[pve-devel] win8r2 virtio net problems

[Cesar Peschiera]

OK, ntttcp is better that iperf for test, but do you change the properties 
of the NIC to 10 Gb/s into of the Windows VM? (I don't remember if it is the 
default configuration)

----- Original Message ----- 
From: "Dietmar Maurer" <dietmar at proxmox.com>
To: "Lindsay Mathieson" <lindsay.mathieson at gmail.com>; 
<pve-devel at pve.proxmox.com>
Sent: Sunday, March 30, 2014 3:06 AM
Subject: Re: [pve-devel] win8r2 virtio net problems


>> > now, vm->host, jump from 500mbits to 1,5gbits !   (always cpu limited)
>> >
>> > now sure that lso is supported by all windows versions, I need to
>> > check that. (and stability too)
>>
>>
>> Not working for me unfortunately. Two 2008R2 servers with offload Tx LSO
>> set to Maximal, only getting 41 Mbps
>>
>> This when both VM's are on the same bridge and node, 1GB ethernet.
>
> On same VMs, using Using ntttcp i get 157MB/s! So seems there is something 
> wrong with ipperf.
>
>
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