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From: "Ouyang, Changchun" <changchun.ouyang@intel.com>
To: "Fu, Weiyi (NSN - CN/Hangzhou)" <weiyi.fu@nsn.com>, "dev@dpdk.org"
 <dev@dpdk.org>
Thread-Topic: [dpdk-dev]  In DPDK 1.7.1, the link status of the interface
 using virtio driver is always down.
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Date: Thu, 11 Dec 2014 08:11:24 +0000
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Subject: Re: [dpdk-dev] In DPDK 1.7.1,
 the link status of the interface using virtio driver is always down.
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Hi,

> -----Original Message-----
> From: dev [mailto:dev-bounces@dpdk.org] On Behalf Of Fu, Weiyi (NSN -
> CN/Hangzhou)
> Sent: Thursday, December 11, 2014 3:57 PM
> To: dev@dpdk.org
> Subject: [dpdk-dev] In DPDK 1.7.1, the link status of the interface using=
 virtio
> driver is always down.
>=20
> Hi,
> We are using the l2fwd based on DPDK 1.7.1  and found out that the link
> status of the interface using virtio driver is always down.
> Is there any precondition to let the link up?
>=20

Suggest you use testpmd to replace l2fwd, and virito need tx some packets b=
efore forwarding any packet.=20
In testpmd, you can use the following cmd:
Start tx_first=20

Thanks
Changchun