- Subnet vs VLAN: What’s the Difference?
Subnets and virtual local area networks are crucial to making sure networks perform effectively. At first glance, they might seem pretty similar. But don’t be fooled.
- 6 Best Wireless Analyzer Tools in 2019
We rounded up some of the best wireless analyzer tools for 2019 and compared them by category. We take a look at Wireshark, Kismet, Ekahau HeatMapper, Acrylic, Wi-Fi Analyzer Tool, and Channelizer Essential.
- How Much Bandwidth Do You Really Need?
Getting bandwidth right isn’t always straightforward. With multiple standards and a variety of tradeoffs, it can be hard to keep up with best practices.
- Intro to Networking
This is free, open training from CBT Nuggets. The internet is one big network. Learn how data travels across a network, how to control that flow of data, and what to expect as a network specialist.
- Networking Basics: How to Configure Standard ACLs on Cisco Routers
An access control list (ACL) is an ordered list of rules used to filter traffic. Each rule states what’s permitted or what’s denied. Here’s a look at how to configure ACLs on Cisco Routers.
- Networking Basics: How to Configure Policy-Based Routing on Cisco Routers
Policy-based routing (PBR) is a technique used to make routing decisions based on policies set by network administrators. Here’s a look at how it works and how you can configure it on your network(s).
- Networking Basics: Configuring Extended Access Lists on Cisco Routers
Access lists, also known as access control lists, are configured on routers and used to regulate traffic entering and exiting networks. Access lists can be configured for all routed network protocols such as IP. Learn more about them and how to configure them!
- What Types of Jobs Can You Get with a CCNA?
Whether you’ve recently passed the CCNA or thinking about taking it, you’re obviously ready to take on more responsibility. Here’s what those roles typically look like.
- Get Ready for WiFi Version Numbers
Sorting through WiFi specs has always been kind of a pain. You know, 802.11b or 802.11ac. It seems like complete gibberish. Well, no more! WiFi standards now have version numbers to make them easier to identify.
- Networking Basics: How to Configure HSRP with L3 Switching
Hot Standby Router Protocol (HSRP) is an automatic backup system for Cisco systems. Learn how to set up standby groups, configure timers, read an HSRP MAC address, and enable interface tracking and preempt.
- Networking Basics: How Does Frame Relay Work?
Frame relay is a cost-effective way to connect Local Area Networks (LANs) or transport data between endpoints in Wide Area Network (WANs). Learn how frame relays operate and how to configure a Cisco router into a frame relay switch.
- Networking Basics: What is Route Redistribution
Learn about a process that uses routing protocols to help improve accessibility within networks, especially larger networks, in our latest Networking Basics post.
- Networking Basics: What is Border Gateway Protocol?
Border Gateway Protocol (BGP) plays a major role in the control you have over navigating your network connection. Even if you never configure a router, you should understand the ins and outs of BGP.
- Networking Basics: What are the Key OSPF Areas and Different LSA Types?
There’s ways to help your network traffic flow more efficiently. Discover how OSPF areas and LSA types play crucial roles in helping improve network performance.
- 7 Common Network Issues and How to Resolve Them Fast
A smooth-running network turned wonky is never good. You’ll go from hero to goat in no time. So, you can never be too prepared. Here are seven ways to address network issues and save the day.
- Networking Basics: What are Wildcard Masks and How do they Work?
Wildcard Masks sound like something straight out of an action movie. But they actually play a vital role in controlling traffic across networks. Discover what they are, how they work, and why they are so important.
- Networking Basics: How to Configure Spanning Tree Protocol
Spanning Tree Protocol plays a vital role in the performance of networks. As a result, it’s important to understand how this protocol works. Oh, and while you’re at it, you might as well learn how to configure STP as well.
- Networking Basics: What is a Proxy Server
Looking for ways to improve network performance and security? Consider what proxy servers have to offer. In our latest Networking Basics post, we break down the what, how, and why of these versatile servers.
- Networking Basics: What is MPLS?
MPLS (Multi-protocol Label Switching) is a protocol-agnostic routing technique designed to speed up and shape traffic flows across wide area- and service provider- networks. Discover how it works — and why it’s important for you to understand.
- Networking Basics: What's the Difference Between URI, URL, and URN?
If you’re working online or making a living doing networking, you’re bound to come across a set of three acronyms: URI, URL, and URN. We dive deep into the differences between the three in this Networking Basic.
