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200-301 V1 Part 3: VLANs, STP

L2 EtherChannel 1

L2 EtherChannel 1

🕔09:05, 19.Jan 2016

#EtherChannel takes a big step towards improving STP. With two links between switches, but without using EtherChannel, each instance of STP could use only one of the links blocking the other link. With a layer 2 EtherChannel, STP treats the

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Answers: Basic VLANs

Answers: Basic VLANs

🕔09:05, 14.Aug 2015

As with all these labs, the answer is straightforward. In this case, you need to add a couple of global commands and some commands per interface. But try the lab yourself first before looking here! The answers sit below the

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Basic VLANs

Basic VLANs

🕔09:05, 12.Aug 2015

Configuring VLANs on access switches may be the most common repetitive configuration task in many networks. So what do you configure when adding new access devices to new VLANs? This lab gives you a chance to remember and exercise those

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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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STP Vs. RSTP – Answer 4

STP Vs. RSTP – Answer 4

🕔09:05, 19.Jul 2014

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 the reasons why each answer is either

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STP Vs. RSTP – Question 4

STP Vs. RSTP – Question 4

🕔09:05, 14.Jul 2014

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 questions (with 24 different

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STP Vs. RSTP – Answer 3

STP Vs. RSTP – Answer 3

🕔09:04, 14.Jul 2014

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 this answer. As usual, the answer post gives the answers,

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