IPv4 VLSM

As usual, the “answers” post only makes sense after reading the “question” post. Use the question as a place to practice and ignore the speed and time pressure, or use it truly as a speed test. [...]

It’s time for the last #CCENT VLSM speed test for a while. Your job: any way you know how, derive the subnet IDs, and the range of addresses in each subnet, and then compare the subnets to [...]

The answer for Overlapping VLSM Subnets Speed Test 2 are below the fold! Here’s a complete list of related posts: Intro to overlapped subnet problems All Overlapped Subnet problems IPv4 [...]

Time for another practice problem to find any overlapping IPv4 subnets. I’ve kicked this one up a notch compared to the previous exercise – this time the list (below the fold) shows IP [...]

It’s subnetting Friday – #CCENT edition. Your job? Look at a set of 5 or 6 subnet/mask combos, and identify which ones overlap, and which ones do not. There may be no overlaps, or there may [...]

#CCENT and #CCNA testing, as well as real-life network engineering, requires that we find configuration and design errors in the network. Problems can occur when the design and configuration of [...]

This post wraps up the answers for VLSM design drill 2. Read the original problem if you didn’t start there, and look at answer, part 1, for the first part of the answer. This post gives the [...]

#CCENT and #CCNA candidates need to be comfortable with VLSM. The previous post gave you a chance to exercise;  today’s post lets you check your answers to the first part of VLSM design [...]

The boss of our #CCNA is at it again today with another VLSM project. The scenario helps you exercise your brain in a VLSM world. As with all the VLSM design drills, you are given an existing [...]

More VLSM work for #CCENT and #CCNA today! Today’s post is simple enough: this post wraps up the answer to the VLSM design drill posted earlier. Dive right in! Here’s the list of [...]