<div class="__aliyun_email_body_block"><div  style="line-height:1.7;font-family:Tahoma,Arial,STHeiti,SimSun;font-size:14.0px;color:#000000;"><div  style="clear:both;">Hi, </div><div  style="clear:both;">I followed the instructions in <span ><a  href="https://doc.dpdk.org/guides-20.11/sample_app_ug/kernel_nic_interface.html" target="_blank">https://doc.dpdk.org/guides-20.11/sample_app_ug/kernel_nic_interface.html</a> to run the KNI sample application with DPDK v20.11.8. </span></div><div  style="clear:both;"><span ><br ></span></div><div  style="clear:both;"><span  style="color:#000000;font-family:Tahoma,Arial,STHeiti,SimSun;font-size:14.0px;font-style:normal;font-variant-ligatures:normal;font-variant-caps:normal;font-weight:400;letter-spacing:normal;text-align:start;text-indent:.0px;text-transform:none;white-space:normal;word-spacing:.0px;background-color:#ffffff;text-decoration-thickness:initial;text-decoration-style:initial;text-decoration-color:initial;float:none;display:inline;">The NIC status is shown below. Remote ping 10.11.140.8 is successful. </span></div><div  style="clear:both;"><img  class="__aliyun_inline_attach_1" src="cid:__aliyun169379796151839111" style="vertical-align:bottom;"></div><div  style="clear:both;"><br ></div><div  style="clear:both;">Firstly I bind enp3s0 to `<span >uio_pci_generic`</span> driver and load `rte_kni` module with carrier=off. </div><div  style="clear:both;"><img  class="__aliyun_inline_attach_2" src="cid:__aliyun169379796151839112" style="vertical-align:bottom;"></div><div  style="clear:both;"><br ></div><div  style="clear:both;"><br ></div><div  style="clear:both;"><img  class="__aliyun_inline_attach_1" src="cid:__aliyun169379796151839113"><br ></div><div  style="clear:both;"><br ></div><div  style="clear:both;">Then we run the sample application and it seems to be normal. </div><div  style="clear:both;"><img  class="__aliyun_inline_attach_4" height="423" src="cid:__aliyun169379796151839114" width="868"><br ></div><div  style="clear:both;">`ip addr show` prints: </div><div  style="clear:both;"><img  class="__aliyun_inline_attach_5" src="cid:__aliyun169379796151839115" style="vertical-align:bottom;"></div><div  style="clear:both;"><br ></div><div  style="clear:both;">Finally the IP, netmask and gw are added to the veth. </div><div  style="clear:both;"><img  class="__aliyun_inline_attach_5" src="cid:__aliyun169379796151839116"><br ></div><div  style="clear:both;"><br ></div><div  style="clear:both;">The veth is up but it is not running, and **we cannot perform a remote ping**. </div><div  style="clear:both;"><img  class="__aliyun_inline_attach_7" height="61" src="cid:__aliyun169379796151839117" width="868" style="vertical-align:bottom;"></div><div  style="clear:both;"><br ></div><div  style="clear:both;"><img  class="__aliyun_inline_attach_6" src="cid:__aliyun169379796151839118"><br ></div><div  style="clear:both;"><br ></div><div  style="clear:both;">My question are as follows:</div><div  style="clear:both;">1. What else need to be configured such that we could remote ping the DPDK-captured NIC?</div><div  style="clear:both;">2. Is it possible to set the IP of <span  style="color:#000000;font-family:Tahoma,Arial,STHeiti,SimSun;font-size:14.0px;font-style:normal;font-variant-ligatures:normal;font-variant-caps:normal;font-weight:400;letter-spacing:normal;text-align:start;text-indent:.0px;text-transform:none;white-space:normal;word-spacing:.0px;background-color:#ffffff;text-decoration-thickness:initial;text-decoration-style:initial;text-decoration-color:initial;float:none;display:inline;">DPDK-captured NIC? I found that MAC\MTU could be configured but I do not find the method to configure IP. </span></div><div  style="clear:both;"><span  style="color:#000000;font-family:Tahoma,Arial,STHeiti,SimSun;font-size:14.0px;font-style:normal;font-variant-ligatures:normal;font-variant-caps:normal;font-weight:400;letter-spacing:normal;text-align:start;text-indent:.0px;text-transform:none;white-space:normal;word-spacing:.0px;background-color:#ffffff;text-decoration-thickness:initial;text-decoration-style:initial;text-decoration-color:initial;float:none;display:inline;">Best wishes,</span></div><div  style="clear:both;"><span  style="color:#000000;font-family:Tahoma,Arial,STHeiti,SimSun;font-size:14.0px;font-style:normal;font-variant-ligatures:normal;font-variant-caps:normal;font-weight:400;letter-spacing:normal;text-align:start;text-indent:.0px;text-transform:none;white-space:normal;word-spacing:.0px;background-color:#ffffff;text-decoration-thickness:initial;text-decoration-style:initial;text-decoration-color:initial;float:none;display:inline;">Qiwen Lee</span></div></div></div>