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 ...

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 ...

Take advantage of TCP/IP options to optimize data transmission Your email has been sent By Alex Kuznetsov, Alex Plant, and Alexander Tormasov Last time, we explained how the TCP_CORK option can ...

LOS ANGELES—This is the second installment of a contribution from Jim DeFilippis on SDI versus IP. For Part 1, see “Which Switch is Which?” The second tale-of-the-tape issue is delay or latency. There ...

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 ...