As in /usr/sbin/system-config-network? The yes. Or something else (probably officially called "network manager")? At this point there are
Well, I am probably about to be char broiled in flame, but I just edit /etc/sysconfig/network-scripts/ifcfg-eth{n} and what ever else like resolv.conf by hand and uninstall network-mangler or remove it from my KS script.
Network mangler is the devil :)
jlc