What is the original delay between the packets? Are you looking at the timestamps with wireshark?
Have a nice day GV -------------------------------------------------- From: "Alimjan Kuramshin" <[email protected]> Sent: Wednesday, March 17, 2010 9:58 AM To: <[email protected]> Subject: [Winpcap-users] Packets capture latency > Hello, everyone! My name is Alimjan and i'm developing custom board with > the ethernet device and i've got some problem > with capturing data from it .. > > I'm using Notebook Asus G1S with Windows XP + SP3 installed to connect to > my board. Using WinPcap(4.1.1), i'm capture data from the board. So, i've > found that delay between the captured packets is a very 'vary' i mean that > it has huge spread, e.g, > at 10 mbits/s i've got 45-70 us delay, it is normal i gues, but some times > this delay grow up to 3-7 ms (milliseconds), for example, distance between > packets: 45 us, 46 us, 50 us, 47 us and so on.. then > 4 ms, 7 ms, 1 ms, and then again 53 us, 47 us and so on, the repeat... > Number of 'normal' delay is also very 'vary', delay may appear in a > different numbers of received packets, no logic :( > > My laptop is directly connected to my board e.g. cross TX->RX, RX->TX, no > hubs or something. Also using oscilloscope connected to the TX+ and TX- > lines i've found that it is no delay between packet that my custom board > (device) have send. Anybody please, help me to solve this situation, > may be i'm doing something wrong? > > P.S. i'm using winpcap exapmle code to capture the packets with callback > method and within pcap_next_ex. > > P.P.S i'm sorry for my english spelling skill, i hope that you can > understand my. > > Many thanks, bye.. > > _______________________________________________ > Winpcap-users mailing list > [email protected] > https://www.winpcap.org/mailman/listinfo/winpcap-users _______________________________________________ Winpcap-users mailing list [email protected] https://www.winpcap.org/mailman/listinfo/winpcap-users
