CCENT Lab 2, Answers Part 1: IP Config
Today’s post gets the most basic part of the lab out of the way: the IP addressing and RIP-2 configuration. The lab problem statement tells you the interfaces, IP addresses, and masks, so the IP...
View ArticleCCENT Lab 2, Answers Part 2: Route Prediction
Today’s post is really an attempt to get you to think about how RIP-2 works in the context of the lab exercise I started last week. To predict the contents of the IP routing table, you have to think...
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CCENT Lab 2, Answers Part 3: Route Prediction
Today’s post wraps up CCENT Lab 2. I’ll likely extend this lab as lab number 3 as time goes on, because it sets up a nice discussion of auto-summary and maximum-paths. But as promised, today’s post...
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CCENT Lab 3: Troubleshooting Skills Through Config Prediction
Today’s post begins a new CCENT lab, but with a very specific goal: to build troubleshooting skills for the exam. A little later, I may take the time to do a whole post just on the theory behind why I...
View ArticleLab 3, Post 2: Initial Routing Tables and Auto-summary
If you can’t predict what should be in the routing tables when you know the topology and the config (as shown in lab 3 post 1), then you’re not going to be able to predict the config based on the...
View ArticleLab 3, Post 3: Three Tasks for You
Post 1 and Post 2 in this lab essentially set us up for today’s post. Today’s post gives you three big tasks, each of which assumes the same topology, IP addresses, and routing protocol (RIP-2) shown...
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Lab 3, Post 4: Analysis, Task 1
This is post 4 so far in this lab. Check out the first three posts (post 1, post 2, and post 3) for the proper background. Today’s post: some analysis of major task 1, in which you predict why the...
View ArticleLab 3, Post 5: More Analysis, Task 2
This is post 5I’ll list links to the first four posts after the fold. Today’s post: I’ll wrap up the analysis of task 1, specifically chasing many of the route advertisements so reverse engineer...
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Lab 3, Post 6: Analysis Task 2
Today we’ll move on to the 2nd major task for this lab. As with Task 1, we’ll start with a look at the connected routes, and then chase a few subnets around the topology to find out if the routers...
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Lab 3, Post 7: Analysis Task 3
Today we’ll wrap up this lab (hoorah!) with a discussion of the last major task for this lab. As with tasks 1 and 2, this lab task starts with an initial config as stated back in the 3rd post for this...
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