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    Solved Newbie: Setup pfsense with gateway on different subnet

    Installation and Upgrades
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    • M
      mxavierr
      last edited by

      Our new ISP has issued us a full class C network with an out of the ordinary config.  Network config as followed:
      Usable public IP’s  216.XXX.XXX.1-254
      Subnet 255.255.255.0
      Default GW 65.xxx.xxx.197/30
      I have setup the Wan interface as follows:
      IP 216.xxx.xxx.1
      Subnet 255.255.255.0
      GW 65.xxx.xxx.197
      The LAN interface is working ok I can access the server but that’s a far as I get.  I cannot access the internet.
      I used the wizard to setup pfsense, could someone please advise as to what needs to be done to enable internet access.
      Internet
      |
      |
      WAN (IP 216.xxx.xxx.1 SN 255.255.255.0 GW 65.XXX.XXX.197)
      |
      Pfsense server
      |
      LAN (IP 172.16.0.1 SN 255.255.255.0)
      |
      Local lan
      Thanks in advance

      Manuel

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      • M
        mhab12
        last edited by

        I would suspect that 216.xxx.xxx.1 should be the gateway on YOUR side.  The gateway address they gave you is for their equipment.  We have a similar setup, and in communicating with our carrier (XO) they intermittently swap the meaning of 'gateway' to mean our gateway (their dual t-1 router on premises) with their gateway (who knows what or where, somewhere upstream).

        Try setting your gateway as 216.xxx.xxx.1/24
        Set your wan IP as whatever you want between 216.xxx.xxx.2-254

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        • M
          mxavierr
          last edited by

          Thanks for the reply mhab12.

          I tried your suggested configuration but it doesn't work.  I tried using 216.xxx.xxx.1 and 216.xxx.xxx.254 as the gateway but no internet connectivity.  I actually configured a Clarkconnect box to test it and it works with the odd gateway.  I have been playing with this for about a week now and it is really getting frustrating.  Thanks again for your suggestion and anymore help you maybe able to provide.

          Manuel

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          • M
            mhab12
            last edited by

            What WAN IP and subnet mask are you using when Clarkconnect was working?  I assume you entered the gateway as 65.xxx.xxx.197?

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            • M
              mxavierr
              last edited by

              The WAN IP was 216.XXX.XXX.1, subnet 255.255.255.0 and gw 65.XXX.XXX.1, I was surprised it worked like that.  I just got off the phone with XO and they didn't send me all the info with the original config email.  First off I needed to put a router inplace between the XO modem and pfsense with the correct info.  Here is what I needed to do to resolve it:

              Internet
              |
              XO modem
              |
              WAN ( IP 65.XXX.XXX.198 Subnet 255.255.255.252 GW 65.XXX.XXX.197)
              Cisco 2600
              Public LAN (IP 216.XXX.XXX.1)
              |
              WAN (216.XXX.XXX.2 subnet 255.255.255.0 GW 216.XXX.XXX.1)
              pfsense
              LAN (IP 172.16.0.1 Subnet 255.255.255.0)
              |
              Local LAN

              So in actuality your hit the nail on the head with your first reply.  Once XO updated me with the complete info I was good to go.

              Thanks for your assistance.

              Manuel

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              • M
                mhab12
                last edited by

                Too funny that we both have XO…I'm jealous of your Cisco 2600, a slight improvement over our XO provided Nortel / Tasman 1002 with one dead LAN port (luckily there are two available).

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                • M
                  mxavierr
                  last edited by

                  Yes it is.  I actually had an extra 2600 router here that I tossed in between the XO Hatteras modem and pfsense.  I was initially trying to connect pfsense directly to the the Hatterras box.  Like I mentioned in my previous post I was surprised CC worked like that.

                  Thanks again for your guidance fellow XO user!!

                  Manuel

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