Hi Mohsin Kazmi, Thanks for the quick answer. I'm not sure I got your point, I've two PCs each one connect to different physical port in a network device in the middle. This network device acts as a router with several ports - one will be cellular in the future. (Currently simulated by one of the physical ports) For the linux side interface (1.1.1.1) I've created VPP tap with the same IP 1.1.1.1 (I need that the VPP router will know this address). This network device has several ports that is connected to DPDK and VPP, so I don't want to create TAP interface per port (In addition to the performance issues in this case) Network device ______________ ________________________ _____________ | PC1 | | Linux | VPP | | PC2 | | 1.1.1.10/24 |------| 1.1.1.1/24 | 2.2.2.1/24 |-----| 2.2.2.10/24 | |_____________| |___________|____________| |_____________| Thanks, Amir
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