Purpose of the Packet Flooder Tool

The purpose of this tool is to send packets fast enough to flood an interface so that the high usage of bandwidth can be observed on the sender and receiver.

About the Packet Flooder Tool

The Packet Flooder tool is a Network Traffic Generator. It sends UDP packets to a target IPv4 or IPv6 address. You have control over the target port and payload in the UDP packets. It is multithreaded so under the right circumstances it can send UDP packets at a rate fast enough to achieve 98% or so bandwidth usage* on a 100BaseT ethernet interface. The are also timing controls that allow you to vary the rate at which packets are sent.


*bandwidth saturation or usage may vary and is a function of your computer hardware and software.

  • This is a UDP Packet Flooder/Traffic Generator. It does not send any other type of packet.
  • Use this tool only with targets that you have permission to contact.

Related Tool Links

  • Packet Generator - sends packets much slower but with more control over the headers and content.

Packet Flooder Screenshot

Packet Flooder Screenshot

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Packet Flooder Screenshot (running)

Packet Flooder Screenshot

How the Packet Flooder Tool works


UDP Packets are sent to the IPv4 or IPv6 target you select. Various data payload options are available.
After you press Stop you can see how many packets were sent and the rate at which they were sent.

  • Sends UDP Packets to IPv4 or IPv6 address targets. Hostnames can be resolved to either IPv4 or IPv6 addresses (user selectable).
  • Target UDP port can be fixed or random.
  • Data Payloads length and content can be controlled. The payload length can be fixed or it can be random. The payload content can be random characters, repeating alphabet characters 'abcdefg', text data or data from a file.
  • Interpacket Delay helps limit the frequency that packets are sent.
  • The packet size is limited to the MTU of your network, typically 1460 bytes for Ethernet.
  • Any interface that Windows can send UDP packets through can be used. This tool does not use WinPcap so there are no limitations on device compatibility. The interface used is chosen by the operating system based on the IPv4 or IPv6 routing table contents.
  • Bandwidth Utilization is based solely upon information reported by the operating system and is shown gauge and a historical chart.

A video of the Packet Flooder Tool in action!

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The speed of the UDP packet send is a function of your interface and the settings you use on the tool. You may need to experiment with the settings for optimum performance.