snort packet loss rate

["Jin Fang" <jin.fang () utoronto ca>]

I have deployed snort in a gigabyte interface.
I noticed that the packet loss rate is quite high,
over 80%. Even after I disabled all preprocessors,
loading no rules, still the loss rate is about 15%.
Also the kernel has been compiled with device_polling
option and this freebsd box has 4GB memory.
What is now the factor to affect this loss rate?

Thanks
Jin