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    Recommendations for my pfsense setup with 5 nics

    Scheduled Pinned Locked Moved General pfSense Questions
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    • J
      Jarhead @Teke
      last edited by

      @teke said in Recommendations for my pfsense setup with 5 nics:

      @bingo600
      I read a bunch of how to's and watch a few videos on how to set this up and they all say not to put in a default gateway even though I know that you need one to route. I was thinking this was because I have no WAN connected yet??

      Where exactly are you referring to about the gateway?
      If you're talking about the LAN interface, then no, don't put one in.
      Are you talking about the switch??

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      • J
        Jarhead @Teke
        last edited by

        @teke said in Recommendations for my pfsense setup with 5 nics:

        @jarhead said in Recommendations for my pfsense setup with 5 nics:

        @teke
        The DHCP server has nothing to do with the WAN.

        Post screenshots of pfSense config's. All interfaces, all firewall rules.
        I will post shortly.

        Chances are this is a switch problem so if you can, connect the laptop and a pc directly to the pfSense interfaces and test from there to prove it.
        I have 2 laptops connected directly to the pfSense box.
        Laptop 1 plugged into Lan
        Laptop 2 plugged into OPT2
        They both get an IP but they can't ping each other.

        Show pics of your rules as I asked earlier.
        Show the ipconfig of the laptops.

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        • jimpJ jimp moved this topic from Problems Installing or Upgrading pfSense Software on
        • T
          Teke @Jarhead
          last edited by

          @jarhead
          I've reinstalled pfSense just incase I messed something up.
          During the install I choose my WAN (RE0)
          I also manually chose my LAN as BCE0
          I then added all OPT ports
          LAN has the default 192.168.1.1/24 as the IP address.
          When running ipconfig on my windows box this is what I get.defaultIPConfig.JPG

          No Gateway. Is this supposed to have a gateway right after install?

          I really appreciate all of the help so far. I just don't know this product yet but I'm getting a crash course.

          johnpozJ J 2 Replies Last reply Reply Quote 0
          • johnpozJ
            johnpoz LAYER 8 Global Moderator @Teke
            last edited by

            @teke yeah it should be handing out the gateway out of the box for the lan interface you enabled dhcp on.. So unless you put in "none" in the box I posted above.

            If me I would do a sniff of the dhcp, and look to see if the dhcp server handed that out..

            You can do a sniff (packet capture) under diagnostic menu.. Pick you lan interface and port 67, this will capture dhcp traffic.

            You can then see what the client is asking for - and what the dhcp server returned..

            example

            dhcp.jpg

            See in the discover the client asked for router (gateway)... Then in the offer the router (pfsense IP on this interface) was offered.

            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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            • J
              Jarhead @Teke
              last edited by Jarhead

              Are you sure that's not a static IP on that pc?
              Missing a lot of info.
              dhcp.png

              johnpozJ 1 Reply Last reply Reply Quote 0
              • johnpozJ
                johnpoz LAYER 8 Global Moderator @Jarhead
                last edited by johnpoz

                @jarhead said in Recommendations for my pfsense setup with 5 nics:

                Are you sure that's not a static IP on that pc?

                That could explain it ;)

                @Teke could you post your ipconfig /all

                This would show if client is dhcp or not..

                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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                • T
                  Teke @johnpoz
                  last edited by

                  @johnpoz @Jarhead
                  The nic is not static.
                  ipconfigall.JPG

                  Here is the packet trace from the webgui.
                  0.0.0.0 is my switch with no ip associated with it.
                  DHCPPacket.JPG

                  I know the issue is that when during setup it is not setting up that default gateway but I have no idea how to fix that.

                  johnpozJ J 2 Replies Last reply Reply Quote 0
                  • johnpozJ
                    johnpoz LAYER 8 Global Moderator @Teke
                    last edited by

                    @teke said in Recommendations for my pfsense setup with 5 nics:

                    I know the issue is that when during setup it is not setting up that default gateway

                    There is nothing to setup for a gateway on your lan. As I showed you - pfsense will use its IP address in the dhcp server is running on as the gateway. You need to open that dhcp sniff in your fav analyzer, say wireshark.

                    Use the download button in the packet capture. either post that pcap here so we can look at the details in it, or open it up on your pc with say wireshark..

                    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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                    • J
                      Jarhead @Teke
                      last edited by

                      @teke said in Recommendations for my pfsense setup with 5 nics:

                      @johnpoz @Jarhead
                      The nic is not static.
                      ipconfigall.JPG

                      It's also not on your LAN.
                      Is that the same pc you used on the LAN interface?

                      johnpozJ T 2 Replies Last reply Reply Quote 0
                      • johnpozJ
                        johnpoz LAYER 8 Global Moderator @Jarhead
                        last edited by

                        @jarhead said in Recommendations for my pfsense setup with 5 nics:

                        Is that the same pc you used on the LAN interface?

