Getting packets into a NAT network
Local | Global |
Default node gets all packets from internet from connection
s not |
originated |
192.168.1.1 | 192.168.1.0 | |
|
|
|
192.168.1.2 |
| Router/Gateway |
| running NAT | |
|
| |
192.168.1.3 |
| IP=10.1.2.3 |
|
| |
192.168.1.4 |
|
|
|
| |
10.1.2.3
internet
from |
subnet |
Default node is where all packets
192.168.1.5from internet that are not responses to packets from subnet are routed
to.
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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29 | ||
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