If you're not using SRIOV then what do you need passthrough for? If it's for something like connecting a port that is connected to a mirror port on a switch then you can bridge it then add the nic to the VM. I've done this for security onion and other systems that need a mirror port to get data 

On Dec 5, 2016 8:48 PM, "qinglong.dong@horebdata.cn" <qinglong.dong@horebdata.cn> wrote:
I have not understood SR-IOV clearly. I just want to pass through the nic of the host to the vm. Is it possible?
 
From: Yaniv Dary
Date: 2016-12-01 19:16
CC: users
Subject: Re: [ovirt-users] hostdev passthrough
Are you trying to use SR-IOV or NIC pass-through?

Yaniv Dary
Technical Product Manager
Red Hat Israel Ltd.
34 Jerusalem Road
Building A, 4th floor
Ra'anana, Israel 4350109
Tel : +972 (9) 7692306
        8272306
Email: ydary@redhat.com
IRC : ydary

On Thu, Dec 1, 2016 at 3:54 AM, qinglong.dong@horebdata.cn <qinglong.dong@horebdata.cn> wrote:
Hi, all:
        I want to assign a nic of one host to the vm which is running in the host.
    
        When I assign the nic to vm, I got nothing. 

        And I got the event:
        Anyone can help? Thanks!

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