A network router plays a crucial role in how data packets travel to and from a computer to host across the Internet. Routers serve as the junction point between the computers in a network and an ...

At trade shows, I occasionally walk into a booth and discover a product I really want to understand and appreciate. I am especially interested in how the traffic it sends or receives affects the ...

Streamlining data transmission is a critical challenge for any enterprise. Thankfully, the TCP/IP protocol provides many ways to optimize data transfer. This article examines several options and shows ...

I have this scenario where the MAC address table in my switch ages out MAC addresses of devices that it hasn't heard from after 5 minutes. I could extend this time, but the scenario also requires that ...

I'd like to have complete control over the ethernet header and anything else I may care to add (ARP, IP, etc information) to a packet, and then send them. I just did it in C++ using WinPcap, but if ...

Network geeks among you may remember my article, “Linux Socket Filter: Sniffing Bytes over the Network”, in the June 2001 issue of LJ, regarding the use of the packet filter built inside the Linux ...

When discussing Ethernet data, the terms frame and packet are often used interchangeably. Frames and packets are the electronic containers that carry our data from point-to-point by navigating LANs ...