Re: 10G interfaces packet drops

Emanuele Faranda <[email protected]> Mon, 4 Feb 2019 12:38:27 +0100
Newsgroups gmane.linux.ntop.general
Message-ID <[email protected]>
Hi Marco,

Please replace "ens2" with "zc:ens2". Check out 
https://www.ntop.org/ntopng/best-practices-for-running-ntopng/ for more 
info.

Regards,

Emanuele

On 2/4/19 12:29 PM, Marco Pirovano wrote:
> Hello,
>
> we are using NTOPNG to monitor our 10G link to internet.
> We are using an Arista switch in Tap Aggregation mode to send traffic to NTOPNG server.
>
> The traffic is about 2Gbps and we see several dropped packets:
>
>    Received Traffic  157.47 GB [292,586,873 Pkts] 	Dropped Packets	25,637,433 Pkts [ 8.06 % ]
>
> I've configured PF_RING ZC, the interface is an Intel 82599, ixgbe driver.
>
> ixgbe.conf configuration:    RSS=4,4,4,4
>
> pf_fing.conf configuration:  min_num_slots=65536
>
> ntopng.conf  configuratrion:
>
> #
> -i=ens2
> #
> -w=3000
> #
> -m=10.0.0.0/8,193.205.23.0/24
> #
> -n=1
> #
> -d=/var/lib/ntopng
> #
> -x=150000
> #
> -X=1000000
> #
>
>
> What do I need to setup correctly to see less dropped packets ?
>
> Thank you very much.
> Marco
>