I've found there is a related StackOverflow question, so I have answered in detail there: http://stackoverflow.com/questions/31938536/reachability-and-ipv6 http

I've found there is a related StackOverflow question, so I have answered in detail there: http://stackoverflow.com/questions/31938536/reachability-and-ipv6 http://stackoverflow.com/questions/31938536/reachability-and... Short answer: Just Try The Connection.