Please clarify the following: > When the bridge has no binding info about MAC-to-port, bridge is flooding > packets to all interfaces.
1. Is this linux bridge that’s in the kernel so not a bridge domain inside VPP? 2. So packets are flooded to all interfaces in the bridge. Are you saying each of the interface is on a separate VPP instance? > Hence VPP receives some packets whose MAC address is owned by some other VPP > instance. > We want to drop such packets. By default VPP is forwarding these packets. 1. How is VPP receiving packets from its interface and forwarding them? 2. Is the interface in L3 mode with an IP address/subnet configured? 3. It can be helpful to provide “show interface addr” output or, even better, provide a packet trace from VPP on how one or more of the packet is received and forwarded. Regards, John From: vpp-dev@lists.fd.io <vpp-dev@lists.fd.io> On Behalf Of Nagaraju Vemuri Sent: Tuesday, June 02, 2020 8:13 PM To: vpp-dev@lists.fd.io Subject: [vpp-dev] VPP forwarding packets not destined to it #vpp Hi, We are using linux bridge to connect different interfaces owned by different VPP instances. When the bridge has no binding info about MAC-to-port, bridge is flooding packets to all interfaces. Hence VPP receives some packets whose MAC address is owned by some other VPP instance. We want to drop such packets. By default VPP is forwarding these packets. We tried using "set interface l2 forward <interface> disable", but this did not help. Please suggest what we can do. Thanks, Nagaraju
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