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Assign computers behind pfsense to WAN interfaces

Scheduled Pinned Locked Moved NAT
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  • L
    lithgow
    last edited by Apr 28, 2008, 2:11 PM

    I tried to setup 1:1 NAT

    My router ip is 78...105 and the ip I was wanting one of my computers to be was 78...110. In 1:1 NAT I set ip to 78...110/32 forwards to 192.168.0.220/32 but this didn't allow any traffic out from the computer, on deleting the entry it was working again.

    What have I done wrong?

    ps. I was told my connection is on the /29 allocation

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    • G
      GruensFroeschli
      last edited by Apr 28, 2008, 3:54 PM

      Can you show screenshots of all the pages that are relevant?
      (1:1 NAT, VIP, firewall WAN and LAN)
      Are you using Advanced outbound NAT?

      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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      • L
        lithgow
        last edited by Apr 28, 2008, 7:04 PM

        I'm using Automatic outbound NAT rule generation (IPsec passthrough).

        When I tried to add a CARP VIP it informed me that I can't set that ip as its not on the same subnet.

        I currently have 2 modems DMZ'd to my pfsense box, I do have the option of half-bridge but I don't think I am able to see modem status when I set this option which is the main reason I do not use it.

        Thanks again for your help :)

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        • G
          GruensFroeschli
          last edited by Apr 28, 2008, 8:04 PM

          Like now it wont work because your 1:1 NATing an IP that does not exist.
          –> You need to create a VIP which will be used in the 1:1 NAT rule.

          Can you set the CARP-VIP again and show a screenshot of how you set it up?
          Please be aware (there is a note on the config page too) that if you configure a CARP-VIP you have to set the correct subnet.
          NOT /32

          (also if you search the forum for this exact problem you will find http://forum.pfsense.org/index.php/topic,9057.0.html in which i wrote the solution to this problem just a few days ago)

          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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          • L
            lithgow
            last edited by Apr 28, 2008, 10:22 PM

            I had a look at the thread and tried to setup the VIP but I had the same problem that I had earlier…

            The following input errors were detected:

            * Sorry, we could not locate an interface with a matching subnet for 78.32.215.110/29. Please add an ip in this subnet on a real interface.

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            • G
              GruensFroeschli
              last edited by Apr 28, 2008, 10:31 PM

              How is your WAN set up?
              Are you using the pfSense to authenticate the PPPoE?
              Because this would be a Problem: PPPoE WAN's are /32 IP's.
              Meaning you cannot have a CARP-Type VIP on such a WAN.

              Try using a PARP-type VIP.

              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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              • L
                lithgow
                last edited by May 5, 2008, 12:08 PM

                Router 1 192.168.1.1  -> eth1 192.168.1.4 (DMZ) -> WAN1
                Router 2 192.168.10.1 -> eth2 192.168.10.4 (DMZ) -> WAN2

                I'm not using it to do pppoe.

                I tried a PARP VIP but this had the same effect of no Internet access on the computer I assigned the ip to.

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                • H
                  hoba
                  last edited by May 5, 2008, 7:30 PM

                  Reboot the device in front of the ProxyARP IP or dump it's ARP cache. Often it's just an ARP issue of the device in front of you when adding/changing virtual IPs.

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                  • L
                    lithgow
                    last edited by May 6, 2008, 9:00 PM

                    Unfortunately that didn't work either :(

                    So I don't really know whats going wrong here, would it work if I used pppoe? The only issue I have with that is I can't see my modems config pages and can't check what speed on the dsl I'm getting :(

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                    • L
                      lithgow
                      last edited by Jun 3, 2008, 8:47 AM

                      I am still getting this problem, I don't know if anyone can help…

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