OPNSense with ATT BGW320-500 setup help/guide

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Hi,

I was trying to setup OPNSense with My ATT BGW320-500, and had a few questions.

Configuration Questions:

  1. Dupuis.xyz - this link has a FW for an older version for BGW210-700, can I use it for my BGW320-500?
  2. Prerequisites mentions that I need to figure out ONT_IF, EAP_IDENTITY, and RG_ETHER, how does one do that?

Setup questions:

  1. Do I need the Ethernet from ONT cable to my WAN port on OPNSense box?
  2. Step 5 in the prerequisites document asks to test, but my box doesn't have bash or any internet access (to install bash)? How do I do that?

Thanks.

EDIT: I'm using Fiber.

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What firmware is your BGW320 currently on? There's a method for newish firmwares that should work on the 320, and are confirmed working for the BGW210.

No easily accessible guide for it yet, but for OPNSense and PFSense themselves, there's a simpler bypass available now. It still requires certificates. PFSense has an auth bridge mode that does not require certificates, but requires 3 interfaces and for your modem to still be plugged in.

You will need to connect the ONT ethernet directly to the WAN port for a bypass to work.

Software Version 4.23.4, Imma give it a try, I'm on the same version as the repo. Fingers crossed :) Thank you for helping.