
Requirements For Network Address Translation in Remote Access Networks • Chapter 10 427
sends the packet to the Web server. This effectively converts the
server’s IP address from an inside global address to an inside local
address.
5. The Web server receives the packet and replies to Host D using
Host D’s destination address 192.168.2.1 and the Web server’s
source 10.1.1.1.
6. Upon receiving the packet, the router consults its NAT table and
determines that 10.1.1.1 is statically mapped to 192.168.1.1.
7. The router changes the source IP address to 192.168.1.1 and
leaves the destination IP address as 192.168.2.1.
8. Host D receives the packet and continues ...