Wire-rate Packet Capture on 10gbE

Joe Happe Joe.Happe at archlearning.com
Fri Apr 29 10:31:43 CDT 2011


Might also take a look at Gigamon, Anue Systems, and similar vendors.  It's possible to use these switches to "slice and dice" traffic from a 10g input to a farm of 1g tools for packet capture, ids, waf, content filtering etc.  Although there is a cost, it's usually cheaper than having to upgrade multiple existing tools to 10g speeds.  It also solves the issues with the number of source span's allowed on many Cisco switches, and avoids the bus/disk issues tools run into when dealing with 10g linerates.  (For now at least)  

~jdh

-----Original Message-----
From: Michael Holstein [mailto:michael.holstein at csuohio.edu] 
Sent: Friday, April 29, 2011 9:44 AM
To: Kyle Creyts
Cc: nanog at nanog.org
Subject: Re: Wire-rate Packet Capture on 10gbE


> How is this being done? I've looked at looked at PF_RING and TNAPI... 
> is there anything better out there?
>   

Those two (thanks to Luca) can get you most of the way there, but to really hit the target you need dedicated kit like Endace (and a few
others) make. They basically do what was represented in the CCC slides somebody else posted (FPGA with own logic), but on a PCIe card.

Once you've got the ethernet -> interface problem addressed, you need to examine bottlenecks in interface->bus and particularly bus->disk.

Regards,

Michael Holstein
Cleveland State Unversity


> --Kyle
>
>   


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