OPNsense Forum

English Forums => General Discussion => Topic started by: Jandrews on November 13, 2021, 11:21:22 PM

Title: 1 to many NAT
Post by: Jandrews on November 13, 2021, 11:21:22 PM
Hi All!

Have been running OPNsense for the past year and I have never figured out how to do 1:many nat! Im sure it must be doable, but for the life of me I cannot figure it out!!

So I have multiple external IP addresses, but am looking at making a separate network (eg 192.168.2.0/24) have an external IP different to my LAN (eg 192.168.1.0/24). So my LAN will have the external address of 1.2.3.4 and my 2nd internal network will have the external address of 1.2.3.5

1. Is this doable?
2. If it is doable, how do I go about setting it up?

Thank you all in advanced  :D
Title: Re: 1 to many NAT
Post by: lfirewall1243 on November 18, 2021, 10:06:01 AM
Quote from: Jandrews on November 13, 2021, 11:21:22 PM
Hi All!

Have been running OPNsense for the past year and I have never figured out how to do 1:many nat! Im sure it must be doable, but for the life of me I cannot figure it out!!

So I have multiple external IP addresses, but am looking at making a separate network (eg 192.168.2.0/24) have an external IP different to my LAN (eg 192.168.1.0/24). So my LAN will have the external address of 1.2.3.4 and my 2nd internal network will have the external address of 1.2.3.5

1. Is this doable?
2. If it is doable, how do I go about setting it up?

Thank you all in advanced  :D
Yes

Just create an Outbound NAT Rule on your WAN.
With Source your LAN-Network and select your IP as NAT-Address

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