                        I was wondering about that as well the 192.168.1 vs 192.168.10 addresses

                        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

                        T 1 Reply Last reply Reply Quote 0
                        • T
                          Teke @johnpoz
                          last edited by

                          @johnpoz @Jarhead
                          I've completely redid the install.
                          Lan is 192.168.10.0

                          I hope this is the wireshark info that you are looking for.TekeDump.pcap

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                          • T
                            Teke @Jarhead
                            last edited by

                            @jarhead said in Recommendations for my pfsense setup with 5 nics:

                            @teke said in Recommendations for my pfsense setup with 5 nics:

                            @johnpoz @Jarhead
                            The nic is not static.
                            ipconfigall.JPG

                            It's also not on your LAN.
                            Is that the same pc you used on the LAN interface?
                            I was just showing you that once I reinstalled pfsense that when I did a ipconfig from my PC it wasn't grabbing a gateway.

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                            • T
                              Teke @Teke
                              last edited by

                              @johnpoz @Jarhead
                              I think I'm making a mountain out of a mole hole.
                              I didn't want to connect the WAN port to my works private network because it would set off a whole lot of alarms for them.
                              I decided to try it to see if having the WAN plugged in would actually pickup the gateways for the computers.
                              Low and behold once I plugged the WAN in for a few minutes and ran ipconfig/release and renew they picked up a gateway. I think what I will do is grab a router from home and bring it in just to get everything talking.
                              If I need help I'll reply to this thread.
                              Unless you see a problem with my pcap file?

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                              • J
                                Jarhead @Teke
                                last edited by Jarhead

                                @teke That's not possible.
                                The WAN has nothing to do with the DHCP server.
                                I've done that plenty of times, had a disconnected WAN, and the network attached to the LAN still worked fine.

                                Glad it's working but you aren't telling us everything.

                                Plus, now you're saying 192.168.10 IS the LAN and it gave out an address without the WAN connected.

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                                • T
                                  Teke @Jarhead
                                  last edited by Teke

                                  @jarhead
                                  I'm not holding anything back.
                                  The 192.168.1 address I posted above was the LAN address after I reinstalled pfSense. Since I wanted my LAN address to be 192.168.10 I changed it to that and posted the ipconfig of that as well.

                                  I'm just reporting back what I am seeing. Once I plugged the WAN it to my works network and did a release and renew the gateway was then appearing of the local network I was on.
                                  ex. 192.168.40.100 pc was getting a 192.168.40.1 gateway. When I disconnect the WAN the gateway disappears on a release and renew.

                                  I'm going to bring a router from home in just to take that out of the equation and mimic the whole setup.

                                  I do understand that the WAN has nothing to it, this has just been frustrating for me setup. All of the videos I've watch looks so easy and I've followed them to letter but nothing has worked to this point.

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                                  • johnpozJ
                                    johnpoz LAYER 8 Global Moderator @Teke
                                    last edited by

                                    @teke that dump you posted has no dhcp in it..

                                    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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                                    • T
                                      Teke @johnpoz
                                      last edited by

                                      @johnpoz
                                      I did do a release and a renew. I will do it again.

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                                      • stephenw10S
                                        stephenw10 Netgate Administrator
                                        last edited by

                                        Hmm curious.

                                        Yes, the DHCP server should hand out the interface IP as a gateway for connected clients by default and whether or not the WAN is connected.

                                        The only way I'm aware of to prevent it is to enter none for the gateway IP specifically.
                                        Is it possible you entered that at some point and your browser is auto-filling it?

                                        Screenshot from 2022-12-17 00-32-36.png

                                        I assume you're running pfSense 2.6?

                                        Steve

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                                        • T
                                          Teke @johnpoz
                                          last edited by

                                          @johnpoz
                                          Here is another dump.
                                          Also Pictures of my firewall settings, dhcp settings.WanFW.JPG LANFW.JPG CAMFW.JPG WirelessFW.JPG DCFW.JPG LANInterface.JPG LANDHCP.JPG capture30.pcapng

                                          johnpozJ 1 Reply Last reply Reply Quote 0
                                          • stephenw10S
                                            stephenw10 Netgate Administrator
                                            last edited by

                                            With that config any client on LAN should be passed 192.168.10.1 as it's gateway/default route. And that should happen with or without a WAN connection.

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