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    Recommendations for my pfsense setup with 5 nics

    Scheduled Pinned Locked Moved General pfSense Questions
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    • 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?

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            • 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

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              • 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

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

                                    @teke not sure what any of that has to do with anything? the only picture that helps is that you don't have none set in the dhcp.

                                    where is the pcap showing your dhcp - so can see if the gateway was offered or even asked for by the client, etc.

                                    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 post the capture30.pcapng. It's at the right of the last picture. Is that not what you are looking for?

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                                      • stephenw10S
                                        stephenw10 Netgate Administrator
                                        last edited by

                                        Which interface is 192.168.20.X?

                                        Is pfSense 192.168.20.1 there?

                                        What is the Cisco device at 192.168.20.2 that also seems to be replying to DHCP?

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

                                          @teke why is the IP range now 192.168.20 vs what you posted 192.168.10.

                                          Clearly in the offer there is a router listed (gateway)

                                          router.jpg

                                          But then it looks like you got some relay setup on your switch, that also sent an ack?

                                          ack.jpg

                                          this 20.2 is cisco something

                                          But it also includes the router.. But why are you setting up a dhcp relay on your switches? You do not need a helper setup..

                                          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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                                          • stephenw10S
                                            stephenw10 Netgate Administrator
                                            last edited by

                                            It is passing 192.168.20.1 as to the client though:

                                            Frame 52: 342 bytes on wire (2736 bits), 342 bytes captured (2736 bits) on interface \Device\NPF_{BF7A7DCF-B2B5-493A-823E-808EAEDB7BE9}, id 0
                                            Ethernet II, Src: Broadcom_71:92:ba (00:10:18:71:92:ba), Dst: Dell_f0:4d:49 (8c:ec:4b:f0:4d:49)
                                            Internet Protocol Version 4, Src: 192.168.20.1, Dst: 192.168.20.100
                                            User Datagram Protocol, Src Port: 67, Dst Port: 68
                                            Dynamic Host Configuration Protocol (Offer)
                                                Message type: Boot Reply (2)
                                                Hardware type: Ethernet (0x01)
                                                Hardware address length: 6
                                                Hops: 0
                                                Transaction ID: 0xde3b3dfc
                                                Seconds elapsed: 0
                                                Bootp flags: 0x0000 (Unicast)
                                                Client IP address: 0.0.0.0
                                                Your (client) IP address: 192.168.20.100
                                                Next server IP address: 0.0.0.0
                                                Relay agent IP address: 0.0.0.0
                                                Client MAC address: Dell_f0:4d:49 (8c:ec:4b:f0:4d:49)
                                                Client hardware address padding: 00000000000000000000
                                                Server host name not given
                                                Boot file name not given
                                                Magic cookie: DHCP
                                                Option: (53) DHCP Message Type (Offer)
                                                    Length: 1
                                                    DHCP: Offer (2)
                                                Option: (54) DHCP Server Identifier (192.168.20.1)
                                                    Length: 4
                                                    DHCP Server Identifier: 192.168.20.1
                                                Option: (51) IP Address Lease Time
                                                    Length: 4
                                                    IP Address Lease Time: (7200s) 2 hours
                                                Option: (1) Subnet Mask (255.255.255.0)
                                                    Length: 4
                                                    Subnet Mask: 255.255.255.0
                                                Option: (3) Router
                                                    Length: 4
                                                    Router: 192.168.20.1
                                                Option: (6) Domain Name Server
                                                    Length: 4
                                                    Domain Name Server: 192.168.20.1
                                                Option: (15) Domain Name
                                                    Length: 12
                                                    Domain Name: maclean.home
                                                Option: (255) End
                                                    Option End: 255
                                                Padding: 000000000000000000000000
                                            
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