massagevendor - convert the ethernet vendor codes master list to
massagevendor is a program that converts a text file containing
ethernet vendor codes into a format suitable for use by arpwatch(8) and
arpsnmp(8). The input vendorfile is a master text file containing
vendor codes. The output is sent to stdout. Each line of the
vendorfile is expected to have a six digit hexadecimal vendor code
followed by spaces followed by the name of the manufacturer.
All ethernet devices have a unique identifier which includes a vendor
code specifying the manufacturer of the device. In normal operation
arpwatch(8) and arpsnmp(8) use the file ethercodes.dat to report this
vendor code. massagevendor is used to generate the ethercodes.dat file
from text files containing these vendor codes.
Locations where an ethernet vendor codes master text file can be
obtained are given below.
/usr/share/arpwatch - default location of the ethernet vendor list
ethercodes.dat - file containing the list of ethernet vendor codes
Sources for ethernet vendor codes seen in the wild are
Useful for comparison or completeness are the
ethernet vendor codes as assigned
by the IEEE which can be found at
Please send bug reports to email@example.com.
Craig Leres of the Lawrence Berkeley National Laboratory Network
Research Group, University of California, Berkeley, CA.
The current version is available via anonymous ftp:
This manual page was contributed by Hugo Graumann.