Regarding site to site VPN

[ravi.pillai]

Hi All,

Greeting for the day…!

i am new to pfsnse and i try to do ie ,

changing my  source IP 172.16.1.X  to which should be translated for 10.1.2.3 and should reach. my other firewall  as my second firewall will accept connection from 10.1.X.X

The transfer do ip is needed as to make my ipsec vpn to work,

I think NAT will work for me but not knowling how to do it

please help me asap.