3Com MSR 50 Series Configuration Manual page 1824

1824 C 96: NAT C
HAPTER ONFIGURATION
Network diagram
Figure 529 NAT network diagram
10.110.10.1/16 10.110.10.2/16
FTP server WWW server 1
Host A
10 .110 .10.100/16
Configuration procedure
# Configure an address pool and an ACL.
<Router> system-view
[Router] nat address-group 1 202.38.160.100 202.38.160.105
[Router] acl number 2001
[Router-acl-basic-2001] rule permit source 10.110.10.0 0.0.0.255
[Router-acl-basic-2001] rule deny source 10.110.0.0 0.0.255.255
[Router-acl-basic-2001] quit
# Apply NAT to 10.110.10.0/24 only
[Router] interface Serial 1/0
[Router-Serial1/0] nat outbound 2001 address-group 1
# Configure the internal FTP server.
[Router-Serial1/0] nat server protocol tcp global 202.38.160.100 ins
ide 10.110.10.1 ftp
# Configure the internal WWW server 1.
[Router-Serial1/0] nat server protocol tcp global 202.38.160.100 ins
ide 10.110.10.2 www
# Configure the internal WWW server 2.
[Router-Serial1/0] nat server protocol tcp global 202.38.160.100 808
0 inside 10.110.10.3 www
# Configure the internal SMTP server.
10 .110 .10.3/16
WWW server 2
Host B
10.110.10.101/16
Internet
Host C
10.110.10.4/16
SMTP server
Router
Vlan-int10