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 ...

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.

C:\>iperf -c 192.168.0.1 -w 64KB -p 5002 -u ----- Client connecting to 192.168.0.1, UDP port 5002 Sending 1470 byte datagrams UDP buffer size: 64.0 KByte ...

Software tools for testing Wi-Fi can run on a laptop, but dedicated hardware tools offer the convenience of a sometimes less cumbersome form-factor that are compact enough to fit in the pouch of a ...