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    Basic LAN & OPT1 configuration

    General pfSense Questions
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    • M
      meazz1 last edited by

      Both my scenario 1 & 2 does not work.
      Only one works is the #3 option. I would like #2 to work. Let me know if I am on right track with
      #2 setup,so that I can focus on rules and other options.
      I am using pfsense 1.2.3 on a CF module with an alix2 board.

      Scenario #1
      –--------

      Wan DHCP
      LAN 192.168.1.1
      OPT1 192.168.1.2

      DHCP server:
      LAN ip range 192.168.1.20 - 192.168.1.30
      OPT1 ip range 192.168.1.31 - 192.168.1.40

      Rules:
      LAN: allow all in lan subnet
      OPT1: allow all in OPT1 subnet

      Scenario #2

      WAN: DHCP
      LAN: 192.168.1.1
      OPT1: bridge with LAN

      DHCP server
      LAN; ip range 192.168.1.10 192.168.1.20

      Rules:
      LAN: Allow all in lan subnet

      Scenario #3

      Wan DHCP
      LAN 192.168.1.1
      OPT1 192.168.0.1

      DHCP server:
      LAN ip range 192.168.1.20 - 192.168.1.30
      OPT1 ip range 192.168.0.10 - 192.168.0.30

      Rules:
      LAN: allow all in lan subnet
      OPT1: allow all in OPT1 subnet

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      • GruensFroeschli
        GruensFroeschli last edited by

        #1 Will never work because you have the same subnet on both interfaces.

        #2 Can work if you create the correct rules on the OPT interface.
        Search the forum for what rules are needed to have a working DHCP with a bridge.

        #3 Is imo the proper way to set a network up and you should do it like this.

        We do what we must, because we can.

        Asking questions the smart way: http://www.catb.org/esr/faqs/smart-questions.html

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        • M
          meazz1 last edited by

          @GruensFroeschli:

          #1 Will never work because you have the same subnet on both interfaces.

          #2 Can work if you create the correct rules on the OPT interface.
          Search the forum for what rules are needed to have a working DHCP with a bridge.

          #3 Is imo the proper way to set a network up and you should do it like this.

          thanks for your advise.
          I will stick to #3 setup.

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          • U
            unsichtbarre last edited by

            In the case of Scenario #3 (above), what do you specify as the OPT 1 gateway? Is it the DHCP assigned IP for WAN, the gateway for WAN?

            Thx-
            -J

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            • K
              kpa last edited by

              Nothing because the gateway address is only used when the interface is a WAN type interface, in scenario #3 it's a second LAN and no gateway address is needed.

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