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ESX Networking

Posted on 2009-04-01
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Last Modified: 2012-06-21
I am in the process of setting up a virtual firewall which will have several virtual switches attached to different virtual switches. It looks like four interfaces is the maximum available in ESX 3.5. For my ideal setup, I will need at least five.

Please verify the 4 interface limit and any workarounds. Thanks.
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Question by:timbrigham
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by:za_mkh
za_mkh earned 250 total points
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VMWare Virtual machines can only have 6-7 PCI devices. Of those, 1 is used for your 'VGA' card, and the other for the SCSI controller. The remaing 4 buses can either be used for a combination of 4 network cards, or 3 NICS + an additional SCSI card. Think of it like a virtual motherboard and it all makes sense.
So the maximum number of NIC's you can assign to your VM guest is 4 !
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timbrigham earned 0 total points
ID: 24081118
Apparently the new ESX 4 will provide up to 10 network cards and should be released sometime in the next couple months as well.

http://vmwaretips.com/wp/2009/02/25/vmware-vsphere-40-configuration-maximums/
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