RV042 IP Forwarding Issue

I have an RV042 router that I am using to forward traffic from external IP addresses to internal private devices. I have a server with two NICs that need to be on different subnets. So my question is, how can I forward the traffic from the public IP address to a private IP address that is on a different subnet than the router?
(Router IP : 10.10.10.1, 2nd NIC: 10.10.1.104)
I have tried setting up static routing. This allows me to ping the .104, but I still can't forward to it using 1 to 1 NAT. If it matters, the IP on the first NIC is 10.10.10.104.
If you need me to clarify anything, just let me know. Any help would be greatly appreciated.

Hi tim.ragin7
My name is Johnnatan and I am part of the Small business Support community.
I have a couple of questions for you,
Do you have a switch between the router and the server?,
Could you send a picture with your topology?
Are you using Vlan´s, are they allowed in the NAT configuration?
Thank you.
I hope you find this answer useful, if it was satisfactory for you, please mark the question as Answered.
Johnnatan Rodriguez Miranda.
Cisco Network Support Engineer.Good morning gatorbyte

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requiem wrote:
Question to BT
Hello i have recently joined BT Infinity and have hit the issue of the Port Forwarding not working. My HH3 is on the following version of software. Will this version automatically upgrade to the latest version of firmware and will this fix my port forwarding issue?.........
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loginix wrote:
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