[ovs-dev] [PATCH v3] conntrack: document all-zero IP SNAT behavior and add a test case

Aaron Conole aconole at redhat.com
Fri May 7 17:45:58 UTC 2021


Eelco Chaudron <echaudro at redhat.com> writes:

> Currently, conntrack in the kernel has an undocumented feature referred
> to as all-zero IP address NULL SNAT. Basically, when a source port
> collision is detected during the commit, the source port will be
> translated to an ephemeral port. If there is no collision, no SNAT is
> performed.
>
> This patchset documents this behavior and adds a self-test to verify
> it's not changing.
>
> Signed-off-by: Eelco Chaudron <echaudro at redhat.com>
> ---

Acked-by: Aaron Conole <aconole at redhat.com>



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