Hi,
The scenario is like,
There is a system, which has a LAN interface with ip 192.168.1.1/32
and a WAN interface with ip, let's say, 10.0.0.1/32.
There are some nat rules in nat table, trying to map traffic from
{src:192.168.1.1:5000, dst:192.168.1.1:6000} to {src:10.0.0.1:6000,
dst:10.0.0.2:5000}.
Will this nat rules take effect on this local ip traffic?
I mean if an application send a ip traffic with src:192.168.1.1:5000
and dst:192.168.1.1:6000. Was nat rule supposed to be applied to
change it to an ip traffic with src:10.0.0.1:6000 and
dst:10.0.0.2:5000? or the system just send the ip traffic to
192.168.1.1:6000 directly without nat rules taking effect.
In my system, it seems like nat rules didn't apply to the traffic,
because another application on the other system with ip 10.0.0.2
didn't receive any traffic on port 5000. But I'm not sure if other
factors impact this, making it looks like the nat rules never be
applied.
Thanks
Sean Feng
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