> On 11 Nov 2016, at 10:31, Chandrika Gautam <[email protected]> 
> wrote:
> 
> Hi Alfredo, 
> 
> I have not used any packages. 
> I downloaded the latest PFRING from https://github.com/ntop/PF_RING 
> <https://github.com/ntop/PF_RING> and selected Branch as dev and Saved the 
> Zip file using CloneorDownload option.  
> I compiled the PFRING source code and used all the necessary files. I can see 
> the changes you have done in pf_ring.c also.
> 
> I think version is not displayed due to some issues with git. Received this 
> error while executing ./configure in kernel directory.
> fatal: Not a git repository (or any of the parent directories): .git

Ok got it

> Have you used any pfring examples  to verify these changes?

Yes, I ran 2 instances of pfcount using this command line:

./pfcount -i eth2 -c 99 -H 2 -v 1 -m

Alfredo

> 
> Regards, 
> Chandrika
> 
> On Fri, Nov 11, 2016 at 2:32 PM, Alfredo Cardigliano <[email protected] 
> <mailto:[email protected]>> wrote:
> Hi Gautam
> for some reason I do not see the pf_ring revision here, please make sure the 
> pf_ring.ko module you are using is from latest code, 
> if you are using packages, please remove the pfring package, manually delete 
> all pf_ring.ko in your system, and reinstall it to make
> sure DKMS installs the new module.
> 
> Alfredo
> 
>> On 11 Nov 2016, at 09:53, Chandrika Gautam <[email protected] 
>> <mailto:[email protected]>> wrote:
>> 
>> # cat /proc/net/pf_ring/info 
>> PF_RING Version          : 6.5.0 (unknown)
>> Total rings              : 0
>> 
>> Standard (non ZC) Options
>> Ring slots               : 409600
>> Slot version             : 16
>> Capture TX               : No [RX only]
>> IP Defragment            : No
>> Socket Mode              : Standard
>> Cluster Fragment Queue   : 0
>> Cluster Fragment Discard : 0
>> 
>> Regards,
>> Gautam
>> 
>> On Fri, Nov 11, 2016 at 2:18 PM, Alfredo Cardigliano <[email protected] 
>> <mailto:[email protected]>> wrote:
>> 
>>> On 11 Nov 2016, at 07:29, Chandrika Gautam <[email protected] 
>>> <mailto:[email protected]>> wrote:
>>> 
>>> Hi Alfredo, 
>>> 
>>> I tested with latest pfring from github but still packets are segregated to 
>>> different applications. 
>> 
>> Please provide me the output of "cat /proc/net/pf_ring/info"
>> 
>>> After your latest change, We need to use cluster_per_flow_2_tuple only 
>>> right to segregate traffic on outer ip addresses ?
>> 
>> Correct
>> 
>>> Should we load pfring module with enable_frag_coherence=1? I have tested 
>>> with using this or without this with the latest package from github. 
>> 
>> enable_frag_coherence is set to 1 by default
>> 
>> Alfredo
>> 
>>> 
>>> 
>>> Regrads,
>>> Gautam
>>> 
>>> On Fri, Nov 11, 2016 at 9:12 AM, Chandrika Gautam 
>>> <[email protected] <mailto:[email protected]>> 
>>> wrote:
>>> Thanks Alfredo for an update.
>>> I will update you once merge with latest 
>>> PFRing.
>>> Regards,
>>> Gautam
>>> 
>>> Sent from my iPhone
>>> 
>>> On Nov 10, 2016, at 10:38 PM, Alfredo Cardigliano <[email protected] 
>>> <mailto:[email protected]>> wrote:
>>> 
>>>> Hi Gautam
>>>> your traffic is GTP traffic and the hash was computed on the inner headers 
>>>> when present,
>>>> I did change the behaviour computing the hash on the outer header when 
>>>> using cluster_per_flow_2_tuple, and introduced
>>>> new hash types cluster_per_inner_* for computing hash on inner header, 
>>>> when present.
>>>> Please update from github or wait for new packages.
>>>> 
>>>> Regards
>>>> Alfredo
>>>> 
>>>>> On 10 Nov 2016, at 11:41, Chandrika Gautam <[email protected] 
>>>>> <mailto:[email protected]>> wrote:
>>>>> 
>>>>> Hi Alfredo 
>>>>> 
>>>>> PFA the traces having vlan and not vlan.
>>>>> 
>>>>> To add more details to this, there are 2 observations - 
>>>>> 1. We ran a bigger file of 1 lakh packets, out of which fragments of same 
>>>>> packet got distributed across application
>>>>> 
>>>>> 2. We ran with the attached file and observed that the 2 packets were 
>>>>> going to one application and rest of the packets were to other one.
>>>>> 
>>>>> Thanks & Regards
>>>>> 
>>>>> On Thu, Nov 10, 2016 at 4:04 PM, Alfredo Cardigliano 
>>>>> <[email protected] <mailto:[email protected]>> wrote:
>>>>> Hi Gautam
>>>>> could you provide a pcap we can use to reproduce this?
>>>>> 
>>>>> Alfredo
>>>>> 
>>>>> > On 10 Nov 2016, at 11:22, Chandrika Gautam 
>>>>> > <[email protected] <mailto:[email protected]>> 
>>>>> > wrote:
>>>>> >
>>>>> > Hi,
>>>>> >
>>>>> > We are using PFRING cluster feature and using cluster_2_tuple and 2 
>>>>> > applications
>>>>> > are reading from same cluster id.
>>>>> >
>>>>> > We have observed that the packets having same source and destination ip 
>>>>> > addresses are getting distributed across 2 applications which has 
>>>>> > completely tossed our logic as we are trying to assemble the fragments 
>>>>> > in our applications.
>>>>> >
>>>>> > Is there any bug in PFRING clustering mechanism which is causing this.
>>>>> >
>>>>> > Using PFRING 6.2.0 and  pfring is loaded with below command -
>>>>> > insmod pf_ring.ko min_num_slots=409600 enable_tx_capture=0
>>>>> >
>>>>> > I tried with this also.
>>>>> > insmod pf_ring.ko min_num_slots=409600 enable_tx_capture=0 
>>>>> > enable_frag_coherence=1
>>>>> >
>>>>> >
>>>>> > Regards,
>>>>> > Gautam
>>>>> >
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>>>>> > <http://listgateway.unipi.it/mailman/listinfo/ntop-misc>
>>>>> 
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>>>>> 
>>>>> <multiple_fragments_id35515.pcap><multiple_fragments_id35515_wo_vlan.pcap>_______________________________________________
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