Got an odd one for you.Using a Draytek 2760Vn as the primary router for a fixed wireless service at my parents home (note: router, the dish acts as some sort of magical modem).Living in a different part of the country means I have to VPN into the router to administer the various machines through VNC; this was all going well until VoIP problems forced us to switch to the locked down router provided by the ISP (no VPN functionality).On swapping the Draytek back in a month or so later (with no change in config on router or at ISP), I discovered that after VPN connections from a remote dial in user simply time out. Checking the Syslog shows no activity at all for VPN, not a single instance indicating misconfiguration or failed handshake etc.Factory reset, upgraded the firmware, reconfigured both ends of the equation, got a friend to try dial in: still no connection, timing out after about a minute.Interestingly, said friend has exactly the same problem with VPN'ing into his office's Draytek since a few days ago. Does anyone have any recommendations on what steps we should try next?
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