Make traffic always egress on specific LAN IP
How can I configure it so any traffic the comes in on 10.0.0.1 always leaves on 192.168.1.1 and traffic that comes in on 10.0.0.2 always leaves on 192.168.1.2?
I take it these .2 are vips you have setup.
What is the source of this traffic? Is it rfc1918 in your network - or public being forwarded to pfsense rfc1918 wan IP? Why do you think you want to do this? What do think it will accomplish exactly?
But sure you could outbound nat into your lan from your lan vip.