You might try adding more gateways to the conf file?
Or if you’ve got a host your trying to connect to I think I’ve seen people get a VPN connection through ssh? wiki.archlinux.org/title/VPN_over_SSH
alienghic
Can you set your NAT to port forward a port to your ssh host?
I’m currently using yggdrasil to deal with this problem, though I’ve also used tor hidden services.