As with all the blog posts in this series, this post helps you with working through how to perform the examples in the CCNA 200-301 Cert Guides (Volumes 1 and 2) using Cisco’s Packet Tracer [...]

Of all #CCNA topics in the ICND2 half of CCNA, Spanning Tree Protocol (STP) looms with more intimidation than most. As for Mastering STP verification, the process begins with mastering the show [...]

To analyze Spanning Tree for #CCNA, you need to think about the root switch, then the root ports on the non-root switches, and then designated ports. That analysis usually begins with the show [...]

This post answers the Spanning Tree question linked here. If you want to noodle the question a little longer, check out the answer to a similar question that showed three switches in a [...]

Here’s another Spanning Tree question, one that creates a topology in which one switch does not have a direct link to the root. What happens in this case? Note that as with this similar question, [...]

This post answers the Spanning Tree question linked here. The short answer is that there are lots of right answers! What could impact the choice of root port in a triangle topology? All port [...]

Here’s a new CCNA-level question to consider, this time on Spanning Tree Protocol. Before diving in, be warned, it’s meant for study prep, not for assessment. That is, I’m not attempting to make [...]

Today’s question once again gets specific about RSTP logic instead of STP. Look back to the original question first before looking at this answer. As usual, the answer post gives the answers, and [...]

This will be the last one of these STP vs. RSTP questions for a while, unless I hear a clamoring for more! This next question follows the same format. One secondary goal of giving you several [...]

Today’s question and answers actually exercise more STP logic than RSTP, with the RSTP materials basically reviewing terms and features. Look back to the original question first before looking at [...]