invalid source MAC address

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Mar 19th, 2008
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Hi,


I ama getting this log from some of switches. Anybody knows what is that?


(Suppressed 5 times)Packet received with invalid source MAC address (00:00:00:00:00:00) on port Gi1/47 in vlan 300


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Kevin Dorrell Wed, 03/19/2008 - 01:29
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I get lots of those from time to time. It's usually when the server team is installing a new virtual server on a VMware host. On VMware, each virtual server has its own individual MAC address. If you create a new server, it generates frames from 00:00:00:00:00:00 until it has been correctly configured.


Do you have a VMware host or something similar on that port?


Kevin Dorrell

Luxembourg


Muhammed AKYUZ Wed, 03/19/2008 - 01:37
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Yes, we have ESX servers that has wmware hosts. But the port is not WMWARE host. It is normal Linux server. Syslog message comes to 5-6 switches to trunk ports at same time.

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