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All good and agree, it was more of a test case than a requirement.
My switches aren't stackable so LACP is probably not an option.

Thanks the replies!

That would make sense, but after i create igb1_100 and igb2_100 VLANs, and move over to Other Types > Bridge, these VLANs are not shown in the drop down for bridge members.  On the other hand, if i create OPT interfaces for these two new VLANs, the OPT interfaces can be added to a bridge.
Will have to play with it a little more to understand the flow.  Seems like a lot of redundant steps and interfaces if you have a range of VLANs.

Thanks

Interesting... trying to do something similar, albeit without LAGG.

So if I see this correct, i need to do this:

1. Create VLAN-100 on igb0
2. Create VLAN-100 on igb1
3. Assign OPT interfaces for both of these (without IP?)
4. Add these to a bridge
5. Create another OPT interface for the bridge (assign IP/subnet etc as gateway)

Repeat for each VLAN :)

How do you handle DHCP if DHCP server cannot be enabled on a bridge? Or move DHCP away from OPNsense?

Hi

Doing some playing around in a home environment currently after a migration over to OPNsense.  I have a traditional setup of OPNsense to a switch and 2 links between the 2 switches (Aruba) configured within a trunk.

[WAN] --------- [OPNsense NIC4 ][OPNsense NIC 1] ------ [Switch 1] ------x2---- [Switch 2]

I am contemplating altering this slightly to:

[WAN] --------- [OPNsense NIC4 ][OPNsense NIC1 ] ------- [Switch 1] ------x2 ------ [Switch 2]
                       [OPNsense NIC2 ] ------------------------------------ [Switch 2]

While i might eventually get invest in a 2nd OPNsense box and go the CARP route, wondering if i can avoid the scenario of a dead switch bringing everything down.

Read over docs and forums, I think this is possible with a LAN bridges but not quite clear whether this is so.
I have a range of VLANs also configured so would need to support that.

If anyone has done this or has ideas of best approach, would be grateful for any insight?

Thanks