Hello Everybody,
I'm working on a very simple software ethernet bridge using winpcap. It uses only two NICs. Packets received on the first NIC will be sent out on the other and vice versa.
Now, due to the 'loopback' mechanism, everytime I forward a packet, the same packet is then received later on the same nic that it was sent on (which will be forwarded to the first device, which will receive it again and so on...).
I'm using Windows XP Professional and I've tried to modify the NPF driver to set the NDIS_FLAGS_DONT_LOOPBACK on outgoing packets but it does not work.
I've also tried to set NDIS_FLAGS_DONT_LOOPBACK|0x400 which is supposed to be an undocumented feature of win2k but that didn't work either.
Have you experienced similar problems? Is there any solution to this?
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