I have spun this posting out as a separate thread as it does not seem to be a Ghost issue. If I recall correctly, Rapid Installer is part of the Altiris product suite.
So can you confirm first of all which Symantec product you have, and the version.
At first glance, it looks very much as if your Rapid Installer is trashing the existing network settings. How have you created your install package? I presume installing the Cisco application manually does not exhibit these issues.