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OPNSense with ATT BGW320-500 setup help/guide (github.com)
submitted 1 year ago* (last edited 1 year ago) by [email protected] to c/[email protected]
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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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[–] [email protected] 0 points 1 year ago (2 children)

I have the same Residental Gateway. Using pfSense+ on my end. The BGW320-500 is fiber capable. I assume you're using fiber? If so you cannot hook it into ONT because the RG is the ONT. In my case I get raw fiber into a PON module that hooks into the RG. Best you can do in this case is set the RG to "passthrough mode" via web UI (192.168.1.254).

If you have a different setup that is not fiber maybe you'll have more luck with a bypass, but I think you will need the RG regardless for auth: https://docs.netgate.com/pfsense/en/latest/recipes/authbridge.html

[–] [email protected] 1 points 1 year ago (1 children)

Just to understand, does that create a DoubleNAT? Do you happen to know what is your latency (ping time)? Thanks a ton.

[–] [email protected] 2 points 1 year ago

There is no double nat. Passthrough mode has worked as expected for me. The one issue I have is that the RG will maintain firewall states, so it limits you to the RG hardware for those states. I have a pretty large home network though, tons of devices, IoT, etc, and it has been stable.

Latency seems decent. I have an AT&T fiber 2gb symmetrical connection and a ping to google from my Netgate pfSense machine is around 10-15ms.