Why do you use a cluster?

On 03/06/2014 08:10 AM, Norbert Furlani wrote:
> Hi,
>
> I've downloaded and compiled the latest svn PF_RING and snort (2.9.6.0).
>
> pf_ring kernel module loaded (ransparent_mode=0 min_num_slots=32768
> enable_tx_capture=0)
>
> $ cat /proc/net/pf_ring/info
> PF_RING Version          : 5.6.3 ($Revision: exported$)
> Total rings              : 2
>
> Standard (non DNA) Options
> Ring slots               : 32768
> Slot version             : 15
> Capture TX               : No [RX only]
> IP Defragment            : No
> Socket Mode              : Standard
> Transparent mode         : Yes [mode 0]
> Total plugins            : 0
> Cluster Fragment Queue   : 0
> Cluster Fragment Discard : 0
>
>
>  and snort executed as follows (no rules):-
>
> # /usr/local/bin/snort  -A console --daq-dir=/usr/local/lib/daq --daq
> pfring  --daq-var fast-tx=1 --daq-var clusterid=10,11 --daq-var
> bindcpu=3 -i eth8:eth9 -Q
>
> I have one host connected on eth8 and one on eth9. When I ping one
> host from the other, I see the packet header in the console and the
> ICMP replies are received, however the RTTs are over 1000ms. ssh or
> ftp across the link is unusable.
>
> By comparison, if I use afpacket daq, performance is excellent.
>
> On a side note, if I invoke another instance of snort using pf_ring, I
> do not see a load balance of packets either.
>
> Anyone have similar problems? I'm thinking of trying ubuntu 13.10 to
> see if it makes any difference.
>
>
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