On Mon, Mar 03, 2008 at 09:38:04PM +0000, Tom Brown enlightened us:
You may be able to get the IP out of /proc/cmdline during %post
or
export MYIP=`ifconfig eth0 | awk '/inet/ {print $2}' | cut -d: -f 2`
That would give the local IP, not the IP of the kickstart server...
Matt