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200-301 V1 Ch09: Spanning Tree

Answers to a Root Question with No Direct Link to the Root

Answers to a Root Question with No Direct Link to the Root

🕔09:05, 2.Aug 2015

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 triangle. To solve this question, just use the

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An STP Root Question with No Direct Link to the Root

An STP Root Question with No Direct Link to the Root

🕔09:05, 30.Jul 2015

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 question is meant for

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Answer to an Earlier STP Question

Answer to an Earlier STP Question

🕔08:05, 21.Jul 2015

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 costs except the root switch’s ports’

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Question: STP and Choosing a Root Port

Question: STP and Choosing a Root Port

🕔07:05, 17.Jul 2015

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 this question exactly like an exam question,

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#CCNA Fast Start: a Spanning Tree Question

#CCNA Fast Start: a Spanning Tree Question

🕔09:51, 26.Jul 2013

STP questions on the #CCNA exam require that you practice the rules for choosing the root switch, root port, and designated ports. If oyu ignore some of those pesky tiebreakers, the rules can be pretty straightforward. Often times, people understand

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#CCNA Fast Start: Spanning Tree

#CCNA Fast Start: Spanning Tree

🕔11:00, 24.Jul 2013

Although most everyone has moved their #CCENT and #CCNA study to the new exams by now, I’m still working on a few more topics and questions for this Fast Start series. Today’s post on Spanning Tree Protocol (#STP) starts another

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STP Puzzle #2 – Answer

STP Puzzle #2 – Answer

🕔18:03, 13.Dec 2011

If you didn’t see the puzzle problem statement, then the answers won’t make as much sense. Especially for this one, the new post this week that gives some suggestions on how to attack these STP puzzles can help. The realization

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STP Puzzle Overview

STP Puzzle Overview

🕔19:59, 12.Dec 2011

I’ve named a new type of blog post: an STP Puzzle. The big idea is pretty simple. The problem tells you some (but not all) facts about Spanning Tree Protocol (STP) in a small switched network. Your job: determine as

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STP Puzzle #2

STP Puzzle #2

🕔13:12, 9.Dec 2011

Here’s the 2nd STP Puzzle. As with most of these drill-style practice problems, take a look at the problem statement, and work it out. No need to rush on this one – just get it right. These STP puzzles give

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STP Puzzle #1, Answer Part 3

STP Puzzle #1, Answer Part 3

🕔11:17, 6.Dec 2011

This post wraps up the discussion of STP Puzzle #1 with a brief look at finding the designated ports (DPs) on each link between switches. As usual, check out the original post to make sense of this one. Note that

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