How do I setup networking after fresh install? Why doesn't networking work automatically? How do I configure NetworkManager to work?

Solution Verified - Updated -

Issue

  • RHEL 6.2 has just been installed and the networking does not work.
    How can I set it up? Why doesn't networking work automatically?

  • For security purposes, RHEL 6.2 does not automatically start NetworkManager. In order to take advantage of NetworkManager, you have to configure your networking to use it.

Environment

  • Red Hat Enterprise Linux 6

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