ABOUT THE AUTHOR

Adam Kułagowski

Principal Network Engineer

Adam is a seasoned Principal Network Engineer with nearly two decades of experience in the realm of networking. Passionate about the intricacies of data transmission, he constantly strives to optimize network performance, pushing the boundaries of speed and efficiency. With a strong foundation in networking protocols and architectures, Adam has earned a reputation as a true expert in his field. His extensive knowledge and hands-on experience allow him to design, implement, and manage complex network infrastructures for a diverse range of organizations, from startups to multinational enterprises.

Adam Kułagowski

CONNECT WITH ADAM KUŁAGOWSKI

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Recent posts by Adam:

Thumbnail of an article about Packet dropping method: Iptables vs. alternatives in Linux
NETWORKS

Packet dropping method: Iptables vs. alternatives in Linux

Have you ever wondered about alternatives to iptables for dropping packets in Linux OS? Well, there are a few methods to do this. In this blog post we want to share them with you.
Adam Kułagowski

Adam Kułagowski

Thumbnail of an article about A Linux debugging and observation tools overview
NETWORKS

A Linux debugging and observation tools overview

Effective debugging and monitoring are crucial for performance optimization and troubleshooting in Linux systems. This guide dives into an array of essential tools that will improve your observation and debugging capabilities.
Adam Kułagowski

Adam Kułagowski

Thumbnail of an article about Latest addition to network testing and simulation: Containerlab
NETWORKS

Latest addition to network testing and simulation: Containerlab

Until recently all existing virtual lab solutions were based on vendor appliances provided as virtual machines. Such an approach allowed us to emulate closely the real HW (some of those appliances had virtualized data planes as well - e.g. vEX, vMX). However this is not always the desired case.
Adam Kułagowski

Adam Kułagowski

Thumbnail of an article about Virtual Labs: running network topology on a plain laptop
NETWORKS

Virtual Labs: running network topology on a plain laptop

For a very long time whenever someone wanted to create a network playground, they had to use physical equipment. Although such an approach had some pros, they were quickly outweighed by the cons, such as: price of equipment, manual cabling required to set up the environment, noise, power consumption - the list is long.
Adam Kułagowski

Adam Kułagowski

Thumbnail of an article about Linux network features from an ISP point of view
NETWORKS

Linux network features from an ISP point of view

Discover Linux network features from an ISP point of view. Learn about data plane features, control plane features, ISP services and more.
Multiple authors

Multiple authors

Thumbnail of an article about Linux as a network device
NETWORKS

Linux as a network device

Using Linux as a network device can result in many benefits. Find out what network devices are and why it’s a good idea to use Linux as one. This is actually not an easy question to answer. In general, one can say that a network device is a piece of equipment whose main role is to forward packets or perform actions on them. While packet forwarding seems easy to understand, the actions that a packet can be a subject to differ between device types. For example, a router will (usually) route an IP packet based on a (OSI model) layer 3 header, a switch will use layer 2 for that, and a firewall can dig deeper into the packet payload.
Multiple authors

Multiple authors

Thumbnail of an article about The modern, interoperable DC — Part 3: Seamless and secure connectivity for edge computing and hybrid clouds
NETWORKS

The modern, interoperable DC — Part 3: Seamless and secure connectivity for edge computing and hybrid clouds (video)

In the third part of our “Modern DC” webinar series we focus on connectivity with resources located beyond the local data center, somewhere in the Internet. This includes extending Layer 2 and Layer 3 tunnels to public clouds (such as AWS, Azure and GCP), branch offices, Edge Computing servers and IoT devices based on single-board computers.
Multiple authors

Multiple authors

Thumbnail of an article about The modern, interoperable DC — Part 2: EVPN as a universal solution for VM, container and BMS networking
NETWORKS

The modern, interoperable DC — Part 2: EVPN as a universal solution for VM, container and BMS networking (video)

This video is a part of our series The modern, interoperable DC, which walks you through connectivity between different types of resources.
Multiple authors

Multiple authors

Thumbnail of an article about The modern, interoperable DC — Part 1: Solving "last mile" problems with BGP (video)
NETWORKS

The modern, interoperable DC — Part 1: Solving "last mile" problems with BGP (video)

This video is a part of our webinar series The modern, interoperable DC, which walks you through connectivity challenges between different types of resources.
Multiple authors

Multiple authors

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