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help w/ guest network multi LAN setup

post #1 of 2
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I will be moving to a new house soon with some friends and I want to set up a guest network for people that may come over. I don't want guest poking around using my network resources like file servers, printers, or running port scans or doing ARP poisoning on me (us).

I plan to use a linux disto as the OS on my server and the APs for wireless will run DDWRT.
Also, the fiber connection I will have at this house could be 80Mb/s, so I don't want to use a home wifi router, as it will likely choke the connection.
  • I intend to have a dedicated computer functioning as the gateway for the internet.
  • From there I want to connect an ethernet LAN plus access points for a private wireless network.
  • Another AP to function as the guest network with access to the internet only.
  • The two lans need to be seperated in a way that does not allow traffic to pass between them, but allows both to ne NATed to the internet. Can this be done with subnetting?
  • If two subnets are indeed required, what is the best way to assign address to clients on both networks? Would I need have two LAN NICs on my server in order to keep track of which network a client connects from?
Basically, I want to know the best to seperate two LANs. (I am thinking that each LAN will have to be connected to its own NIC on the server, and clients connecting from each would be assigned ip addressed on diferent subnets. Then the LANs would be NATed to the I'net.) Am I on the right track here?

I know this is a lot to ask, and I don't need a whole guide, but a few suggestions would help.
SFG II
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SFG II
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Core i7 920 Asus P6T Sapphire Radeon 6850 6GB Crucial DDR3 1333 
Hard DriveHard DriveHard DriveOS
OCZ Vertex 2 HITACHI Deskstar 5K3000 SAMSUNG EcoGreen F4 Linux Mint 12 
OSOSMonitorKeyboard
Windows 7 Home premium Backtrack 5 Dual 22" Samsung SyncMaster 2253LW Saitek Eclipse 
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post #2 of 2
Just make a VLAN for them...
    
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CPUMotherboardGraphicsRAM
Intel Overdrive 486DX4 100Mhz Digital Venturis 466 S3 Trio 32 1MB 68MB 72 Pin SIMMs 
Hard DriveOptical DriveOSMonitor
1.2Gb & 270Mb 32X CD-ROM Windows 98 SE LG 23" Flatron 
KeyboardPowerCaseMouse
Microsoft PS/2 Lite-On Digital Venturis 466 Logitech PS/2 
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