This guide outlines the steps to set up a Linux bridge device connected to a physical Ethernet interface with a specific VLAN tag. In this article the VLAN tag will be assumed as 170 but it can be any valid VLAN tag/id. In the world of networking, a Linux bridge device is a powerful tool that acts as a virtual switch, connecting different network segments seamlessly. It operates at the data link layer (Layer 2) of the OSI model, forwarding traffic between connected interfaces based on their MAC addresses.