Home
spanning-tree

spanning-tree

STP: Protection Features

By JMCristobal
March 25, 2021
Enterprise Infrastructure
Root Guard The Root Guard feature was developed as a means to control when a candidate root bridge switch connects to the network. It records the bridge ID ...
Read more 0

STP: Optimization methods

By JMCristobal
March 22, 2021
Enterprise Infrastructure
Some additional methods allow faster STP convergence if a link failure occurs. Portfast Allows fast connectivity on ports by immediately switching to the Forwarding state without going through ...
Read more 0

STP: PVST+ configuration

By JMCristobal
March 15, 2021
Enterprise Infrastructure
PVST+ (Peer-VLAN Spanning-Tree) First of all, let’s remember: Common spanning-Tree (CST) only handles one instance of STP on switches, based on 802.1Q trunks, by default over vlan 1 ...
Read more 0

STP – Timers, Port Roles and States

By JMCristobal
March 11, 2021
Enterprise Infrastructure
Choosing root ports Once the root bridge is chosen, a Root Port must be chosen for each switch, which is not the root bridge. The root port always ...
Read more 0

STP Overview

By JMCristobal
March 8, 2021
Enterprise Infrastructure
Spanning-Tree Protocol can exist between two devices (switches). Multiple active paths between devices cause loops in the network. STP is a layer 2 link management protocol that provides ...
Read more 0

Macro switchport host – Cisco IOS

By JMCristobal
July 6, 2017
Enterprise Infrastructure
A few days ago, when I was configuring the ports of a switch and reviewing the operation of STP, I found in the CLI the command “switchport host”, ...
Read more 0

About this Website

This website is free and educational. Contains my thoughts and ideas, which may not represent the thoughts of the various technologies mentioned here. All product names, logos, and illustrations are copyright/trademarks of their respective owners.
en_US
es_ES en_US