Benefits to private networks between virtual machines on an ESXi host?

Posted by arex1337 on Server Fault See other posts from Server Fault or by arex1337
Published on 2012-10-07T12:46:48Z Indexed on 2012/10/07 15:39 UTC
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Filed under:

networking

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virtualization

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vmware-esxi

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vmware-vsphere

I'm planning this development environment with a few database servers, and originally thought I would have a few private networks. I then thought it might be unnecessary as the ESXi cluster already provides redundancy with 4 NICs (in my case) and should manage the network traffic pretty intelligently, right?

Two private networks

Zero private networks

What are the advantages/disadvantages between the two shown configurations - on an ESXi 4.1 host?

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