Network Packet Generator

Use Colasoft Packet generator to create ICMP packet:


npg ascii file to generate ICMP Address Mask
npg ascii file to generate ICMP Echo to google
Use the input from Colosoft packet generator tool to create "ngp ascii packet" packet.txt

npg -vvv -f packet.txt

OR

Get the linux code to send raw 802.3 packet "rawpacket.c".

gcc rawpacket.c -o rawpacket
./rawpacket

Reference:
http://www.wikistc.org/wiki/Network_packet_generator
http://www.colasoft.com/download/products/download_packet_builder.php
Npg1.3.0.zip