


sudo nmcli connection modify "Your-Connection-Name" 
ipv6.method manual 
ipv6.addresses "2001:db8:1::10/64" 
ipv6.gateway "2001:db8:1::1" 
ipv6.dns "2001:4860:4860::8888,2001:4860:4860::8844" 
ipv6.dns-search "example.com"
