Getting a grip on network performance numbers is one of the most difficult tasks for network managers. Unlike many information technology statistics such as disk space utilization and available memory ...

In my last column I showed you how adjusting TCP window size settings can dramatically affect network throughput. In this column I'll show you how to download and install the free Iperf network ...

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 have two sites connected via an IPsec VPN tunnel over cable internet connections. Site A had 100/7 available for bandwidth. Site B had 150/25 available bandwidth. An iperf site A --> site B ...

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 ...

I need to test the bandwidth capability of a Router for troubleshooting reasons. It appears the Router is chocking on higher bandwidth downloads as this was suggested for me to try this. I never had ...