D-Link DFL-80 User Manual - Page 22

Multiple NAT

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Multiple NAT Multiple NAT allows the local port to set multiple subnetworks and connect with the internet through different external IP Addresses. For instance: the lease line of a company applies several real IP Addresses 168.85.88.0/24, and the company is divided into the R&D department, the service and sales department, the procurement department, and the accounting department. The company can distinguish each department by different subnetworks for convenient management. The settings are as follows 1.R&D department subnetwork:192.168.1.11/24 (Internal) 168.85.88.253 (External) 2.Service department subnetwork: 192.168.2.11/24 (Internal) 168.85.88.252 (External) 3.Sales deparment subnetwork: 192.168.3.11/24 (Internal) 168.85.88.251 (External) 4.Procurement department subnetwork 192.168.4.11/24 (Internal) 168.85.88.250 (External) 5.Accounting department subnetwork 192.168.5.11/24 (Internal) 168.85.88.249(External) The first department (the R&D department) was set while setting interface IP, the other four have to be added in Multiple NAT after completing the settings; each department uses a different WAN IP Address to connect to the Internet. The settings of each department are as follows Service IP Address:192.168.2.1 Subnet Mask: 255.255.255.0 Default Gateway: 192.168.2.11 The other departments are also set by groups, this is the function of Multiple NAT. 22

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22
Multiple NAT
Multiple NAT
allows the local port to set multiple subnetworks and connect
with the internet through different external IP Addresses. For instance: the lease
line of a company applies several real IP Addresses 168.85.88.0/24, and the
company is divided into the R&D department, the service and
sales department,
the procurement department, and the accounting department
. The company
can distinguish each department by different subnetworks for convenient
management. The settings are as
follows
1.R&D department subnetwork:192.168.1.11/24 (Internal) -
168.85.88.253 (External)
2.Service department s
ubnetwork: 192.168.2.11/24 (Internal) -
168.85.88.252 (External)
3.Sales deparment subnetwork: 192.168.3.11/24 (Internal) -
168.85.88.251 (External)
4.Procurement department subnetwork 192.168.4.11/24 (Internal) -
168.85.88.250 (External)
5.Accounting department subnetwork 192.168.5.11/24 (Internal) -
168.85.88.249(External)
Service
IP Address:192.168.2.1
Subnet Mask: 255.255.255.0
Default Gateway: 192.168.2.11
The other departments are also set by groups, this is the function of Multiple
NAT.
The first department (the R&D department) was set while setting interface IP,
the other four have to be added in Multiple NAT after completing the settings;
each department uses a different WAN IP Address to connect to the Internet.
The settings of each department are as follows