2017-04-09 16:33 GMT+02:00 Edgar Pettijohn <ed...@pettijohn-web.com>: > On 04/09/17 04:45, Florian Ermisch wrote: >> >> Hi Edgar, >> >> check the MTU on your tunnel device. >> You can give it a try with >> doas ifconfig gif0 MTU 1400
> Unfortunantly that didn't do it. I think I'll just wait until my ISP offers > it. I'm guessing my problem is the gif0 tunnel. Hopefully one day without > the tunnel it will work. Check on tunnelbroker.net in the tunnel details, in the "Advanced" tab you can set the tunnel mtu. With a mtu of 1500 on the physical interface, the maximum mtu possible is 1480. It's the defaults at he.net iirc, but that doesn't hurt to check it's not at 1280 (minimum allowed ipv6 mtu).