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Dear all, DAG cards (manufactured by Endace) are very efficient cards used for analyzing traffic at high speeds. If your link runs at Gbit speeds or above then this is probably the only viable solution for analyzing the traffic. Recently Endace has donated to the project a 100 Mbit card I use for testing (BTW if somebody wants to test his code on it can drop me a mail). After having hacked the ntop code for adding native DAG support, I have realized that there;s not much performance gain with respect to libcap 0.81 (that supports DAG already). Therefore I have built ntop against it and checked that everything works well.
If you fetch ntop from CVS and go into docs you can read the DAG document that explains how to build ntop with DAG support.
Now the new challenge is to find out how to really exploit the DAG card as I have the feeling that those cards deserve a really fast app on top of them that really exploits their power.
Many thanks to Endace for supporting the project.
Regards, Luca
- -- Luca Deri <[EMAIL PROTECTED]> http://luca.ntop.org/ Hacker: someone who loves to program and enjoys being clever about it - Richard Stallman -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.2.1 (GNU/Linux) Comment: Using GnuPG with Mozilla - http://enigmail.mozdev.org
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