HP 7102dl - ProCurve Secure Router Configuration Manual page 305

translates the public IP address to the private IP address, it can also perform
port translation, assigning the traffic to the particular port used by the internal
device. (See Figure 6-4.)
Edge switch
Edge switch
Core switch
Web
server
192.168.1.2
192.168.1.10
Figure 6-4. One-to-One NAT with Port Translation
Configuring Network Address Translation
NAT Services on the ProCurve Secure Router
1b) NAT destination
address on incoming
requests for Web
server to 192.168.1.2,
port 80
ProCurve Secure
Router
2b) NAT
FTP
destination
server
address on
incoming
requests for
FTP server to
192.168.1.10,
port 21
1a Internet
user sends
request to
Web server
at 10.10.10.1
Internet
2a User sends
request to FTP
server at
10.10.10.1
6-7