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We have a very scaleable network as we have the 16 port switch and wireless router, the ip’s listed are static for firewall reasons (port forwarding). The switch can be easily removed for lan partys w/o affecting the network because my pc is going with the switch, the 2 cables from the switch run from downstairs (about 50ft of cable) to upstairs so the diagram is obviously not to scale. The router runs wpa-psk (tkip) encryption so my network is faily secure.