inter-VLAN Routing freezes OpenWrt at 2-3 Mbit/s iperf3 test

Hi,

Inter-VLAN Routing is freezing my OpenWRT Appliance.

I'm using a L2 Managed Switch for my vLAN Setup. I'd lilke to separate some of my servers into small DMZ's where only specific Ports are open.

I'm using a Router on a Stick Topology.



I have 3 Hostsystems(Hypervisors) with Proxmox VE connected to my Switch with a Trunk Port. vLAN 100 and vLAN 200 are connected to my LXC Nodes/Guests (Debian 12).

All Systems are LXC Linux Container.
* 6 Debian Stable Bookworm
* 1...

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