wlan Mac Address ?

Mar 3, 2009

I couldnt find something for changing mac address for wireless. how to do that....

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Fedora Networking :: Change In Gateway Address?

May 26, 2009

OS:Fedora core 6

I have just changed my gateway address,now I can access internet with my browser but unable to run add/remove software as it says no network connection available,system updates are not working as well. What should I do make these working?

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Networking :: Can't Change From Dhcp To Static Ip Address

Jan 16, 2010

Can't change from dhcp to static ip address.I've installed Oracle's version of Linux Redhat 5, but I'm having no success changing from dhcp to a static IP address. My machine is plugged directly into a Belkin router which has the IP address: I use the gui: /usr/bin/system-config-network and set the network device to dhcp,it works fine. But if I set the IP address manually, I get no internet traffic, and if I ping an internet website, "network unreachable".The installation instructions for Oracle say that they want a full domainname. I've tried gateway.2wire.net. This worked in the last place I did a successful installation.It was the address of my ATT router. If I plunked that into a browser, I got the router configuration.

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Networking :: Change Mac Address In Pclinux 2010 Kde?

May 2, 2010

how can i change mac address in pclinux 2010 kde and can i do it by hand in interface file

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Networking :: Change Static Gateway Ip Address?

Mar 31, 2010

when I do "route -n", I got:


Kernel IP routing table
Destination Gateway Genmask Flags Metric Ref Use Iface U 0 0 0 eth0 U 0 0 0 eth0 U 0 0 0 lo UG 0 0 0 eth0

I need to change the static configuration, like I, I don't know how it got there also I want to delete from a static gateway. How can I do this?

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Networking :: Find And Change Mac Address In Fedora 14

Jul 5, 2011

How to find and change mac address ?

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Ubuntu Networking :: Cancel Change And Return It To The Real MAC Address Of NIC?

Nov 9, 2010

In order to change the MAC address I do: ifconfig eth0 down hw ether ff:ff:ff:ff:ff:f0 When the ff:ff:ff:ff:ff:f0 is the new MAC address. Now how do I cancel that change and return it to the real MAC address of my NIC?

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Ubuntu Networking :: Change Ip Address Of Second Internet Sharing Network Card?

Sep 2, 2010

I have a second network card in my ubuntu desktop that I have sharing my internet connection with a wireless router. I have set the router to a static ip address within the network cards range. But, every time I restart the computer, the network card uses a different ip address. One time it will be, the next time it will be, ect. This makes me have to hard reset my router every time it does this. How can I set the network card to use the same ip address all the time?

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Networking :: Change Desktop Image To Display All Of IP Address?

Feb 14, 2010

I have a script that will change my desktop image to display all of my network IP address. I need to call this script whenever a change in the network occurs. Example, if I disconnect from one network and then connect to another network and get a new IP address.

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Networking :: Kernel - Forward Packets From Eth0 To Eth1 And Eth1-to Eth0 As Well As Get A Copy Of These Packets For Analysis

Sep 27, 2010

I have a hardware device with two ethernet ports, eth0 and eth1 running Centos 5. Basically my goal is to forward packets from eth0->eth1 and eth1->eth0 as well as get a copy of these packets for analysis. If I set IP routing to do the forwarding then I won't get a copy of the packets for analysis.

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Ubuntu :: How To Change The Timezone Permanently

Jan 3, 2010

So, here's my problem. Every time I'm trying to change my timezone, it last until I'm restarting my comp again, it seems like it doesn't save the changes permanently.I'm using Ubuntu v9.10 installed through Wubi. My timezone is set currently via BIOS.

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Debian Hardware :: Change The Eth2 To Eth1?

Apr 30, 2010

how can i change the eth2 to eth before this I have 3 nic. eth0 , eth1 ,eth2.. then I remove the eth2 nic, so, how can i change eth2 to eth1..

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General :: How To Change Eth1 To Wlan0 In Fedora

Dec 16, 2010

I recently installed Linux "Fedora" and when I click "ifconfig" I see can see the network card "eth1" I want to change it to "wlan0", I realized that this is a common enough problem at Fedora, and I read about it a bit on Google but unfortunately I did not understand how to change it correctly. give me the order strictly Consul that allows Linux to change the name of my network card

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