Once upon a time, Wolfgang S. Rupprecht wolfgang.rupprecht@gmail.com said:
The ISP's that give you IPv6 addresses (Comcast for one) will also use dhcp to give you a whole 64-bit network of addresses via DHCP-PD.
That's typically to a router though, not a host.
I'm curious how many of the people that are disabling their IPv6 actually have painless access to IPv6 and are ignoring it.
I have IPv6 at my home, but with the more common config using RAs. If I don't disable the DHCPV6C option in the ifcfg-eth0 file, bringing up an interface with "traditional" network scripts (e.g. ifup) takes 66 seconds. With DHCPV6C=no, it takes 3 seconds (DHCP for IPv4). Given the very small percentage of environments that are using DHCPv6 today, adding over a minute per interface startup to the default config is wrong.
Oddly, it appears that nothing is taking the DNS information from the RAs and adding it to /etc/resolv.conf. IIRC that used to work with ifup (but maybe I'm remembering wrong).