>'/sbin/ifconfig -a' returns: >lo Link encap:Local Loopback Your system is not seeing your network cards. It is only seeing your loopback device. I opened system->administration->network->edit->hardware device, and deleted the mac address from the box, and pressed Probe. In less than 1 second it gave the correct mac address in the box. Probe is not the reason your system has no network. What else did you change? -------------- next part -------------- An HTML attachment was scrubbed... URL: <http://lists.centos.org/pipermail/centos/attachments/20110126/e0e50b02/attachment-0005.html>