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STP Puzzle #1, Answer Part 3

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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STP Puzzle #1, Answer Part 2

STP Puzzle #1, Answer Part 2

🕔13:03, 5.Dec 2011

This post looks again at STP Puzzle #1. As usual, check out the original post to make sense of this one. Part 1 of the answer determined that switch S4 is the root in this puzzle. This post walks through

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STP Puzzle #1, Answer Part 1

STP Puzzle #1, Answer Part 1

🕔14:05, 2.Dec 2011

This post starts to answer STP Puzzle #1. As usual, check out the original post to make sense of this one. These puzzles give you some info about Spanning Tree Protocol (STP) in a particular network. Your job: figure out

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STP Puzzle #1

STP Puzzle #1

🕔11:29, 29.Nov 2011

This blog post is the first of what may be a whole new type. You can read all day about Spanning Tree Protocol (STP), and learn the theory, but that’s not enough. When you later try to apply STP concepts

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Auto-summary Essentials + an Example

Auto-summary Essentials + an Example

🕔13:00, 12.Nov 2011

Today’s post is a ramble on the [no] auto-summary command. Think you know it? The proof of the pudding: give me one sentence that specifically states on what routers you need to consider the auto-summary setting, and characterize what happens

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An auto-summary exercise

An auto-summary exercise

🕔09:16, 9.Nov 2011

I just wrapped a Config Museum lab over in the CCENT Skills blog, but it happened to bring up a nice CCENT topic: auto-summary. Many people struggle with the concept. So I figured I’d use that lab as a backdrop

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Config Museum: IPv6 Static Routes

Config Museum: IPv6 Static Routes

🕔07:00, 5.Nov 2011

This blog post begins with a router triangle, IPv6 addresses, and working interfaces. All routers can ping their own IPv6 addresses, but the routers only know their own IPv6 connected routes. Your job: Add static IPv6 routes for the LAN

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Answer, Config Museum Lab: IPv6 Addressing

Answer, Config Museum Lab: IPv6 Addressing

🕔08:49, 2.Nov 2011

This blog post simply lists the answers to the earlier lab exercise from a few days ago. This post makes no sense without the first one, so don’t look until you read the other post. No guile, no tricks, just

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Config Museum: IPv6 Addressing

Config Museum: IPv6 Addressing

🕔07:00, 29.Oct 2011

This blog post creates one of what may be many posts in a concept called the Config Museum. Years from now, this concept may really be a museum of configuration exercises and answers. But just like a museum holds lots

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Done with the Re-org – Check out the How to Use Page

🕔11:30, 19.Oct 2011

Folks, I’m done re-organizing this blog. You’ll see five drop down menus at the top now: two based on the books, and three based on the type of blog post. I made a “how to use” page as well that

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