Sent: Thursday, May 03, 2018 at 9:39 AM
From: daggs <daggs(a)gmx.com>
To: "Laine Stump" <laine(a)redhat.com>
Cc: libvirt-users(a)redhat.com
Subject: Re: [libvirt-users] connecting host and guest vm using a dummy nic
Greetings Laine,
> Sent: Thursday, May 03, 2018 at 1:13 AM
> From: "Laine Stump" <laine(a)redhat.com>
> To: libvirt-users(a)redhat.com
> Cc: daggs <daggs(a)gmx.com>
> Subject: Re: [libvirt-users] connecting host and guest vm using a dummy nic
>
> On 05/02/2018 01:28 PM, daggs wrote:
>
> >> Sent: Wednesday, May 02, 2018 at 8:09 PM
> >> From: "Laine Stump" <laine(a)redhat.com>
>
> >>
> >> Also, if virtio works, then *definitely* use that instead of e1000 - the
> >> performance will be much better and overhead much lower.
> >>
> >>
> > so any network test will do?
> >
>
>
> Do you mean to test and see if virtio-net is acceptable for your guest
> OS? If the guest OS has the driver for virtio-net, then definitely you
> should use it. I've never heard of a case of any of the drivers that
> emulate real hardware performing anywhere near as well as virtio-net.
>
no, I mean test the virtual nic speed, will ipref work?
also, in the guest os, the module attached to the virtual nic is virtio-pci, is that
expected?
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root@router:/# iperf -s
------------------------------------------------------------
Server listening on TCP port 5001
TCP window size: 85.3 KByte (default)
------------------------------------------------------------
[ 4] local 10.1.0.138 port 5001 connected with 10.1.0.212 port 57590
[ ID] Interval Transfer Bandwidth
[ 4] 0.0-10.0 sec 33.1 GBytes 28.4 Gbits/sec
looks very good indeed. thanks for all the help.