[RFC] Enabling IPFIREWALL_FORWARD in run-time
Zamri Besar
zam4ever at gmail.com
Fri Oct 19 11:47:11 UTC 2012
On Oct 19, 2012 7:25 PM, "Andrey V. Elsukov" <ae at freebsd.org> wrote:
>
> Hi All,
>
> Many years ago i have already proposed this feature, but at that time
> several people were against, because as they said, it could affect
> performance. Now, when we have high speed network adapters, SMP kernel
> and network stack, several locks acquired in the path of each packet,
> and i have an ability to test this in the lab.
>
> So, i prepared the patch, that removes IPFIREWALL_FORWARD option from
> the kernel and makes this functionality always build-in, but it is
> turned off by default and can be enabled via the sysctl(8) variable
> net.pfil.forward=1.
>
> http://people.freebsd.org/~ae/pfil_forward.diff
>
> Also we have done some tests with the ixia traffic generator connected
> via 10G network adapter. Tests have show that there is no visible
> difference, and there is no visible performance degradation.
>
> Any objections?
>
> --
> WBR, Andrey V. Elsukov
>
This is what I want many years ago too... ;)
I vote for "yes"
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