Source IP Source Port Destination IP Destination Port 10.1.1.1 1056 172.16.1.1 80 Source IP Source Port Destination IP Destination Port 172.16.1.1 80 10.1.1.1 1056 Node A Node B 10.1.1.1 172.16.1.1 Local Network A Internet Local Network B 10.1.1.0/24 172.16.0.0/24 Send traffic to host 10.1.1.1 Send traffic to network 10.1.1.0/24