Hi Alfredo

Can you please answer this question? It is urgent.

Thank you,
Katarina

From: [email protected] 
[mailto:[email protected]] On Behalf Of Katarina Valent
Sent: Wednesday, December 03, 2014 4:02 PM
To: [email protected]
Subject: Re: [Ntop-misc] PF_RING ZC and jnetpcap

Hi Alfredo

We are using PF_RING via jnetpcap that uses PF_RING aware libpcap. How to 
enable ZC when using PF_RING in this way?

Thank you,
Katarina

From: 
[email protected]<mailto:[email protected]>
 [mailto:[email protected]] On Behalf Of Katarina Valent
Sent: Tuesday, December 02, 2014 6:30 PM
To: [email protected]<mailto:[email protected]>
Subject: Re: [Ntop-misc] PF_RING ZC and jnetpcap

Hi Alfredo

thank you for your fast response.
Do you have any instructions how to link pf_ring aware libpcap? Seems that we 
are using it wrong.

Thank you,
Katarina

[cid:[email protected]]

Katarina Valent

tel: +385 1 6699 555
fax: +385 1 6699 542
mob: +385 91 7605 124

Intenda Net
Member of Recro Group
Av. V. Holjevca 40
10 010 Zagreb, Hrvatska
www.intendanet.hr<https://owa.recro.hr/owa/redir.aspx?C=c60469cef3dc4cd4b8c1bad12ea50624&URL=http%3a%2f%2fwww.intendanet.hr>


________________________________
Å alje: 
[email protected]<mailto:[email protected]>
 
<[email protected]<mailto:[email protected]>>
 u ime Alfredo Cardigliano <[email protected]<mailto:[email protected]>>
Poslano: 2. prosinca 2014. 18:25
Prima: [email protected]<mailto:[email protected]>
Predmet: Re: [Ntop-misc] PF_RING ZC and jnetpcap

Hi Katarina
pcount and tcpdump in the pf_ring tarball are our libpcap-based sample 
applications you can use for testing,
please make sure tshark is linked against our pf_ring-aware libpcap.

Alfredo

On 02 Dec 2014, at 17:11, Katarina Valent 
<[email protected]<mailto:[email protected]>> wrote:

Hi

We have been using PF_RING TNAPI and Intel 1G card with an java application 
that used jnetpcap and libpcap to receive packets from PF_RING. Now we are 
trying to upgrade existing system to use Intel 10G 82599 card and PF_RING ZC.

Using instructions from 
https://svn.ntop.org/svn/ntop/trunk/PF_RING/userland/examples_zc/README.quickstartwe
 have installed ZC ixgbe driver and PF_RING. Additionaly, we have copied 
libpcap from PF_RING into usr/lib and linked it with libpcap.so.1 because we 
use jnetpcap and libpcap in our java application.
Usage of example program zcount seems to be working fine, but we cannot se 
packets using tshark tool. Is there something extra we need to do to see these 
packets? Our fear is that if tshark doesn't see packets, our application also 
won't see them. Do we need to use some other JNI in our applicatio for it to 
work with PF_RING ZC?

Thank you,
Katarina Valent

<image001.png>

Katarina Valent
Software developer

tel: +385 1 6699 555
fax: +385 1 6699 542
mob: +385 91 7605 124

Intenda Net
Member of Recro Group
Av. V. Holjevca 40
10 010 Zagreb, Hrvatska
www.intendanet.hr<http://www.intendanet.hr/>
www.intaxisolutions.com<http://www.intaxisolutions.com/>



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