Many companies are upgrading their wireless networks to 802.11n for better throughput, reach, and reliability, but getting a handle on your wireless LAN's (WLAN's) performance is important to ensure ...

Our business is connected to various outside facilities across town via fiber. We lease the fiber, and have Cisco ASA (or PIX) firewalls on each end with a VPN tunnel connecting our private networks.

iperf3 is a network throughput tool used to measure the performance of the network your Mac is using. Here's how to use it in the macOS Terminal app. iperf is a UNIX memory, network throughput, and ...

Scott Reeves demonstrates the use of iperf, which provides basic information on throughput, packet loss, and jitter to help you troubleshoot UDP and TCP issues. There are a few tools available to ...

When my internet starts crawling, I don't just restart my router and hope for the best. I grab these three network diagnostic tools and systematically work through my network to find the real culprit.

As virtualized infrastructures get more complicated, sometimes you need a way to troubleshoot things quickly, in simple terms above the infrastructure. One of the areas I've looked closely at is ...

I've just switched my NAS from freeNAS to Ubuntu 14.04. I noticed that some file transfers were going slower than they should, so I started investigating. I think I've ruled out the hard disks as the ...

The final part of this three-part series shows you not only how to disable the firewall using netcat and iperf, but how to test Apposite's new virtual WAN emulator. This is the third and final article ...