Subnetting is used to divide a classful address space into smaller blocks to ease network management. A college is using the 10.0.0.0 classful private address space. They want to separate buildings, ...

Are two routers enough for practicing CCNA skills in your home lab? Maybe, maybe not. But you can practice a surprising number of CCNA-level router tasks with a two-router lab using the topology ...

Whether you need an IP subnetting cheat sheet or you're preparing for a Cisco Certified Network Associate, or CCNA, exam, this article shows you how to calculate a subnet mask, break down IP address ...

Now that you understand the host's formula, you should also know the subnet's formula, which will help you make sure you have the right subnet mask for the number of subnets that you have. Just ...

Thinking about going for your CCNA (Cisco Certified Network Associate)? If so, there are certain skills and knowledge sets you will want to have before you even step into the class. Join Jack Wallen, ...

In this next episode of NetworkChuck’s you SUCK at Subnetting course, we dive a bit deeper into how RFC1918 and NAT saved the internet from crumbling due to IP address exhaustion. So don’t miss out as ...

CCNA 200-301: The 12-Week Roadmap, Compressed Into What Actually Matters Why the CCNA still opens doors The CCNA 200-301 remains the most recognized entry-to-intermediate networking certification in t ...