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    Noob Question :: Interfaces with same IP Range

    Scheduled Pinned Locked Moved General pfSense Questions
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    • P
      Panic0815
      last edited by

      Hi!

      I knew this was covered a few times but i do not find a solution for my case so maybe you guys can help.
      I am trying to evaluate pfSense for my private network because i wanna use static routes or QoS for some traffic with my 2 different ISP.

      So i did now setup a VMWare with 3 NIC bridged to my PC NIC what works good so far.
      The Range i am Working on is 192.168.0.X.
      What i am trying to do is the following:
      Interface:
      LAN - IP: 192.168.0.200 - Gateway: None
      WAN_1 - IP: 192.168.0.201 - Gateway: 192.168.0.100
      WAN_2 - IP: 192.168.0.202 - Gateway: 192.168.0.101

      So the Gateways are both up and running and work fine (2 physical routers).
      But if i try to save the above configuration it keeps saying: "IPv4 address … is being used by or overlaps with..."
      What i learned from other threads is that this is because of the IP range...
      But how am i able to do the setup i want to?
      Do i have to move the routers/gateways to a complete different range?

      I am not that super network guy but from a simple technical point of view i think it should work in the same range since the IP is not used multiple times and on one range multiple interfaces should be able to live in peace because they have different addresses :)

      Regards
      Panic

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      • johnpozJ
        johnpoz LAYER 8 Global Moderator
        last edited by

        you have your wan and lan on the same network??  Yeah its borked.. ;)

        So you have 2 different isp routers that use the same network as well?  If you want 2 wan connection from 2 different isp routers, use different networks.  And your lan needs to be a different network than either of those as well.

        An intelligent man is sometimes forced to be drunk to spend time with his fools
        If you get confused: Listen to the Music Play
        Please don't Chat/PM me for help, unless mod related
        SG-4860 24.11 | Lab VMs 2.8, 24.11

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        • P
          Panic0815
          last edited by

          Thx for the fast reply.
          OK so if i do this i maybe have to relocate stuff…

          Just thinking:
          At the moment both routers are running of the same switch, so if i simply give each of them a new IP from another range deactivate DHCP on the one serving as DHCP Server right now activate DHCP within pfSense it should work?!
          I think/hope so :)

          Thing is i have a Windows server running that can run pfSense but that one has not so many physical NIC´s and also is located at an odd spot...
          So i really like to keep the physical setup and just play around with settings. :)

          By the way:
          If you wonder why i have 2 ISP with 2 routers at the same network.
          One is fast but with high latency thats used for downloads and stuff, one is "slow" but with lightning fast latency and stability thats used for work and games.
          I am switching Gateway to the "slow" one manually by simply editing network settings on my work and game machine :)

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          • johnpozJ
            johnpoz LAYER 8 Global Moderator
            last edited by

            what switch, can it do vlans?

            An intelligent man is sometimes forced to be drunk to spend time with his fools
            If you get confused: Listen to the Music Play
            Please don't Chat/PM me for help, unless mod related
            SG-4860 24.11 | Lab VMs 2.8, 24.11

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            • P
              Panic0815
              last edited by

              Just an basic Netgear one.
              Something like that:
              https://www.amazon.com/NETGEAR-Ethernet-Lifetime-Replacement-Unmanaged/dp/B00MPVR50A/ref=sr_1_1?ie=UTF8&qid=1494872740&sr=8-1&keywords=netgear+8port+switch

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              • johnpozJ
                johnpoz LAYER 8 Global Moderator
                last edited by

                Well that is useless switch.. Either get a 2nd dumb switch or get a smart one that support vlans so you can isolate your 2 wan connections and put them on different networks.. Why do you have them connected to a switch anyway.  Can you not just directly connect your isp device to pfsense interface?

                If possible bridge this isp device so you directly get a public IP on pfsense.  Or use 2 different transit networks..

                BTW - work updated to visio 2013, wow the icons are ugly ;)

                2wans.png
                2wans.png_thumb

                An intelligent man is sometimes forced to be drunk to spend time with his fools
                If you get confused: Listen to the Music Play
                Please don't Chat/PM me for help, unless mod related
                SG-4860 24.11 | Lab VMs 2.8, 24.11

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