R2511-HP MSR Router Series Layer 3 - IP Services Configuration Guide(V5)

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Common internal server configuration example
Network requirements
As shown in Figure 60, a company provides two Web servers, one FTP server, and one SMTP server for
external users to access. The internal network address is 10.110.0.0/16. The internal address for the FTP
server is 10.110.10.3/16, for Web server 1 is 10.110.10.1/16, for Web server 2 is 10.110.10.2/16, and
for the SMTP server is 10.110.10.4/16. The company has three public IP addresses in the range of
202.38.1.1/24 to 202.38.1.3/24. Specifically, the company has the following requirements:
• External hosts can access internal servers with public address 202.38.1.1/24.
• Port 8080 is used for Web server 2.
Figure 60 Network diagram
Configuration procedure
# As shown in Figure 60, configure IP addresses for the interfaces. (Details not shown.)
# Enter interface GigabitEthernet 1/2 view.
<Router> system-view
[Router] interface gigabitethernet 1/2
# Configure the internal FTP server.
[Router-GigabitEthernet1/2] nat server protocol tcp global 202.38.1.1 21 inside
10.110.10.3 ftp
# Configure the internal Web server 1.
[Router-GigabitEthernet1/2] nat server protocol tcp global 202.38.1.1 80 inside
10.110.10.1 www
# Configure the internal Web server 2.
[Router-GigabitEthernet1/2] nat server protocol tcp global 202.38.1.1 8080 inside
10.110.10.2 www
# Configure the internal SMTP server.
[Router-GigabitEthernet1/2] nat server protocol tcp global 202.38.1.1 smtp inside
10.110.10.4 smtp
[Router-GigabitEthernet1/2] quit
FTP server
10.110.10.3/16
Web server 1
10.110.10.1/16
Web server 2
10.110.10.2/16
SMTP server
10.110.10.4/16
Host
Internet
GE1/1
10.110.10.10/16
GE1/2
202.38.1.1/24
Router