Robert,
see 
http://www.ntop.org/support/faq/are-licenses-permanent-what-about-maintenance/ 
for details

Regards Luca

> On 24 Aug 2016, at 19:55, Alfredo Cardigliano <[email protected]> wrote:
> 
> Great, yes it was definitely expired (we provide 1-year updates)
> 
> Alfredo
> 
>> On 24 Aug 2016, at 16:05, Robert Williams <[email protected] 
>> <mailto:[email protected]>> wrote:
>> 
>> Hi – all sorted! License had expired so have renewed and all good now :)
>> 
>> Cheers!
>> 
>> 
>>  <http://www.custodiandc.com/>
>> 
>> ROBERT WILLIAMS
>> TECHNICAL DIRECTOR
>> Tel:
>> E-Mail:      +44 (0) 1622 230382
>> [email protected] <mailto:[email protected]>
>> http://www.CustodianDC.com <http://www.custodiandc.com/>
>>  <https://www.facebook.com/custodiandc> <https://twitter.com/CustodianDC> 
>> <http://www.youtube.com/CustodianDataCentres> 
>> <https://uk.linkedin.com/company/custodian-data-centre> 
>> <http://www.google.com/+Custodiandc-DataCentres>
>>  <http:/>
>> Alongside Silver Circle Law firms, Local Councils, International E-Commerce 
>> Sites and Global Domain Registrars to name a few.
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>> Registered Office: Maidstone TV Studios, Vinters Park, Maidstone, Kent ME14 
>> 5NZ  Company Number 07878023
>> 
>> 
>> From: [email protected] 
>> <mailto:[email protected]> 
>> [mailto:[email protected] 
>> <mailto:[email protected]>] On Behalf Of Robert Williams
>> Sent: 24 August 2016 14:13
>> To: '[email protected] <mailto:[email protected]>' <[email protected] 
>> <mailto:[email protected]>>
>> Subject: [Ntop] pfsend licensing issue
>> 
>> Hi,
>> 
>> We had a license for pf_ring which we were using purely with pf_send on one 
>> box with an intel 82599 NIC. It’s been fine for a few years of happy use 
>> now, until…
>> 
>> Unfortunately, the box was upgraded by a colleague and thus the kernel is 
>> now 4.4.0-34. So, I re-synchronized using “git 
>> clonehttps://github.com/ntop/PF_RING.git 
>> <https://github.com/ntop/PF_RING.git>” and then made and loaded the kernel 
>> and ixgbe drivers again.
>> 
>> Everything installs OK but now when I run pfsend I get:
>> 
>> root@boris:/etc/pf_ring# /./PF_RING/userland/examples/pfsend -i zc:eth1 -f 
>> /packets -n 0
>> 
>> Sending packets on zc:eth1
>> #########################################################################
>> # ERROR: You do not seem to have a valid PF_RING ZC license 6.5.0.160818 for 
>> eth1 [Intel 10 Gbit ixgbe 82599-based]
>> # ERROR: Please get one at http://shop.ntop.org/ <http://shop.ntop.org/>.
>> #########################################################################
>> # We're now working in demo mode with packet capture and
>> # transmission limited to 5 minutes
>> #########################################################################
>> Using PF_RING v.6.5.0
>> Read 32 packets from pcap file /packets
>> Dumping statistics on /proc/net/pf_ring/stats/3816-eth1.4
>> TX rate: [current 14'220'402.89 pps/9.89 Gbps][average 14'220'402.89 
>> pps/9.89 Gbps][total 14'220'474.00 pkts]
>> TX rate: [current 14'377'591.14 pps/10.00 Gbps][average 14'298'998.47 
>> pps/9.94 Gbps][total 28'598'669.00 pkts]
>> 
>> I’ve checked and the license is in /etc/pf_ring/<MAC> correctly (it wasn’t 
>> touched during the kernel upgrade).
>> 
>> So…. what did I do wrong?
>> 
>> Cheers! :)
>> 
>>  <http://www.custodiandc.com/>
>> 
>> ROBERT WILLIAMS
>> TECHNICAL DIRECTOR
>> Tel:
>> E-Mail:
>> +44 (0) 1622 230382
>> [email protected] <mailto:[email protected]>
>> http://www.CustodianDC.com <http://www.custodiandc.com/>
>>  <https://www.facebook.com/custodiandc> <https://twitter.com/CustodianDC> 
>> <http://www.youtube.com/CustodianDataCentres> 
>> <https://uk.linkedin.com/company/custodian-data-centre> 
>> <http://www.google.com/+Custodiandc-DataCentres>
>>  <http:/>
>> Alongside Silver Circle Law firms, Local Councils, International E-Commerce 
>> Sites and Global Domain Registrars to name a few.
>> Click here to view our email disclaimer <http:/>
>> Registered Office: Maidstone TV Studios, Vinters Park, Maidstone, Kent ME14 
>> 5NZ  Company Number 07878023
>> 
>> 
>> 
>> 
>> 
>> 
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