[Winpcap-users] Performnace in GW application....

김철민 cmkim at sysonchip.co.kr
Wed Aug 17 11:57:13 GMT 2005


I’m trying to develop GW application using WinPCap library.

My target pc has two Ethernet interfaces.

What I want to do now is just forward every packet in one interface to the

Thus I capture every packet (but, I do not use promiscuous option) and send
it by opposite interface.

The problem is in performance.

The local network in my environment has 100Mbps speed, but my application
just shows 60Kbps in FTP application… ^^

I use two window threads for each interface and pcap_loop() for packet
capturing and sending.

Are there any comments for increasing performance?


Cholmin Kim


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