User's Manual

Chapter 9 Network Address Translation (NAT)

P-2612HW Series User’s Guide

181

and port numbers so incoming reply packets can have their original values

restored. The following figure illustrates this.

Figure 117 How NAT Works

192.168.1.13

192.168.1.10

192.168.1.11

192.168.1.12

192.168.1.10

IGA1

Inside Local

IP Address

192.168.1.10

192.168.1.11

192.168.1.12

192.168.1.13

Inside Global

IP Address

IGA 1

IGA 2

IGA 3

IGA 4

NAT Table

Internet

WAN

LAN

Inside Local

Address (ILA)

Inside Global

Address (IGA)