Sometimes weirdness occurs within DNS if you’re on an IPv4 network and you connect to a dual-stack or v6-only VPN. Maybe the browser doesn’t connect, but you can still send pings, or vice versa. Is the OS getting confused about which stack and which order of interfaces to request services? Is the weird behavior being caused by Happy Eyeballs? Is it something else? These occurrances can be infuriating and very difficult to troubleshot. On today’s IPv6 Buzz we dive into this weirdness to see if we can figure out the causes, and offer suggestions to get your remote access VPN and DNS to play nicely with mixed stacks.
Take a listen here