On 29/5/2015 2:13 μμ, Gunther Nitzsche wrote:
> For me it looks like a "sampling rate" problem.
> See nfcapd(1) for the details
>
> Take a look at "optarg -s" like in our case:
>
> nfsen.conf:
>
> %sources = (
> 'xxxnameyy' => { 'port' => '2000', 'IP' => '192.168.1.1', 'col'
> => '#00fff0', 'type' => 'netflow', 'optarg' => '-s 128' },
> ...
Thank you for the reply and the info you sent.
So, we might conclude that, with this version of IOS, the sampling rate
should be changed in nfsen config.
But how am I supposed to find the correct value? I did not reach any
conclusion by reading the documentation.
Is there any method to calculate it?
In the netflow captured packets I can't see any pertinent info.
Any advice?
How did you setup your netflow export?
Thanks,
Nick
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