- Networking Basics: What is the OSI Model?
If you’re new to networking, you’ll want to understand the OSI Model. It provides a basic foundation for how different devices and protocols work together — which will come in handy at some point.
- Networking Basics: What are Broadcast Domains?
Broadcast domains play a crucial role in every network. Discover what they are and how they work in our latest Networking Basics post.
- Networking Basics: What is NAT?
Why would we hide private IP addresses behind a single global address? Find out the answer to this and more in the latest edition of our Networking Basics series.
- The Essential Checklist for Network Admin Success
You got your foot in the door as a network administrator — fantastic news! But you might find yourself trying to think of innovative ways to stand out in your first weeks on the job. Here are some ways to keep that hustle alive.
- Networking Basics: What is IPv4 Subnetting?
Sometimes it’s necessary to divide a larger network into smaller ones. Discover how the process of subnetting allows you to do just that in our latest Networking Basics post.
- 7 Ways to Stand Out as a Network Admin
So you want to be a network administrator? That’s awesome. But you don’t want to be a run-of-the-mill NetAdmin, right? Here are ways you can step up your professional game.
- Networking Basics: How IP and Mac Addresses Work
Networking is crucial to the success of just about every organization. Discover what IP and MAC addresses are and why they play such a crucial role in the network.
- Network Battle Royale: Cisco vs. Juniper vs. Check Point
Get ready. We’re putting three networking powerhouses head to head to determine which is the best match for your network security needs. Each has a loyal following and their pros and cons, so the choice is yours.
- How You Can Become a Next-Gen Network Engineer
It’s clear to see that network operations as a whole are in the midst of a digital transformation. Here’s what you need to do to keep up with the changing tides.
- What To Know About Intent-Based Networking
Intent-based networking systems (IBNS) will inspire a major shift in how networks are managed. This model gives network administrators the ability to define their networks and have an automated platform create the desired state and enforce policies. As IBNS grows more mainstreamed, here are things you should know about intent-based networking.
- Network+ N10-007: The Inside Scoop
In this webinar, Keith Barker talks about what’s new with the latest Network+ exam from CompTIA, what’s the same, and how to prepare.
- How to Prepare for the New Network+ Exam
With each new exam version from Network+, CompTIA changes up the objectives to align with recent technologies. These are important changes that keep their exams current and your skills validated. So, you’ll probably need to prepare a little differently for the latest version.
- 3 Benefits of Software-Defined Networking
Software-defined networking centralizes and simplifies control of enterprise network management. The main premise of SDN is to help networks keep pace with a growing speed of change. We discuss some of the key benefits of SDN and why it might be worth thinking about for the future of your organization.
- The Blended Network Environment
Finding a workplace that is exclusively the domain of a single vendor is becoming increasingly rare. We explore the pros and cons of blended networking environments, where products from competing vendors work together to meet the needs of the organization.
- 6 Reasons Why Cisco Networks Rock
Cisco still dominates the industry as the premier networking vendor for enterprise solutions. We explore how Cisco continues to prove its value, as well as why we expect Cisco to carry on crushing the competition.
- Networking Wars: Cisco vs. Juniper
The battle is on. We explore the pros and cons of two industry giants in the world of networking. We compare and contrast Cisco and Juniper in a friendly competition to find out which network comes out on top. Are you a member of the scrappy networking Rebellion or part of the Empire?
- 5 Reasons to Choose Juniper Networks
Juniper has made steady gains on the competition for a while. We take a look at where and why Juniper is a better bet than its competitors and why it’s good for both users and networking professionals.
- Extreme Cabling
To celebrate the release of Jeremy Cioara’s super hands-on IT Expertise: Installing Network Cabling and Devices training course, we collected some real-life cabling tales that will leave you speechless, laughing, and everything else between. Heck, you might even learn something, too!
- Make Your Own Custom Cables
Have you ever found yourself purchasing expensive cables in odd lengths, or spooling extra cable awkwardly on the floor, and thought, there’s got to be a better way…? With a few specific tools and the right information, making your own custom cables is both simple and inexpensive.
- What Makes Networking Difficult?
Protocols, media types, and gateways are components that have been made easier in recent years. But that doesn’t mean networking as a whole isn’t complex. There’s a lack of predictability that still makes networking tough.