I highly recommend ZeroTier for maintaining stable connectivity and static private IPs regardless of NAT or networking environment peculiarities. It also suppor

I highly recommend ZeroTier for maintaining stable connectivity and static private IPs regardless of NAT or networking environment peculiarities. It also supports multipath bonding of interfaces like SD-WAN. (in an alpha branch) We use it to connect to touring production racks using a consistent IP regardless of what concert venue ISP they might be connected to on a given day.