jpcap ethernet packet lengh

Hi to all!

I want to take the length of the Ethernet packets, that goes through my network...
i have seen all the info that i can get with the methods here ---> NetworkInterface
but i cant find how to do that.Can you give me a tip?

Hello proskopos, welcome to the forums.

Have you looked into Jpcap?

Jpcap - a Java library for capturing and sending network packets
Develop a network packet sending/capturing tool in Java using Jpcap | twit88.com

yes i've checked both the url's you posted... and many more, but i cant find it.. :\
do you know how?