I just filter out unwanted packets (in your case, packets sent by your app) by comparing ether.source with the MAC address of the bound adapter.

Best regards
Helmut

fly_2u schrieb:
Hi experts,
There is a problem about use pcap_next_ex(...) to receive packet in Windows XP SP3. This function will be unexpected to receive the packet sent by the function pcap_sendpacket(...) in the same port. And when I use pcap_setdirection(m_pcapHandle, PCAP_D_IN) to set it, it will return -1, the error info is "Setting direction is not implemented on this platform". How could I implement the functionality that the pcap_next_ex(...)don't receive packet sent by pcap_sendpacket?Any help from you will be highly appreciated. Thanks!
BR.
Sam


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