A software interface between the transport protocol (layers 3 and 4) and the data link protocol (layers 1 and 2) in the protocol stack. The interface provides a protocol manager that accepts requests ...

Hands-on with the Pktmon network monitor Compared to a network monitor with a graphical user interface, the command-line interface of Pktmon takes a bit more time to get used to it. Before you can ...

Erik Eckel explains how to use three common commands to find networking issues and troubleshoot them. The Mac’s Systems Preferences Network applet enables configuring network settings, while the ...

A MAC Address or Media Access Control Address is a unique identifier assigned to every Network Interface Card. In this post, we will see what is MAC Address and how do you change a MAC Address in ...

The phrase "sniff the network" may conjure Orwellian visions of a Big Brother network administrator reading people's private email messages. Before anyone uses Wireshark, an organization should ensure ...

Network bottlenecks and downtime can ruin an IT manager’s day. The right arsenal of skills and tools can help you identify and fix the issue quickly. Here are some basic techniques and tools to help ...