Got it, just I need to do modprobe to add virtio-rng driver.

I will try with this option.

Thanks for your help,

~Rohit

On Thu, Jun 29, 2017 at 6:20 PM, TranceWorldLogic . <tranceworldlogic@gmail.com> wrote:

Hi,

I am using host as Centos 7.3 and guest also centos 7.3

it have 3.10 kernel version.

But I not see virtio-rng in guest VM. Is this module come with kernel or separately I have to install ?

Thanks,

~Rohit

On Thu, Jun 29, 2017 at 5:28 PM, Yaniv Kaul <ykaul@redhat.com> wrote:

On Thu, Jun 29, 2017 at 10:07 AM, TranceWorldLogic . <tranceworldlogic@gmail.com> wrote:

Hi,

To increase network throughput we have changed txqueuelen of network device and bridge manually. And observed  improved throughput.

Interesting, as I've read the default (1000) should be good enough for 10g, for example.

Are you actually seeing errors on the interface (overruns) and such?

 

But in ovirt I not see any option to increase txqueuelen.

Perhaps use ifup-local script to set it when the interface goes up?

 

Can someone suggest me what will be the right way to increase throughput ?

Note: I am trying to increase throughput for  ipsec packets.

For ipsec, probably best to ensure virtio-rng is enabled.

Y.

 

Thanks,

~Rohit

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