Nat Server For External-To-Internal Access Configuration Example - HP FlexNetwork MSR2003 Configuration Manual

Source
Destination IP/port: 202.38.1.3/1025
DS-Lite tunnel peer: -
VPN instance/VLAN ID/VLL ID: -/-/-
Protocol: TCP(6)
Inbound interface: GigabitEthernet2/0/2
State: TCP_ESTABLISHED
Application: HTTP
Start time: 2012-08-15 14:53:29
Initiator->Responder:
Responder->Initiator:
Total sessions found: 1
NAT Server for external-to-internal access configuration
example
Network requirements
As shown in
network to provide services for external users. The internal network address is 10.110.0.0/16. The
company has three public IP addresses from 202.38.1.1/24 to 202.38.1.3/24.
Configure the NAT Server feature to allow the external user to access the internal servers with public
address 202.38.1.1/24.
Figure 66 Network diagram
Configuration procedure
# Specify IP addresses for the interfaces on the router. (Details not shown.)
# Enter interface view of GigabitEthernet 2/0/2.
<Router> system-view
[Router] interface gigabitethernet 2/0/2
# Configure NAT Server to allow external users to access the FTP server by using the address
202.38.1.1 and port 21.
[Router-GigabitEthernet2/0/2] nat server protocol tcp global 202.38.1.1 21 inside
10.110.10.3 ftp
# Configure NAT Server to allow external users to access the Web server 1 by using the address
202.38.1.1 and port 80.
IP/port: 192.168.1.10/8080
Figure 66, two Web servers, one FTP server and one SMTP server are in the internal
TTL: 3597s
7 packets 308 bytes
5 packets 312 bytes
147