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1. Navigate to the network-scripts directory:

   Tip
   cd /etc/sysconfig/network-scripts

2. Delete any ifcfg-*.bak files:

   Tip
   rm -f /etc/sysconfig/network-scripts/ifcfg-*.bak

3. Edit every ifcfg-eth* file in the network-scripts directory. Remove the HWADDRESS= line:

   Tip
   vi ifcfg-eth0

   Tip
   vi ifcfg-eth1

   The ifcfg-eth0 file should contain the following:

   No Format
   DEVICE=eth0 BOOTPROTO=dhcp ONBOOT=yes

   The ifcfg-eth1 file should contain the following:

   No Format
   DEVICE=eth1 BOOTPROTO=dhcp ONBOOT=yes

4. Reboot the computer:

   Tip
   shutdown -r now

5. Check the ifcfg-eth* files to make sure there are no ifcfg-eth* files and that the HWADDRESS= lines have not been automatically added back:

   Tip
   ls /etc/sysconfig/network-scripts

   Tip
   cat /etc/sysconfig/network-scripts/ifcfg-eth0

   Tip
   cat /etc/sysconfig/network-scripts/ifcfg-eth1