.TH OUI 8 .SH NAME etheroui, wwnoui \- OUI Parsing .SH SYNOPSIS .B etheroui [ .I mac ... ] .br .B wwnoui [ .I wwn ... ] .SH DESCRIPTION These commands convert common strings containing an embedded IEEE Organizationally Unique Identifier (OUI) to the manufacturing organization's name. .I Etheroui accepts MAC addresses while .I wwnoui accepts World Wide Names (WWNs). .SH EXAMPLES Often it is helpful in determining the source of unknown packets on a network to know the manufacturer. Given these error messages in .BR /sys/log/ipboot , .I etheroui can be used to narrow down the list of suspect equipment. .IP .EX ; tail -100 /sys/log/ipboot | grep 'no binding' ladd Jul 1 22:34:58 !Discover(hwa01_003048da5830 via 192.168.0.136): no binding :: ; etheroui 003048da5830 003048 supermicro computer, inc. .EE .PP .SH FILES .TP .B /lib/oui organization database .SH "SEE ALSO" .IR atazz (8), .IR dhcpd (8), .IR scuzz (8), .IR snoopy (8)