Emily Long is a freelance writer based in Salt Lake City. After graduating from Duke University, she spent several years reporting on the federal workforce for Government Executive, a publication of ...

Nortel recently announced a couple of stand-alone Layer 2 Ethernet switches for small and midsized businesses. The BayStack 325 switches each have 24 ports of 10/100M bit/sec copper-based Ethernet in ...

When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works. A networking topology choice that is easily misunderstood. There are many questions that come to ...

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 ...

Network technologies have come and gone, but the Ethernet switch has survived and continues to evolve, currently making its move to 40G and 100G. Here’s a roundup of our latest and most evergreen ...

The Cisco Catalyst 9500 Series switches are enterprise-class core and aggregation layer switches, supporting full programmability and serviceability. Based on an x86 CPU, the Cisco Catalyst 9500 ...

Getting started on designing a network is a task of formidable proportions, but all the more so if you are looking to build a secure IT network. Often, IT system administrators are not fully familiar ...

I'm dealing with layer 3 switching for the first time, as part of moving into a new office. A larger organization has given us some space in their building and is giving us access to their corporate ...

When integrating a network stack into a new hardware platform and possibly a new operating system, performance is typically a critical design goal. When attempting to optimize network performance, it ...

Layers 7 through 4 are geared more to the application than the lower layers, which are designed to move packets from one place to another no matter what they contain. This top layer defines the ...