[juneau-lug] Identify mac addresses

We had a requirement to identify a piece of equipment by MAC address,
and I thought I might need to do it again one day. =20

CAUTION.  Last time I tried to send a script through Outlook, it really
mangled the newlines.  If it doesn't work, look for strange lines!

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#!/bin/bash
########################################################################
#################
# id-mac.sh
# identifies the equipment manufacturer based on mac address.
# Depends on a current copy of oui.txt from
http://standards.ieee.org/regauth/oui/oui.txt
# Depends on the arping utility (unfortunately run as root -- use sudo)
# James Zuelow // Juneau Linux Users Group
# 28 April 2006
########################################################################
#################
if [[ -z $1 ]]
then
        echo "Useage:  id-mac.sh (IP ADDRESS)"
        exit 1
else
        OUI=3D/root/data/oui.txt
        MACID=3D`arping -c 1 $1 | awk '/bytes from/ { print $4 }' | cut -c
-8 | sed s/:/-/g`
        echo "Manufacturer of device at $1 is:"
        grep $MACID $OUI
        exit 0
fi


--------------------8<--------------------------


James Zuelow....................CBJ MIS (907)586-0236
Network Specialist...Registered Linux User No. 186591
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