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VMWare,  and Network management between the host and VM

Posted on 2012-03-18
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Last Modified: 2012-03-25
I noticed that I get much higher network usage in the VM than in the host, something like:

Host:     20,000 KBps
VM:       90,000 KBps

In KVM, (some time ago when I did that, so the current version of KVM may no longer do that) it was always the opposite, I would have gotten something like:

Host:    180,000 KBps
VM:       90,000 KBps

Because the host essentially did a memcpy from the adapter output to the VM.

Why does that not happen in VMWare, how does VMWare manage its network usage between the host and the VM.
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Question by:Los Angeles1
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by:Aaron Tomosky
ID: 37736121
Is the vm communicating with other vms on the same host?
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Andrew Hancock (VMware vExpert / EE MVE) earned 500 total points
ID: 37736890
The Host communicates internally with the VM, using VMware Tools.
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