[CentOS] Kernel is not compiled with IPv6 support?

>Since I was SSHed into the boxes, I could not test ifconfig (down then
>up!).

Just so you know, you can do this type of thing even with SSH.
(I don't know what would of helped that situation, but for future ref...)

#echo ifdown eth0 && ifup eth0 | at now

through ssh will work fine, and you will still be connected after :)

jlc