ZyXEL FSG2200HNU User Guide - Page 131
NAT Application, Corporation B
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Chapter 8 Network Address Translation (NAT) 8.3.4 NAT Application The following figure illustrates a possible NAT application, where three inside LANs (logical LANs using IP alias) behind the ZyXEL Device can communicate with three distinct WAN networks. Figure 50 NAT Application With IP Alias Corporation B LAN2: 192.168.1.X Network Server "Admin=192.168.1.1 Corporation A Server in Admin Network =IP1 (IGA 1) NAT Server 192.168.1.1 LAN2: 192.168.2.X Network Server "Sales"=192.168.2.1 NAT Server 192.168.2.1 Server in Sales Network =IP2 (IGA 2) LAN3: 192.168.3.X Network Server "R&D"=192.168.3.1 NAT Server 192.168.3.1 Server in R&D Network =IP3 (IGA 3) WAN Addresses: LAN Addresses: (Default IPs) IGA 1 192.168.1.1 IGA 2 192.168.2.1 IGA 3 192.168.3.1 FSG2200HNU User's Guide 131