Every Linux enthusiast or administrator, at some point, encounters the need to configure or troubleshoot network settings. While the process can appear intimidating, with the right knowledge and tools ...

We have now met the archenemy of networks, Mr. Murphy, as he cackles “What can go wrong, will,” in the introduction to failure modes and the discussion of failure modes at the physical and data link ...

Routers (and Layer 3 switches) perform table lookups determining the next hop (next router or Layer 3 switch) along the route, which in turn determines the output port over which to forward the packet ...

This course introduces students to the fundamentals of computer networking, the OSI stack, and the practical and conceptual skills needed to build simple local area networks, perform basic device ...

NETLINK is a facility in the Linux operating system for user-space applications to communicate with the kernel. NETLINK is an extension of the standard socket implementation. Using NETLINK, an ...

If you have anything to do with networked AV and you're not well-versed in the OSI model, we've got you covered. You will learn the fundamental ideas around getting data from host A to host B over a ...

Where are we today with routing security, particularly for our research and higher education networks? How can we connect with resources that will not only inform but also help us proactively keep our ...

Joel is an internationally recognized expert in the areas of security, networking and messaging. Follow him on X (formerly Twitter) @joelsnyder. Building enterprise networks with routers and switches ...

Modern networks are critical for any enterprise. Networks deliver business applications, multimedia messages and key data to end users around the world. A fundamental element that networks have in ...