Hello everybody!
I have a pfSense server setup with several clients. The clients are Teltonika RUT955 router's, based on OpenWRT.
After setting up the site-to-site connection I have no problems connecting either side of the network - I can ping clients on the server side and vice versa. But after a few hours or maybe even minutes i lose connectivity from the client side to the server network, ping is 100% loss. But from the server network everything is still accessible. To regain connectivity I have to reboot the router or restart the VPN connection. The routing table seems to have a route to the server network at all times.
The OpenVPN config on the router:
config openvpn 'client_Ex'
option persist_key '1'
option port '1194'
option _role 'client'
option dev 'tun_c_Ex'
option verb '5'
option nobind '1'
option proto...