[Oisf-users] Suricata Multiple Interfaces

[Kevin Branch]

I've used Suricata on 5 interfaces at once with good results, actually a
separate instance per interface and multiple threads per instance, but all
on the same physical box.  I don't think the main limit is interface count
but raw traffic volume to be processed.  If you have
enough memory and cores to spread around, and your rule set is trimmed down
well and your BPF filters are tuning out waste noise, you can do quite a
bit of Suricata monitoring on a single box.  Keep an eye on packet loss at
the kernel and PF_RING levels, as well as CPU and memory utilization levels.

Kevin

On Tue, Nov 20, 2018 at 5:22 PM Jordon Carpenter <
jordon.carpenter at rooksecurity.com> wrote:

> Is there a limit on the amount of interfaces Suricata can Monitor? I have
> done two and have been successful, but needing to bump it up to 3.
> Currently using pf_ring and Suricata 4.1.
>
>
> *Thanks,Jordon Carpenter*
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