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getting two LANs on one WAN

Discussion in 'Networking (Hardware & Software)' started by Hotaru, 2006/10/15.

  1. 2006/10/15
    Hotaru

    Hotaru Well-Known Member Thread Starter

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    I have a wired router I have been using a little over 5 years now. My computers are at 192.168.100.0/24 using static IPs with the router itself at .254. My DSL service uses PPPoE.

    I want to get a Nintendo DS, and that will force me to put wireless into the mix. I can't use Nintendo's own USB adapter because it is for XP only while I intend to remain with 2000 + Linux and FreeBSD. But if I could use it, it supports Bluetooth-style pairing with your DS. I have also been told a USB wireless NIC costs almost as much as a router, yet suffers from low power and greater susceptibility to interference.

    So here's my plan. I have tentatively picked the Buffalo WHR-HP-G54 for a wireless router. I will connect its WAN port to one of my wired router's ports. I will then configure the wireless router's WAN to a static IP of 192.168.100.37/24 with a gateway of 192.168.100.254. If necessary, I'll make .37 the wired router's DMZ IP. The DS allows for static IPs, so I will disable the Buffalo's DHCP server and let the DS become 192.168.37.37/24 using 192.168.100.37 as its gateway. (Those 37's were specially chosen. That's "DS" on a telephone.) Objective 1: Existing PCs and the DS can reach the Internet. Objective 2: Anything hitting the wireless (including the DS itself) can't reach the PC's.

    Is the above plan sufficient to meet the stated objectives?
     
    Hotaru,
    #1
  2. 2006/10/15
    Scott Smith

    Scott Smith Inactive Alumni

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    Why make it so complicated?

    Go into the Buffalo turn off DHCP, give the device a specific IP in your existing subnet and Plug a LAN port of the buffalo to a LAN port of your existing Router and Presto you have a switch and an acces point.
     
    Scott Smith,
    #2


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  4. 2006/10/15
    Hotaru

    Hotaru Well-Known Member Thread Starter

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    Remember my stated objectives.

    I am still rather wary of wireless, so I want to treat the wireless as more or less an untrusted network, as isolated as practicable from my existing LAN.

    My DSL provider won't let me have a second IP from them, or I would separate them that way.
     
    Hotaru,
    #3
  5. 2006/10/15
    Jason Qi

    Jason Qi Inactive

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    Your solution is ok.

    For security purpose, you need a powerful router(wired for your case) to do IPsec jobs instead of making it complexity. At this point, I second Scott.
     
    Jason Qi,
    #4
  6. 2006/10/15
    TonyT

    TonyT SuperGeek Staff

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    You don't need to get a second router. Get a wireless access point. That's the wireless w/out the router. I use an 8 port linksys router (wired) and a netgear access point. I setup the AP with a static ip address plugged into one of the router ports. I let the router handle dhcp, even via the AP when necessary.

    Just be sure to set SSID broadcast to disabled and set up WPA2 security in the AP. I run Etch on my laptop & if I run Kismet I can view ALL wifi traffic from ALL wifi nets in range, and easily acertain 128 bit WEP security keys in less than an hour, thus use WPA2 security to be safe.
     
    TonyT,
    #5
  7. 2006/10/15
    Hotaru

    Hotaru Well-Known Member Thread Starter

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    The DS probably does not support all of that. SSID off is supported, and MAC filtering is supported. 128-bit WEP is supported, though they recommend 64-bit -- and it must be key #1 if the router allows multiple keys. I can't find anything about WPA2 support, so I doubt the DS has it. The DS also supports only "b ", not "g ". They say nothing about WAP support.

    Everything is documented at http://www.nintendowifi.com/ .
     
    Hotaru,
    #6
  8. 2006/10/16
    Scott Smith

    Scott Smith Inactive Alumni

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    Found this on the DS site:

     
    Scott Smith,
    #7

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