is GUI and CLI packet generator tool for ethernet. It allows you to create and send any possible packet or sequence of packets on the ethernet link. It is very simple to use, powerful and supports many adjustments of parameters while sending sequence of packets.

NEW RELEASE (9.4.2015): packETH-1.8.1  (Linux version)

BLOG: 40Gbit/s testing with packETH? Sending RTP streams? Please read...

  1. Features:

  2. you can create and send any ethernet packet. Supported protocols:

    1. ethernet II, ethernet 802.3, 802.1q, QinQ, user defined ethernet frame

    2. ARP, IPv4, IPv6, user defined network layer payload

    3. UDP, TCP, ICMP, ICMPv6, IGMP, user defined transport layer payload

    4. RTP (payload with options to send sin wave of any frequency for G.711)

    5. JUMBO frames (if network driver supports it)

  3. sending sequence of packets

    1. delay between packets, number of packets to send

    2. sending with max speed, approaching the theoretical boundary

    3. change parameters while sending (change IP & mac address, UDP payload, 2 user defined bytes, etc.)

  4. saving configuration to a file and load from it - pcap format supported

Latest versions:

packETH-1.8.1 (linux)

packETH-1.7 (mac) *

packETH-1.6 (windows) *

(*please read FAQ first!)

What is new in version 1.8.1:

  1. -nano seconds resolution

(read Changelog file for more news)

Because nano seconds resolution is quite a bit change please give me feedback on how does it behave on your platform.