sorry for the long wait before the answer. I have not noticed the reply :)
linux client <-> lan:pfsense:lan<-> lan:internal router:lan2<->linux server
IPs are:
192.168.1.100/24 (client) <-LAN1-> 192.168.1.254/24 (default GW) <-static route to 10.0.1.0/24-> 192.168.1.111/24 (internal router) 10.0.1.254 <-LAN2-> 10.0.1.30 (server)
thanks