**Figured it out. In addition to turning the NIC back 'up', I have to restart the network service.
# /etc/rc.d/network stop
# /etc/rc.d/network start
Problem solved. Lock thread please
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I turn off my NIC card, eth0, by typing in the command:
NIC is off, which is great. I then do:
I can ping my LAN nodes, but I cannot reach anything outside the internet. Not even pinging by website name or IP address works. What else do I need to reinitialize eth0? Just trying to figure this out of curiousity.