reset network interfaces on centos 6.3

Posted on Oct 2, 2012

If You copy/clone Your machine, or change network card, on linux Your interfaces get names eth1, eth2, eth3 and so on.

Before makeing changes just delete /etc/udev/rules.d/70-persistent-net.rules file. After first boot, network interfaces will be enumerated from zero again.

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rm /etc/udev/rules.d/70-persistent-net.rules