Auvik Blog

Read about the latest trends in network management and beyond

Network Management

How to Adjust TCP Window Size to Improve Network Performance

Seeing poor network performance but with link utilization well below 100%? You might have an issue with your TCP window size. Here’s how to fix it.

Network Management

Special IP Address Ranges and When to Use Them

There are several special IP address ranges that have specific purposes. Network engineer Kevin Dooley explains what they are & the purpose they serve.

Protocols & Communication

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.

Protocols & Communication

6 Common Spanning Tree Mistakes and How to Avoid Them

Spanning trees save you from loops, which will completely shut down your client’s network. But it has to be configured properly.

Protocols & Communication

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 here.

Protocols & Communication

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

Simple Network Management Protocol (SNMP) is a framework used to identify devices and monitor performance within a shared network. Review the basics.

Configuration & Troubleshooting

How to Configure Syslog on a Cisco Device

Every modern network device has at least some syslog capabilities. Learn all you need to know about how to configure syslog on Cisco devices here.

Protocols & Communication

What is QUIC? Everything You Need to Know

We’re diving into what the QUIC protocol is, how it works and how it’s used, and how it’s going to impact web traffic in the future.

Devices

Layer 2 vs Layer 3 Network Switches: What’s the Difference?

What’s the difference between Layer 2 and Layer 3 network switches and how critical are they to a properly functioning network?

Network Management

What is a Subnet Mask? Examples, Uses and Benefits

Learn about subnet masks in our guide. Includes fundamentals of IPv4 and IPv6 subnetting, plus an overview of tools you really need.

Network Management

How to Find IP Addresses on a Network and Monitor their Usage

If you’re looking for a specific IP address, the simplest way to discover that device is to use the ICMP ping command. Typing in “ping ” with the address you…

Protocols & Communication

Classful and Classless Addressing Explained

Of course, as anyone who has studied for a networking certification can tell you, there is a significant complexity increase between classful and classless…

Network Management

Subnetting: What it is and How it Works

You don’t need that subnet calculator! Not when you have this handy guide to subnetting using both mask and CIDR notation.

Network Management

What IS CIDR? Everything You Need to Know About This IP Addressing Method

CIDR revolutionized IP address allocation via customizable subnet masks instead of wasted fixed blocks. Learn CIDR’s capabilities for efficient addressing.

Network Management

Networking Basics: OSPF Protocol Explained

OSPF is one of the few protocols you can count on being available just about anywhere. Explore principles, interfaces and more in this intro guide.

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