Reply To: Send out modified ip packets, but no reponse ( NAT )

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#5627
Vadim Smirnov
Keymaster

    In order to analyze your code I would also need to analyze the environment it runs in. However, check if you have enable IP routing (forwarding) since it is disabled by the default and TCP/IP will just drop the packets from the interface if they don’t match interface address information.

    Another ques: when I call SendPacketToMstcp(), should I also get this packet at PACKET_FLAG_ON_SEND at the other adapter when MSTCP send it to interface? I tried, but not get the packet.

    No, this flag has informational purpose only (for you reference if packet was received from the network or from the stack).