Jun 16, 2022 · Root Bridge - The root bridge is the bridge with the lowest Bridge ID. All the decisions like which ports are the root ports (the port with the best path to the root bridge) are made from the …

This lesson explains how to configure the spanning-tree root bridge on Cisco IOS using root primary/secondary or priority.

Dec 15, 2025 · This tutorial explains the STP root bridge election process. Learn how to manipulate the STP root bridge election process.

The root bridge is the point of reference of the L2 topology, from this switch you start building the Tree that leads you to a logical L2 topology without loops.

6 days ago · In this article analysed the Spanning Tree Protocol Bridge ID structure and its importance. We also explained how the Bridge Priority and System ID Extension fields play a primary role in the …

May 21, 2025 · The Root Bridge is central to the Spanning Tree Protocol (STP), preventing Layer 2 network loops. It serves as the main switch in an STP topology, with other switches calculating the …

The STP algorithm starts by electing a Root Bridge—the switch that will be the root of the loop-free tree, as shown in the diagram above. As with any other network protocol, the switches exchange …

Mar 22, 2023 · STP (Spanning Tree Protocol) is an important topic for network engineers to understand and for the CCNA. This post represents Part 1 of 3 of STP study notes for the CCNA. This lesson, …

STP is a network protocol designed to prevent switching loops by selectively disabling redundant links, creating a loop-free network topology. At the heart of this process lies the root bridge election, a …

Oct 3, 2023 · The first step in creating the loop-free spanning tree is to elect a root bridge. The root bridge is the reference point that all switches use to establish forwarding paths that will avoid loops in …