On 02/14/2017 08:40 PM, Alice Wonder wrote: > Well CentOS 7 doesn't use that, and trying to figure out where in the > mess of /etc/sysconfig/network-scripts the problem is occurring has > caused me much frustration. DHCPv6 is really unusual. IPv6 addressing and routing is set up almost entirely in the kernel, unless you're using static addresses. IPv6 is neither harder nor easier with NetworkManager, in my experience.