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Tag "VLAN"

Troubleshooting Layer 2 Switching: Answers

Troubleshooting Layer 2 Switching: Answers

🕔12:05, 9.Mar 2017

Can you think abstractly about how layer 2 switching works, and how VLANs and trunks impact their forwarding decisions? Or do you need to see the specific configurations to make sense of it? This latest practice question pulls in a

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Troubleshooting Layer 2 Switching

Troubleshooting Layer 2 Switching

🕔12:05, 7.Mar 2017

Layer 2 switching seems easy – but then you must think through how it works in a real network. Applying the ideas proves whether you really understood the concepts or not. This next question gives you that kind of practice

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Answer to Question: Destination MAC Only?

Answer to Question: Destination MAC Only?

🕔12:05, 14.Dec 2016

The previous post posed a question that appeared straightforward – but one that set up a couple of the more common mistakes that people make with the subject of Layer 2 frame forwarding.  The goal was twofold: yet another practice

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Switch Forwarding Question: Destination MAC Only?

Switch Forwarding Question: Destination MAC Only?

🕔12:05, 13.Dec 2016

How does a Layer 2 switch choose where to send a frame? Does it think about more than the destination MAC address? One of the common mistakes videos in the new “CCENT ICND1 100-105 Exam Prep LiveLessons” product talks about

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Answers: Trunking Puzzle 1

Answers: Trunking Puzzle 1

🕔09:05, 8.Apr 2016

Lots of switch trunks, lots of different requirements, resulting in a variety of configuration combinations. Can you remember all the trunking config options without having to look up commands or using CLI help? Check out the lab first as always,

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Trunking Puzzle 1

Trunking Puzzle 1

🕔09:05, 6.Apr 2016

You can memorize VLAN trunking commands by staring at a table – but you will remember them much better if you try different combinations in sample labs, and especially if you try them from the CLI of some gear or

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Answers: VLAN Basics 3

Answers: VLAN Basics 3

🕔12:05, 19.Mar 2016

Today’s lab may be simple – but that is part of the point. All these short labs should be automatic by the time you finish your final CCENT and or CCNA exam prep. Check out the lab requirements here, write

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VLAN Basics 3

VLAN Basics 3

🕔09:05, 17.Mar 2016

Short and sweet – how do you create new VLANs and put a couple of ports in each? Today’s lab should be an easy and automatic process before you go take the ICND1, ICND2, or CCNA R&S exams, but getting

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