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Well it must have been a stupid question. Not one reply

Is this a stupid question? Is there some other way I should be looking at this? I'm just trying to set ip my network  anew  and learn a few things but I can't get started because the Omada SDN controller is knocking my iPhone off the network, so I need to isolate it. I don't know how to do that. I would really like some help.

This is a rephrase of my previous question. I'm not sure how to ask. Newbie

On proxmox I have a test bridge with a nic. The bridge is assigned on OPN.  OPN in vm on Proxmox. OPN has its WAN to my local network. Can I set up the same network segment addressing on this bridge as in my local lan, but isolated from it. I need to sandbox some misbehaving devices as if on my local lan. Need access to internet from bridge through OPN WAN.

How should I do this?

Thanks

Hi all,

I'm new at this... I am transitioning from a dumb ISP router/WAP system to something more interesting.

My current home network is all on the 192.168.0.0/24 network segment.

I have OPNsense 23.7.10 running in a vm on Proxmox pve-manager/8.1.3. It is not yet my firewall/router
In Proxmox I have an Ubuntu cloud vm running mbentley/docker-omada-controller.
All on the same network segment.

I started the controller and connected my new TL-SG2016P switch. The controller adopted the switch ok.

Then I began having problems with my iPhone 12 Pro - Every time I bring the Omada controller up - it knocks the iPhone off the network. Very repeatable. My iPad Air 4 unaffected.

Is it feasible to create a network bridge on Proxmox, connected to a spare nic. Attach the virtual nic on my Omada controller vm to that bridge, plug the switch into that bridge/nic only, and use OPNsense to act as DHCP server for that bridge, creating a replica 192.168.0.1/24 subnet with access to my home gateway on 192.168.0.1 - or the OPNsense WAN. Thereby isolating the Omada gear my home network - so I can explore configuring the Omada stuff safely?
Eventually I expect to have a separate control VLAN for the Omada stuff - but I'm not there yet. I just need a safe play-space.

I have had a few tries and have assigned the bridge with the nic attached to OPNsense - but am lost at making an isolated replica network segment with access to the gateway/WAN - and the internet.

Cheers...