You should still be able to create multiple switch groups to segment the ports.
Could you provide me a link for an example? I followed up to
this link, but on that page there is only mention of creating bridges (no switches). My understanding after reading the documentation is that it depends on chipset features (that I though the CRS326 doesn't have)
I take note of the other annotations, thanks
I just tested your command and I had to change also the l2mtu value to be able to change the mtu. So the final command is:
/interface ethernet set mtu=9000 l2mtu=9000 [find]