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HOWTO: (Re-)Set the eth mapping

March 16th, 2008 Mario Hochreiter

Due to some network hardware modifications on my ubuntu 7.10 system i already had 6 entries of eth devices. From which only 1 is still in my computer. Now the only network card which i am using has the name “eth5″. As some programs expect the default network card as eth0 i tried to change the name for my network card from ethN to eth0.

Following steps are necessary:

• open /etc/udev/rules.d/70-persistent-net.rules
• change the “NAME” parameter inSUBSYSTEM=="net", DRIVERS=="?*", ATTRS{address}=="yourMacAddr", NAME="eth5" to the value you would like to set.
• restart your system

That`s it. Now your network card should be reachable under the new name.

Entry Filed under: Ubuntu, Linux