I set up the Swisscom VPN and can establish a connection. However, once connected, I cannot reach ANY devices on my internal network, not even the router. It turns out I have a 32-bit subnet mask (255.255.255.255), so I'm essentially in a network with... myself. If I add a static route 192.168.1.0/24 and use my assigned internal (VPN) IP address as the gateway, everything works fine.
My question is: why am I getting a 32-bit mask and how can I get a regular 24-bit mask so I needn't create a static route every time?
" ... Für IPv6 kannst du 6RD konfigurieren, indem du 6rd.wingo.ch als Gateway, 2a02:21b0::/32 als IPv6-Netzwerk und eine Netzmaske (bit mask length) IPv4 von 0 verwendest. Die MTU ist 1480 Bytes. ... "
" ... You can configure 6RD for IPv6 by using 6rd.wingo.ch as gateway, 2a02: 21b0 :: / 32 as IPv6 network and a network mask (bit mask length) IPv4 of 0.The MTU is 1480 bytes. ... "
Thank you so much for sharing this! Honestly, I haven't been a systems engineer in many years and was never a network engineer. So IPv6 and 6RD are a little over my head.
I think I understand, though, that for VPN to work properly, I need a router over which I have more control. Could you help me understand why? VPN did work when I hotspotted myself before I left home. At that time, I must have had a proper mask, otherwise I wouldn't have been able to print the test page.