Get ethernet MAC address without powering on machine?
Donald Becker
becker at scyld.com
Tue Jun 4 01:43:12 PDT 2002
On 4 Jun 2002, Jim Meyer wrote:
> This leads me to my question: anyone know of a clever way to get the MAC
> address from an ethernet device without needing to power the machine up,
No, unless the NIC has a boot ROM that tries to do bootp/DHCP.
Even IPMI requires initially configuring the machine.
Note that Wake-On-LAN is not part of the solution. A NIC in WOL mode
will only scan received packets, and it usually does this at 10baseT to
reduce power usage generating link beat.
--
Donald Becker becker at scyld.com
Scyld Computing Corporation http://www.scyld.com
410 Severn Ave. Suite 210 Second Generation Beowulf Clusters
Annapolis MD 21403 410-990-9993
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