Chapter 10 Network Address Translation (NAT)

Figure 39 How NAT Works

NAT Table

LAN

 

 

 

 

 

 

 

 

 

 

 

 

Inside Local

 

Inside Public

 

 

 

 

 

 

 

IP Address

 

IP Address

192.168.1.13

192.168.1.10

 

1

 

192.168.1.11

 

2

 

 

 

 

192.168.1.12

 

3

 

 

 

 

192.168.1.13

 

4

 

192.168.1.12

 

 

 

 

 

 

 

 

 

 

SA

 

 

 

 

 

SA

 

 

 

 

 

192.168.1.10

 

 

 

 

 

1

 

WAN

 

 

 

 

Inside Local

Inside

Public

Address

Address

192.168.1.11 192.168.1.10

90

 

P-660R-T1 v3 User’s Guide