Network Basics: What Is SNMP and How Does It Work?

While the SNMP architecture is simple, the data hierarchy the protocol uses can seem complicated if you’re not familiar with it. Fortunately, it’s relatively simple once you understand the philosophy behind it. To provide flexibility and…

Dana OrosJun 29, 2022

Network Basics: Spanning Tree Protocol

For new networkers, Spanning Tree Protocol can be intimidating. But don’t worry! In this easy-to-understand intro, Ethan Banks walks…

Ethan BanksJun 9, 2022
NVDR Report

Network Basics: What Is Link Aggregation & How Does It Work?

Link aggregation is a way of bundling a bunch of individual Ethernet links together so they act like a single logical link. Learn more on…

Kevin DooleyJun 6, 2022

What Else But SNMP?

Most network engineers have a love/hate relationship with the Simple Network Management Protocol (SNMP). Ok, maybe it’s more like…

Destiny BertucciApr 7, 2022

What’s next for the Internet of Things?

IoT devices seem to be ubiquitous, but the truth is we’re not nearly there yet. In fact, IoT Analytics continues to predict steady…

Ryan LaFlammeMar 29, 2022
O’Reilly Report

4 Common VPN Types (And When to Use Them)

Virtual private networks (VPNs) are a straightforward idea. The trick comes in knowing the different VPN types and when to use which.…

Ethan BanksFeb 16, 2022

The Future of Private Addresses: Goodbye NAT, Hello IPv6

So how do we get from IPv4 to IPv6—which we all agree has to happen—when there’s still a raging debate about one of the biggest…

Steve PetryschukNov 9, 2021

What is QUIC? Everything You Need to Know

When I hear QUIC, my immediate reaction is, “The QUICk brown fox jumps over the lazy dog.” That sentence has been ingrained in me…

Steve PetryschukSep 14, 2021

Classful and Classless Addressing Explained

The advantages of classless addressing far outweigh their complexity. But what are they, and how can you tell the difference?

Steve PetryschukJul 27, 2021
Command Center (N-Able)

The What and The Why of TLS Inspection

Let’s look at what the process of a secure connection through TLS entails, how it can be used to see past “invisible traffic” and…

Steve PetryschukMay 25, 2021

SNMPv2 vs. SNMPv3: An SNMP Versions Comparison Table

The most significant difference between SNMP v2 and v3 is the level of security for the user on the network. Let's look at an SNMP versions.

Steve PetryschukMay 19, 2021

What is 802.1X Authentication?

Want to understand network access control, and authentication 802.1X at the base layer? This article goes through all the ins and outs of…

Steve PetryschukApr 27, 2021

What is an ARP Table?

Let's peer under the hood of how ARP tables help us see data similar to the "show arp" or "arp-a" command without having to open a…

Steve PetryschukApr 10, 2021

sFlow vs NetFlow: What’s the Difference?

Two of the most common flow protocols you’ll run into are NetFlow and sFlow, and these are some of the differences between the two to…

Andrés TapiaJul 28, 2020

6 Common Spanning Tree Mistakes and How to Avoid Them

Spanning tree is a Good Thing. It saves you from loops, which will completely shut down your client's network. But it has to be…

Kevin DooleyOct 4, 2016

Setting Up a Redundant Internet Connection With BGP

One of the most critical network links in any organization is the link to the Internet. Here’s how to configure a redundant Internet…

Ethan BanksDec 2, 2014

Networking Basics: OSPF Protocol Explained

OSPF is one of the few network protocols you can count on being available just about anywhere. Learn the principles of OSPF protocol, and…

Ethan BanksNov 4, 2014

Network Basics: What is EIGRP?

There are many different routing protocols to choose from, but folks in a predominantly Cisco network environment often choose Enhanced…

Ethan BanksMay 5, 2014