Quoting Robert Moskowitz <rgm at htt-consult.com>: > I want to seriously work with IPv6 and not have stray IPv4 functions > messing with me. > > So in /etc/sysconfig/network, I commented out NETWORKING=yes. I have > NETWORKING_IPV6=yes. > > In /etc/sysconfig/network-scripts I altered ifcfg-eth0, setting > BOOTPROTO=none. That was enough for eth0 to only have IPv6 working on > it (have IPV6INIT=yes and IPV6_AUTOCONF=yes). > > But lo had IPv4. So I commented out all of the IPV4 lines in ifcfg-lo. > Still have IPv4 on lo. How do I disable that? Try adding "alias net-pf-2 off" to your /etc/modprobe.conf