Freescale Semiconductor TWR-MCF52259-Ethenet User Manual page 30

Local
192.168.1.1
Default
node gets
all packets
192.168.1.2
from
internet
192.168.1.3
from
connection
s not
192.168.1.4
originated
from
192.168.1.5
subnet
If the connection originates from the internet ( like connecting to a web
server on an embedded device ) NAT has a default node.
The default node is defined in the router/gateway.
Some routers/gateways always default to x.x.x.1
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Getting packets into a NAT network
192.168.1.0
Router/Gateway
running NAT
IP=10.1.2.3
Default node is where all packets
from internet that are not responses
to packets from subnet are routed
to.
Global
10.1.2.3
29
internet
TM