I also remember trying to manually set the MAC address to a specific address, and it would not work. That is then when I found the link above, and called no joy.
On Mon, Jan 5, 2015 at 10:15 AM, William Hermans <yyrk...@gmail.com> wrote: > ethaddr: Ethernet MAC address for first/only ethernet interface (= eth0 in >> Linux). >> This variable can be set only once (usually during manufacturing of the >> board). U-Boot refuses to delete or overwrite this variable once it has >> been set. > > > http://www.denx.de/wiki/view/DULG/UBootEnvVariables > > I remember one of Robert's scripts setting a random MAC address, but which > one I do not remember. This was also quite some time ago, so things may > have changed since. > > On Mon, Jan 5, 2015 at 8:32 AM, Charles Steinkuehler < > char...@steinkuehler.net> wrote: > >> Sorry for the late reply, I'm sorting through queued mail from the >> holidays. >> >> On 12/19/2014 5:42 AM, Vernon Tindell wrote: >> > /etc/network/interfaces... >> > >> > iface eth0 inet dhcp >> > hwaddress ether DE:AD:BE:EF:CA:FE >> > >> > Again, with 5-14-2-14 image, this would cause eth0 to fail to >> initialize. >> > With 3.8.13-bone68, it seems to have no effect. Eth0 starts up fine >> but >> > has the same MAC address as before editing the interfaces file. >> >> What OS are you running, and where did you get your boards? >> >> IIRC, the MAC address is pulled from the on-board EEPROM and written to >> the PHY by U-Boot. If your EEPROMs all have the same data (I think this >> happened with some clone boards) or your boot loader isn't properly >> setup, you could see identical MAC addresses. >> >> I have had no issues with a large number of (Circutco) built BeagleBone >> boards here. I usually have 3 or 4 online at any given time, and each >> one has a unique MAC. >> >> I also don't believe the Linux driver for the on-chip Ethernet supports >> modifying the MAC address, so setting this in /etc/network/interfaces >> (or otherwise using standard networking commands like "ip link set") >> isn't an option. >> >> -- >> Charles Steinkuehler >> char...@steinkuehler.net >> >> -- >> For more options, visit http://beagleboard.org/discuss >> --- >> You received this message because you are subscribed to the Google Groups >> "BeagleBoard" group. >> To unsubscribe from this group and stop receiving emails from it, send an >> email to beagleboard+unsubscr...@googlegroups.com. >> For more options, visit https://groups.google.com/d/optout. >> > > -- For more options, visit http://beagleboard.org/discuss --- You received this message because you are subscribed to the Google Groups "BeagleBoard" group. To unsubscribe from this group and stop receiving emails from it, send an email to beagleboard+unsubscr...@googlegroups.com. For more options, visit https://groups.google.com/d/optout.
