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Don't use a native VLAN with OPNsense/FreeBSD if possible. Run all interfaces tagged.

thanks for the suggestion, i gave that a shot but still breaks :(

i use two interfaces

Port 1 = WAN
Port 2 = MGMT (native vlan 40)
Port 2 = DATA (tagged vlan 20)
Port 2 = IOT (tagged vlan 60)

here is a rough network map of my network



let me know what other info you are looking for and i can provide it

doesnt matter if i am on wifi or ethernet the same thing happens.
also doesnt matter which switch/ap i am connected to

This could be an asymmetric routing issue. Maybe your VLANs are not fully isolated outside OPNsense.

Do you see any related blocks in the firewall log?
Ensure, "Default block" is checked in Firewall: Settings: Advanced.

turns out i do.
the green line is when i ssh to the server.
then i get dropped packets when ssh drops out.
i tryed changing the firewall optimisation to conservative but it still drops out. it just takes longer to drop out.
i also tryed changing "bypass firewall rules for traffic on the same interface" seen as all the vlan's are coming off one physical network port but still drops out.

Hey ppl,

i seem to be having an odd issue that i am banging my head against the wall trying to resolve.
i have 3 vlans setup on opnsense 20,40,60 when i try to ssh/https/ftp from vlan 20 to vlan 40 my ssh/https/ftp sessions will drop out.
there is no issues with ping or traceroute
if i talk to something on the same vlan (aka dont hit the fw) everything is fine.
I'm guessing there is a setting or something im missing on opnsense.
any ideas or suggestions on things to try would be great.

thanks in advance.