GNS3 Talks: Ostinato Packet Generator and GNS3 – download, install and configure (Ostinato Part 1)

Ostinato – Network Traffic Generator Part 1. Quickly develop packets for screening in your GNS3 network. Free software application worth $200:

Ostinato is a packet crafter, network traffic generator and analyzer with a friendly GUI. Additionally an effective Python API for network test automation. Craft as well as send packets of a number of streams with various procedures at different prices. Think of it as "Wireshark backwards".