Configuration examples, Example for configuring nat, Network requirements – TP-Link Omada ER8411 VPN Router User Manual
Page 104: Network topology, Configuration scheme, 1 example for configuring nat

Configuring Transmission
Configuration Examples
User Guide 95
7
Configuration Examples
7.1 Example for Configuring NAT
7.1.1 Network Requirements
A company has two departments: Market Department and RD department. Each
department is assigned to an individual subnet. The company has the following
requirements:
1) The two departments need to access the internet via the same router.
2) The company has a web server which needs to be accessed by the users on the
internet.
7.1.2 Network Topology
Figure 7-1
Network Topology
Internet
L3 Switch
Web Server
Gateway
RD Department
172.16.10.0/24
Market Department
172.16.20.0/24
WAN1
LAN
192.168.0.10
192.168.0.20
123.1.1.3
7.1.3 Configuration Scheme
To meet the first requirement, configure static routing on the gateway to make sure
the router know where to deliver the packets to IP addresses in different subnets
(172.16.10.0/24, 172.16.20.0/24).
To meet the second requirement, add One-to-One NAT entry for the Web Server on the
router, thus the web server with a private IP address can be accessed at a corresponding