mauzzz wrote The smart switch is connected to a unmanaged switch (other floor) which has one single uplink cable to the router. So only one router LAN port is connected. All VLANs pass through that...

Ok. Tell me how you have the switch connected to the router? Do you have 2 connections going to the router? One connection for VLAN1 and one for VLAN9? I am not familiar with the Tomato interface but...

The switch port that you are using to uplink to the router... that port needs to be a Tagged member of every VLAN you want to pass to the router. How many VLAN's are passing through the uplink port...

You have several problems going on here. It may be easier for me to tell you how I would set it up and let you ask questions rather than me trying to explain where all the problems are in this...

How are you utilizing your router? In other words are you using a different port on the router for each VLAN or are you using one port for multiple VLAN's? If you are using separate ports on the...

As there are many reasons to set up VLANs and many things you can do with VLAN's it would help tremendously if you could explain what you are trying to accomplish and then what you tried to do to...