Try to use virto(-net) for the NIC, that should help.

You need to make sure the VirtIO drivers are installed though.

Wido

On 5/22/21 8:52 PM, Vivek Kumar wrote:
> Hello Guys, 
> 
> I am using ACS 4.13 with KVM and VMware. I recently came to know that my 
> Window’s boxes are showing 1G NIC speed even I have 10G on the backend 
> physical host. In VMware I have figured out that it was because of E1000 
> network adaptor, the moment I change to VMXnet 3 it started showing me 10G 
> speed under the OS.
> 
> 
> But how do we resolve in case of KVM.  It’s showing me 1G instead of 10G 
> inside the instance. Can someone help me out If we need to install something 
> or taken care on KVM.
> 
> 
> Regards
> Vivek Kumar
> 

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