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..
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