We received this question from a student at a recent Profinet One-Day Training Class. I found it particularly prescient given the latest discussions going on around Industry 4.0. The question is ...

The purpose of this policy is to establish standards for management of network access and communications. This policy applies to all information technology systems that are connected to and use the ...

Routing is the process of determining where to send data packets that are destined for addresses outside the local network. Routers gather and maintain routing information to enable the transmission ...

Getting a handle on the invisible part of your network—the protocols that are in use—can be of enormous value in helping you detect problems. So far, we've talked about the tangibles of your ...

Learning about network protocols is one of the challenges facing any video professional moving into the realm of computer networks. Protocols are formalized agreements about how different vendors will ...

This excerpt is from CCIE Voice Exam Quick Reference Sheets (Digital Short Cut), by Mark Lewis and published by Cisco Press. ISBN-10: 1-58705-333-0 Read Mark Lewis’ blog for Cisco Subnet here. More ...

Chances are you’ve heard about network protocol in the past but likely have little idea of what it is all about. For sure right now, we can say that there are different types of network protocols ...

I recently started using a network tool called Ethereal. For those familiar with tcpdump, think of Ethereal as a GUI form of tcpdump that shows you the whole packet and can break down the packet to ...

A network protocol that encapsulates packets at a peer level or below. It is used to transport multiple protocols over a common network as well as provide the vehicle for encrypted virtual private ...