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2 LANs vs. 1 Internet Broadband Connection

Discussion in 'Cisco/Linksys Wireless Routers' started by Zingam, Mar 10, 2005.

  1. Zingam

    Zingam Network Guru Member

    I have 2 routers WRT54G and 3Com Office Connect (later I plan to add another WRT54G) and 1 unmanaged switch.

    I have 1 broadband connection.

    I have 2 LANs that have to stay separated but I need to connect them both to the only broadband connection? Is it possible to do that?

    Here is a diagram I have borrowed from another forum:


    INTERNET
    |
    |
    GATEWAY_1
    |
    +-------+--------+-----------+
    |.......|........|............|
    |.......|........|...........|<-----plugged into WAN port
    COMP_1a COMP_2a COMP_3a GATEWAY_2
    ..............................|
    .............................|
    +-------+--------+------------+
    |.......|........|...........|
    |.......|........|............|
    COMP_1b COMP_2b COMP_3b COMP_4b


    This is basically what I have now. I want that both groups of users don't see each others shared documents & printers but are able to use Internet.
     
  2. dabodude

    dabodude Network Guru Member

    I think you just need to put each LAN on different Workgroups. Or in diferent subnets, but you would have to make static routes between routers and set a the gateway for your secondary router to the primary. If you need more help just write me back.
     
  3. Zingam

    Zingam Network Guru Member

    Thank you in advance! I think I need more help.

    Router #1 is WRT54G I consider it more secure, that's why I'm connecting it to the broadband connection, Router #2 is 3Com OfficeConnect. Later I plan to add more APs to router #1.

    That way I don't really understand what I should do. When I try to set a different subnet mask than 255.255.255.0 on 3Com router I get: Invalid DHCP Pool; The addresses of IP pool need to be in the same subnet.

    Router #2 is currently aquiring its IP from Router #1 (WRT54G).
     

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