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charset="us-ascii" Content-Transfer-Encoding: quoted-printable X-Content-Filtered-By: Mailman/MimeDel 2.1.29 Subject: Re: [dpdk-users] expose kni interface on VM to host X-BeenThere: users@dpdk.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: DPDK usage discussions List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: users-bounces@dpdk.org Sender: "users" Hi Quanren, how does your routing table look like in VM? I can see you assign KNI interface address from the same network as for ano= ther NIC, can you try with an address from the different subnet? If KNI int= erface IP address is used just as IP point (in your example) it might creat= e collisions in routing table. Can you run tcpdump on any of your interfaces? Kind regards, Renata ________________________________ From: users on behalf of Quanren Xiong Sent: Sunday, April 11, 2021 4:17 AM To: users@dpdk.org Subject: [dpdk-users] expose kni interface on VM to host Hi all, I have successfully installed DPDK on a Linux guest VM, which is launched by VirtualBox on a Mac host. After running the kni Example Application on my VM by following DPDK kni example guide , I am able to assign an IP address to it by doing "ip addr add dev vEth0_0 192 .168.56.103". And the VM has another NIC with IP address 192.168.56.101. The host has an interface 192.168.56.1. I can ping .101 from the host, but NOT .103 from the host. Any idea how to make pinging the kni interface(.103) work? Or the kni interface is different and is meant not to work? thanks xiong