Newbi here also

[timlab55]

Okay, I'm completely lost when it comes to this stuff.  So please bear with me as I ask my questions.  My setup is as follows:  1GB fiber coming into my ATT Gateway (320-500).  From the ATT Gateway, I have it in IP Passthrough mode to my ASUS RT-88U Pro.  Now here's comes the fun part.  I would like to use my raspberry PI4 for OPNsense.  So how would I wire this up?  Can it even be done?  What is the best way of doing this?
Thanks

[EricPerl]

I believe that's there's a topic about this (https://forum.opnsense.org/index.php?topic=35828.45) but I suspect it's not for newbies.

IMO, save yourself the trouble and try it out on a mini-PC with at least 2 Intel NICs.

[timlab55]

Your right that's over my head.  As I said "I'm a newbi".

[Monviech (Cedrik)]

Dont use a Raspi for OPNsense. If you want something that just works, get an official appliance from the OPNsense shop. Otherwise use a mini PC with an intel N100 CPU and Intel Network Ports.

[timlab55]

You know I posted this question back in May, I started to watch another video of this, and I'm now ready.  Things have changed, and therefore, I need to know this.  Okay so I have a cable coming in from the street connected to my AT&T router.  Then it's connected to my router and my router hands out all the stuff it's suppose to do.  So do I put a cable from my AT&T router to my PC that is running open sense and then to my router or just forget the router?
Thanks

[Patrick M. Hausen]

Regularly you would replace your router with OPNsense to make the best use of it. If that is possible with your AT&T line and contract I do not know.

[coffeecup25]

Your right that's over my head.  As I said "I'm a newbi".

I agree with the others. Buy a  multi-port Chinese commodity PC from Amazon for well under $200. Unless you have a lot of need, anything with a processor passmark rating of over 2000 is superpowered, but that is the bottom level available. So you should be good there. 4GB Ram and 64 GB SSD on up is fine. I personally would go 8GB RAM and a larger SSD in case you want to turn that PC into a file server some day. They don't need much power, either. Make sure the PC has Intel I-226V ports as Realtek is said to be a pain to work with.

Then spend some time learning. Videos on YouTube are helpful although not all are of high quality. Some people come right to the point clearly and others drone on about almost everything but the stated objective of the video. And everything in between.

We were all newbies at this at one time. And very few are experts. Not me, certainly.

If you're just looking for a toy to play with (nothing wrong with that), try putting OPNsense in a VM. There's a lot of instructional material on the internet for that. Some people think they're great. Other's think VMs for router software are a security risk.