By ‘receive’ in this context, I assume you mean it accepts the packet that has arrived on the wire. As opposed to the fact that the packet did indeed arrive at that interface - clearly it is not the receiving device that influences which packets arrive at which interfaces.
So, let me bounce this back to you. Under what circumstances do L3 and L2 ports accept a packet? Regards, neale From: <vpp-dev-boun...@lists.fd.io> on behalf of Yuliang Li <yuliang...@yale.edu> Date: Tuesday, 5 December 2017 at 04:55 To: "vpp-dev@lists.fd.io" <vpp-dev@lists.fd.io> Subject: [vpp-dev] Bug? Hi, I am using vpp v18.01-rc0~160-ge13c799 (show version in vppctl). I feel I find a bug. I have two physical interfaces TenGigabitEthernet5/0/0 (int1) and TenGigabitEthernet5/0/1 (int2). Normally, if I send traffic (from another server) to int1, I expect int2 should NOT receive the traffic. This is true when int2 is in l3 mode. However, if I set int2 to l2 mode (e.g., set interface l2 bridge TenGigabitEthernet5/0/1 2), int2 will receive the same traffic as int1 does. This problem happens no matter int1 is in l2 or l3 mode. I use the trace to confirm that int2 receives the same traffic as int1 does. Does anyone know this problem? Thanks, -- Yuliang Li PhD student Department of Computer Science Yale University
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