IPv4 Config	IPv6 Config	Status	Comments	Bug #
Automatic (DHCP)	Ignore	Works	I have IPv6 address
Automatic (DHCP)	Automatic	Works	In resolve.conf. Domain is from DHCPv4. Search and DNS is from both DHCPv4 and DHCPv6.
Automatic (DHCP)	Automatic, addresses only	Works	In resolve.conf. Domain is from DHCPv4. Search and DNS, is from both DHCPv4 and DHCPv6. DOMAIN is added to ifcfg file, but not displayed in NetworkManager.
Automatic (DHCP)	Link-Local Only	Works	Retained previous IPv6 address.
Automatic (DHCP)	Manual	Works	In resolve.conf. Domain is from DHCPv4. Search and DNS, is from both DHCPv4 and DHCPv6. DOMAIN is added to ifcfg file, but not displayed in NetworkManager.
Manual	Ignore	Works	Retained previous IPv6 address.
Manual	Automatic	Works	In resolve.conf. Search and DNS is from both DHCPv4 and DHCPv6. DOMAIN is added to ifcfg file, but only displayed in IPv4 area in NetworkManager.
Manual	Automatic, addresses only	Works
Manual	Link-Local Only	Works	Retained previous IPv6 address.
Manual	Manual	Works
Link-Local Only	Ignore	Failed
Link-Local Only	Automatic	Failed
Link-Local Only	Automatic, addresses only	Failed
Link-Local Only	Link-Local Only	Failed
Link-Local Only	Manual	Failed
Disabled	Ignore	Works*	IPv4 Setting automatically changes to Automatic (DHCP)
Disabled	Automatic	Works	Search and DNS is from DHCPv6.
Disabled	Automatic, addresses only	Works	No Search or Domain but has DNS in resolv.conf.
Disabled	Link-Local Only	Works	From scratch, but not if link local IPv6 address is left behind
Disabled	Manual	Works	No Search or Domain but has DNS in resolv.conf.