Yes, please try with the same version and let us know

Thanks
Alfredo

On Jul 18, 2013, at 2:03 PM, Scott Finlon <[email protected]> wrote:

> 
>> are you also using the same pf_ring version? (looking for differences first 
>> of all)
> 
> The new box has a newer version of PF_RING on it.
> New box:
> PF_RING Version          : 5.6.1 ($Revision: 6565$)
> Total rings              : 8
> 
> Old Box:
> PF_RING Version     : 5.5.3 ($Revision: 6109$)
> Total rings         : 8
> 
> Do you want me to drop the new box back to 5.5.3? The old box is still in 
> production, so I don't want to upgrade that one yet if it's PF_RING that is 
> causing the issues.
> 
> Scott Finlon, CISSP
> -----------------------------------------
> Information Security Engineer
> The University of Scranton
> Email : [email protected]
> Phone : 570-941-6168
> -----------------------------------------
> 
> 
> -----Original Message-----
> From: [email protected] 
> [mailto:[email protected]] On Behalf Of Alfredo 
> Cardigliano
> Sent: Thursday, July 18, 2013 4:12 AM
> To: [email protected]
> Subject: Re: [Ntop-misc] PF_RING / DNA + Snort
> 
> Scott
> are you also using the same pf_ring version? (looking for differences first 
> of all)
> 
> Alfredo
> 
> On Jul 18, 2013, at 3:30 AM, Scott Finlon <[email protected]> wrote:
> 
>> Alfredo,
>> At first I was using a slightly different config because I was utilizing 16 
>> threads instead of 8, but when I turned off hyper threading i went back to 
>> using the exact same config.
>> PF_RING with the DNA DAQ, 8 queues, identical traffic, right now in the 
>> summer with no students on campus we are only seeing a few hundred Mbps so 
>> the older box is at 10ish % CPU utilization while the new box is at 100%.
>> 
>> Is there any config you would like to see specifically? 
>> 
>> Thank you!
>> -Scott
>> 
>> 
>> On Jul 17, 2013, at 4:19 PM, "Alfredo Cardigliano" <[email protected]> 
>> wrote:
>> 
>>> Hi Scott
>>> are you using the same configuration on the two boxes? could you provide 
>>> more details about configuration?
>>> 
>>> Best Regards
>>> Alfredo
>>> 
>>> On Jul 17, 2013, at 9:31 PM, Scott Finlon <[email protected]> wrote:
>>> 
>>>> Yes, both MSI-X and PCIE v3 are supported.
>>>> I disabled HT because that is one of the only differences between 
>>>> the two boxes, the old machine has two E5-2609's which aren't HT 
>>>> capable, and the new machine has two E5-2660's which are.
>>>> 
>>>> Scott Finlon, CISSP GCIA
>>>> -----------------------------------
>>>> Information Security Engineer
>>>> The University of Scranton
>>>> email : [email protected]
>>>> phone : 570-941-6168
>>>> -----------------------------------
>>>> 
>>>> 
>>>> 
>>>> 
>>>> 
>>>> 
>>>> On 7/17/13 3:20 PM, "Ritter, Nicholas" 
>>>> <[email protected]>
>>>> wrote:
>>>> 
>>>>> Does the new box support MSI-X and/or PCIe v3? I would think that 
>>>>> disabling HT (as in HyperThreading) would be the last thing you 
>>>>> would want to do.
>>>>> 
>>>>> 
>>>>> ________________________________________
>>>>> From: [email protected]
>>>>> [[email protected]] on behalf of Scott Finlon 
>>>>> [[email protected]]
>>>>> Sent: Wednesday, July 17, 2013 1:52 PM
>>>>> To: [email protected]
>>>>> Subject: [Ntop-misc] PF_RING / DNA + Snort
>>>>> 
>>>>> I am in the process of moving Snort from an older box to a new box. 
>>>>> Both are RHEL 6 x64, both with the same NICs.
>>>>> I am using PF_RING/DNA to split traffic across CPU cores on the 
>>>>> box, and can verify using pf_count_multichanel that traffic is 
>>>>> being split the way it should be.
>>>>> 
>>>>> I compiled Snort on the new box fresh, but copied the configs over. 
>>>>> The old box CPU is currently sitting around 10%, the new box has 
>>>>> the cores pegged at 99-100%.
>>>>> 
>>>>> I disabled HT on the new box, but the CPU is still maxed.
>>>>> 
>>>>> This looks like more of a Snort issue, not so much PF_RING, but I 
>>>>> asked over there and they aren't sure what might be the cause. 
>>>>> Anyone have any other ideas of what might be causing this to happen?
>>>>> 
>>>>> 
>>>>> Scott Finlon, CISSP GCIA
>>>>> -----------------------------------
>>>>> Information Security Engineer
>>>>> The University of Scranton
>>>>> email : [email protected]
>>>>> phone : 570-941-6168
>>>>> -----------------------------------
>>>>> 
>>>>> 
>>>>> 
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