2010/10/13 Boris Epstein <borepstein at gmail.com>: > On Wed, Oct 13, 2010 at 2:55 PM, Eero Volotinen <eero.volotinen at iki.fi> wrote: >> 2010/10/13 Boris Epstein <borepstein at gmail.com>: >>> On Wed, Oct 13, 2010 at 2:19 PM, Brunner, Brian T. >>> <BBrunner at gai-tronics.com> wrote: >>>> >>>>> I just tried a full powerdown with NTP deactivated. The >>>>> system came up, the time is fine. >>>>> >>>>> Not that the time on the motherboard should necessarily >>>>> affect the MAC on an expansion card, but that was a good test >>>>> nonetheless. >>>> >>>> I'm suspicious (as others have suggested) the card itself is bad. I >>>> think to suspect the flash chip that stores the MAC addr. The rest of >>>> the card may be perfect. Using it long-term might require no more than >>>> a manual edit of the init script for it adding something to this effect >>>> 'if MAC == zeros; then set MAC to 00:0a:cd:1a:c1:71 fi'. This will fix >>>> this card without clobbering it's successor down the road. >>>> ******************************************************************* >>>> This email and any files transmitted with it are confidential and >>>> intended solely for the use of the individual or entity to whom >>>> they are addressed. If you have received this email in error please >>>> notify the system manager. This footnote also confirms that this >>>> email message has been swept for the presence of computer viruses. >>>> www.Hubbell.com - Hubbell Incorporated** >>>> >>>> >>> >>> Brian, >>> >>> While those suspicions were well justified I am not sure your guess is >>> correct in this particular case as I just swapped the NIC I had for a >>> different one and I seem to be getting the same sort of errors again. >>> What's the likelihood that two NICs in a row have a faulty flash? >> >> Well, you can set new mac address also manually on ifcfg-ethX script >> .. or ifconfig .. >> >> -- >> Eero >> _______________________________________________ >> CentOS mailing list >> CentOS at centos.org >> http://lists.centos.org/mailman/listinfo/centos >> > > OK... how do I set it? Or, more importantly, how do I find out what > MAC the card currently thinks it has? Well, ifconfig? It really doesn't matter, just generate random one.. edit /etc/sysconfig/network-scripts/ifcfg-ethX Remove HWADDR=00:00:00:00:00:00 add MACADDR=WH:AT:YO:UW:AN:T0 It should work this way and then just service network restart .. -- Eero -- Eero