Adding Sophos SG230 (Rev.1 with OPNsense) into existing Omada setup

[pan07gaz94]

Hello everyone ,

I currently have an Omada-based network setup and I would like to integrate a Sophos SG230 Rev.1 running OPNsense.
My goal is to route specific VLANs through OPNsense while keeping the rest of the setup functional.

I've attached a diagram showing the current setup and how the new hardware is intended to be connected.

I would really appreciate guidance on:
   •   Proper connectivity between the devices
   •   VLAN configuration and passthrough setup
   •   Recommended OPNsense and Omada settings for this scenario

Hardware in use:
   •   Router: ER7602
   •   Switch: SG3428

Thank you in advance for your help!