@Mitya Nope, VLAN works at Layer 2 of OSI model, meaning no subnet involved. Its goal is to split a physical switch to multiple logical switches, each with its own broadcast domain. Then we can...

First of all, I already know there are 2 types of VLAN: Port based VLAN Tag based VLAN (aka IEEE 802.1q) The TL-R480T+ manual states that its switch uses port VLAN - I am fine with that. It does...

By going to Network → WAN → WAN1, there is 2 options that allow me to control bandwidth of that port: Upstream Bandwidth (100mbps by default) Downstream Bandwidth (100mbps by default) Changing their...