How to increse link speed between Virtual machines from 1Gbps to 10Gbps

[AmeerFaisal]

How to increase Virtual Network card link speed 1Gbps to 10Gbps, as my ESX server having 10Gbps network card

Thank you

[AmeerFaisal]

Please advice...

[AWo]

Are these guests on different VMWare hosts, on different vSwitchs on the same host or on the same vSwitch on the same host?

Why do you think they're not communication at 10 GBit/s?

AWo

VCP 3 & 4

Author @ vmwire.net

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[AmeerFaisal]

All Guest Machines on same Virtual switch, same host, virtual machines running windows 2003 servers, NIC card speed it is showing 1gbps only, I want to increase it to 10gbps, as my ESX server having 10 gbps NIC card.

Thanks

[rogard]

The vnic speed (with the Guest OS) has no idea as to the speed of the pNIC.

To increase the "link speed" upgrade the Guest OS nic to VMXnet3 either via editing the *.vmx file or by removing the NIC and Readding another NIC with the VMXNet3 type.

However please be aware that the link speed in 32bit OSs will only ever read "1.4Gps" due to this:

http://support.microsoft.com/kb/931857

Also remember that you probabaly want to use Jumbos.

[AWo]

As these guests are on the same vSwitch (and port group?) they do not even touch the physical NIC. They run as fast as what the host CPU allows. The 1 GB you see in the guest can be ignored regardless of if a physical adapter s used or not.

Do you have instled the VMware Tools insde the guests?

AWo

VCP 3 & 4

Author @ vmwire.net

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