Cisco ASA 5505 Configuration Manual page 515

Chapter 26 Information About NAT
Figure 26-14
10.1.2.27
Figure 26-15
a single host for both web services and Telnet services. When the host accesses the server for web
services, the real address is translated to 209.165.202.129. When the host accesses the same server for
Telnet services, the real address is translated to 209.165.202.130.
Figure 26-15
10.1.2.27:80
OL-20339-01
Twice NAT with Different Destination Addresses
Server 1
209.165.201.11
209.165.201.0/27
Translation
209.165.202.129
Inside
Packet
Dest. Address:
209.165.201.11
10.1.2.27
shows the use of source and destination ports. The host on the 10.1.2.0/24 network accesses
Twice NAT with Different Destination Ports
Web and Telnet server:
209.165.201.11
Translation
209.165.202.129
Web Packet
Dest. Address:
209.165.201.11:80
Server 2
209.165.200.225
209.165.200.224/27
DMZ
Translation
10.1.2.27 209.165.202.130
10.1.2.0/24
Packet
Dest. Address:
209.165.200.225
Internet
Translation
10.1.2.27:23
Inside
10.1.2.0/24
Telnet Packet
Dest. Address:
209.165.201.11:23
10.1.2.27
Cisco ASA 5500 Series Configuration Guide using ASDM
How NAT is Implemented
209.165.202.130
26-17