We've had pretty good luck using SmartBITS to generate traffic on our 10/100/1000 as well as Frame Relay and OC3 links in our test labs. Dan Holmes -----Original Message----- From: Alan Sato [mailto:asato@altrio.net] Sent: Tuesday, June 25, 2002 11:03 PM To: nanog@trapdoor.merit.edu Subject: Testing Bandwidth performance What are some tools to test bandwidth perfomance? I've used iperf, but are there other tools or ways to generate traffic for testing purposes to see a links maximum capacity? Especially greater than a 100mb. Alan