IGMP_QUERY.hex

#!/usr/local/bin/efsu -ieth0
# file: efsu/IGMP_QUERY.hex

# ====================================================================
#
# This is an example IGMP query packet; use it to emulate a router by
# sending an IGMP query over the network to stimulate IGMP membership 
# reports from IGMP enabled devices;
#
# this can be used on networks that do not have a router available to
# perform this function;
#
# The following command sends 100 IGMP query packets at 120 second 
# intervals;
#
#   efsu -i <interface> IGMP.hex -l 100 -w 120
#
# this particular pacet has the following parameters; do not disturb
# it or you will invalidate the checksum;
#
# MAC SA 00 0b 52 00 24 66
# Multicast DA  01 00 5E 00 00 02 
# IP SA  192.168.99.200
# IP DA  224.0.0.2     
# IP Checksum 776D
# IGMP Checksum EE9B
# RESPONSE TIMER 10 seconds (100 * 1/10 seconds)
#
# --------------------------------------------------------------------

01 00 5E 00 00 02 00 0B 52 00 24 66 08 00 45 00
00 1C 00 00 00 00 40 02 76 6D C0 A8 63 C8 E0 00
00 02 11 64 EE 9B 00 00 00 00 00 00 00 00 00 00
00 00 00 00 00 00 00 00 00 00 00 00