!. Ping the broadcast address then use arp -a
# ping 255.255.255.255
# arp -a | grep "xx:xx:xx:xx:xx:xx"
2. Use "snoop" to capture packets based on the MAC address...
# snoop ether host xx:xx:xx:xx:xx:xx
3. If you've got an intelligent network devices (switches), you can
interrogate each one to see if it's got a device with that MAC address on a
local (physically attached) port. On a Cisco switch, use enable, then do
show mac-address-table, and it'll show you the mac address and which port
it's on, then you can trace back the cable from the switch port to the
machine.
4. kevin graham sent a short script which also accomplished the task
foo:
#!/bin/sh
ping 255.255.255.255
macaddr=`echo $1 | sed -e 's/:\([0-9a-f]\):/:0\1:/g' -e
's/^\([0-9a-f]:\)/0\1/' -e 's/:\([0-9a-f]\)$/:0\1/'`
netstat -np | sed -n '/'$macaddr'$/p' | awk '{print $2}'
then run ./foo "8:0:20:ae:45:12"
S
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This archive was generated by hypermail 2.1.2 : Fri Sep 28 2001 - 23:14:18 CDT