What is Per VLAN spanning tree (PVST) and why do we use it?  Per VLAN spanning tree is a Cisco proprietary protocol that works with classic and rapid spanning tree…

Imagine you are an entrepreneur and that you own a large office building with several routers. Because of various factors like an expanding need for space, clientele, or employees, you…

Coming soon So, we looked into standard ACL's that specify permission or denial of access to network resources according to IP addresses.  What exactly is an extended ACL?  Well, it's…

The next topic I will be discussing is standard ACLs or Access Control Lists. What exactly is an ACL and what is it used for? In this lab I will…

We will now examine SSH or Secure Shell, a protocol designed for remote access to network devices. The concept of SSH is simple, but I found SSH configuration confusing at…

I want to go to YouTube.com to watch cool videos, but how do I do that? I would open an internet browser on a laptop or PC, navigate to the…

Finding the Shortest Path Suppose you are located in a particular city and trying to choose the shortest and easiest path to a different city. You want to map out…

What is OSPF? OSPF is a widely used dynamic routing protocol among many companies today. Unlike with static routing, dynamic routing protocols aren't dependent on human input to calculate and…

In this lab, I decided to create the most basic network I could think of.  I plan to build off of this particular topology for a few more labs in…

This Lab was quite a challenge.  I wanted to demonstrate my understanding of VLAN connectivity not just between hosts, but also between routers. Virtual local area networks (VLANs) logically divide…