Instruction Manual

22
Multiple NAT
Multiple NAT allows local port to set multiple subnetworks and connect with the Internet
through different WAN IP Addresses.
For instanceThe lease line of a company applies several real IP Addresses 168.85.88.0/24and
the company is divided into R&D department, service, sales department, procurement
department, accounting department, the company can distinguish each department by
different subnetworks for the purpose of convenient Manager. The settings are as the
following
1.R&D department subnetwork192.168.1.11/24(Internal) #$ 168.85.88.253(WAN)
2. Service department subnetwork192.168.2.11/24(Internal) #$ 168.85.88.252(WAN)
3.Sales department subnetwork 192.168.3.11/24(Internal) #$ 168.85.88.251(WAN)
4.Procurement department subnetwork 192.168.4.11/24(Internal) #$ 168.85.88.250(WAN)
5.Accounting department subnetwork 192.168.5.11/24(Internal) #$ 168.85.88.249(WAN)
The first department(R&D department) was set while setting interface IP, the other four ones
have to be added in Multiple NATafter completing the settings, each department use the
different WAN IP Address to connect to the Internet. The settings of each department are as
the following
Service IP Address192.168.2.1
Subnet Mask255.255.255.0
Default Gateway192.168.2.11
The other departments are also set by groups, this is the function of Multiple NAT.