[Beowulf] raw ethernet
dskr at mac.com
Thu Jul 22 05:19:14 PDT 2004
On Jul 21, 2004, at 9:14 AM, Robert G. Brown wrote:
> leeching off of arp
> tables somehow to achieve a semi-portable mapping between hostname and
> ethernet number on the flat network.
It's easy to take hardware too seriously. If you are building a cluster
a private network, you don't need to worry about IANA and what they
your Ethernet MAC addresses should be. Just staple your node number into
your hardware address* and be done with it. Essentially all network
provide some way to load a user-supplied MAC address into the card and
nearly all linux network device drivers expose this facility.
* and make sure that the resulting ethernet address is a legit unicast
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