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Identical ESXi 4.1 Host MAC address issue
http://www.vm-help.com/forum/viewtopic.php?f=17&t=3176
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Author:  bestliji [ Wed Jul 20, 2011 8:01 pm ]
Post subject:  Identical ESXi 4.1 Host MAC address issue

Hi Guys,

I use the dell optiplex 990 as my esxi host. But unfortunately, the on-board network card (Intel 82579LM) is not supported at the present by vmware. So I used a workaround to bypass the network card issue. I move the harddisk on my new machine and installed on another PC on which the network card is supported by vmware. I installed esxi successfully on the supported machine and then moved the harddisk back to my new machine. Then I repeated this on another machine. Now all the esxi are up and running on my two new machines. But I found one important issue that I cannot put the two machines on the same LAN cause the MAC address of them are identical. But i need to copy the VM on one machines to another to make a backup. And i am using Veeam Backup solution. I think this may cause the failure of Veeam backup.

Details around the workaround that I use to bypass the network card issue you can find here:
http://billyfung2010.blogspot.com/2011/ ... board.html

BTW, do you guys know how to change the MAC address of the esxi host ? I tried to use ifconfig command but it doesn’t work. It seems that esxi doesn’t support this command.
Any advice?

Thx,
Ji

Author:  Dave.Mishchenko [ Mon Jul 25, 2011 7:38 pm ]
Post subject:  Re: Identical ESXi 4.1 Host MAC address issue

The virtual management port that is created uses the MAC of the NIC that it detects as VMNIC0.

You can manually edit /etc/vmware/esx.conf or just add a new management port and delete the old one.

Author:  bestliji [ Mon Jul 25, 2011 10:31 pm ]
Post subject:  Re: Identical ESXi 4.1 Host MAC address issue

Dave,

Thanks a lot for your soltuion.

Ji

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