Wendell's CCENT Skills Blog

This post makes no sense without reading this post first. The earlier post lists 5 subnetting problems, and tells you to time yourself. The answers are below the fold in this post. Don’t look til you try it for yourself! Post questions if you have them.

This post makes no sense without reading this post first. The earlier post lists 5 subnetting problems, and tells you to time yourself. The answers are below the fold in this post. Don’t look til you try it for yourself! Post questions if you have them.

Today I’ll wrap up this long explanation of what happens to packets sent to a subnet broadcast address. Also, note that while I’ve put this in my CCENT blog, the detail in the explanations goes beyond the exam, in my opinion, particularly the part related to Cisco’s “no ip directed-broadcast” command. The rest is below [...]

In this post I’ll start diving into an answer for that latest question about what happens when a host does a tracert command for a subnet broadcast address. You’ll need to check out the question first before most of this post will make sense. Ask questions if you like! Note that reading this post will [...]

Here’s a new question that makes you think about LAN broadcasts. I made this one up because of a post on the Cisco Learning Network about whether routers always choose to not forward broadcasts, or not. Traditionally, routers have been called “broadcast firewalls” because they stop broadcasts, which switches do not. However, when is a [...]