[tulip] Tulip and change of mac address

Donald Becker becker@scyld.com
Fri, 30 Mar 2001 02:12:34 -0500 (EST)


On Thu, 29 Mar 2001, Gerhard Wiesinger wrote:

> Is it possible to change the MAC address of a tulip based board?
> (not permanently)

Sure.  You can do this with every properly written Linux Ethernet
driver, as long as the interface is marked down.

> I saw something on
> http://www.netwinder.org/~stany/netwinder_board_rev_faq.html#changing_your_MAC
> that previous tulip versions could make this.

> Also tulip-diag has some switches.

That's only for permanently changing the address, which I definitely do
not recommend.

> A SIOCSIFHWADDR ioctl call would be nice that this could be done through
> the ifconfig hw settings.

It already works -- the MAC address is rewritten at every open().

Donald Becker				becker@scyld.com
Scyld Computing Corporation		http://www.scyld.com
410 Severn Ave. Suite 210		Second Generation Beowulf Clusters
Annapolis MD 21403			410-990-9993