> On 12 Apr 2017, at 03:57, Yewei Tang via vpp-dev <vpp-dev@lists.fd.io> wrote:
>
> Hi Friends,
> I have some question regarding pci pass-though for bare metal host interface.
> All following questions are for running vpp on bare metal ubuntu.
>
> 1. host interface won't showing up.
> As i understand, when i start vpp, it can see all the host interface that are
> in down state and not in host routing table. This is true if i run vpp in a
> vagrant box ("show int" shows the down interface of vbox host). But this was
> not happening when i ran vpp on bare metal ubuntu host. is there any
> additional setting for bare metal linux?
>
> 2. Add host interface to vpp by using "create host-interface <name>"
> The "create host-interface" command works fine with veth pair or tap
> interface. For host physical nic interface, such as eth2, i can add it to
> vpp. It show up as host-eth2. But it seems cannot passing traffic. Is it true
> the "create host-interface " command does not suppose to work with physical
> interface?
>
> 3. pci passthrough.
> With kernel 4.4.1, if i add pci number to dpdk white list in
> /etc/vpp/startup.conf and bring up vpp, vpp can see the interface and pass
> packets. But after upgrade kernel to 4.8, (ubuntu 16.4.02) even i added the
> interface pci number to white list, vpp can not see the pass through
> interface anymore.
> Does vpp dpdk support kernel newer than 4.4.1?
>
Can you share output of "show pci" command?
>
> Thanks a lot!
>
> Yewei
>
> Some related post on vpp-dev. but i cannot find solution to my questions.
> https://lists.fd.io/pipermail/vpp-dev/2016-March/000235.html
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