Update troubleshooting.md

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@ -409,7 +409,7 @@ Example command:
sed -i -e 's/#*.dos_protection = yes/dos_protection = no/' /etc/strongswan.d/charon.conf && ipsec restart
```
### WireGuard: Clients can connect on Wifi but not on LTE
### WireGuard: Clients can connect on Wifi but not LTE
Certain cloud providers (like AWS Lightsail) don't assign an IPv6 address to your server, but certain cellular carriers (e.g. T-Mobile in the United States, [EE](https://community.ee.co.uk/t5/4G-and-mobile-data/IPv4-VPN-Connectivity/td-p/757881) in the United Kingdom) operate an IPv6-only network. This somehow leads to the Wireguard app not being able to make a connection when transitioning to cell service. Go to the Wireguard app on the device when you're having problems with cell connectivity and select "Export log file" or similar option. If you see a long string of error messages like "`Failed to send data packet write udp6 [::]:49727->[2607:7700:0:2a:0:1:354:40ae]:51820: sendto: no route to host` then you might be having this problem.