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    Unable to ping between lan and opt

    Scheduled Pinned Locked Moved Routing and Multi WAN
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    • johnpozJ
      johnpoz LAYER 8 Global Moderator @bgksdfol
      last edited by

      @bgksdfol why don't you just set the pi to get its IP via dhcp?

      Pretty sure that is the default, if you want your pi to always have the same IP - you can just easy set a reservation in pfsense dhcp server. Is that what you did and you put in some gateway there?

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        bgksdfol @johnpoz
        last edited by bgksdfol

        @johnpoz So the pi is getting a static ip from the OPT dhcp server. I am not sure how to set a gateway in the DHCP server

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

          @bgksdfol so you setup a reservation there.

          so for example here is reservation for my pi

          gateway.jpg

          The gateway should be left black, so it defaults to telling the client to use the pfsense IP on that network as its gateway. Did you put something in there? like 40.0 ?

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            bgksdfol @johnpoz
            last edited by

            @johnpoz The gateway field is empty on both the lan and opt dhcp server

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

              @bgksdfol well then something wrong with your pi - if you plug in a laptop or pc to that network do you get the correct gateway?

              Can we see the output of your route -n?

              destination of 0.0.0.0 is correct for default route.. That should have gateway pointing to the IP address of pfsense on this network, which I take is x.x.40.1 (btw there is zero reason to hid rfc1918 space..

              If your gateway says its 40.0 then that is wrong, but I don't see how pfsense would of handed that out?? You could of maybe overridden the dhcp settings on the pi?

              Notice my output from above - gateway of 0.0.0.0 is correct for the local network, in my case 192.168.3.0..

              iproute.jpg

              default route (destination) 0.0.0.0 points to my pfsense IP 192.168.3.253 on this network.

              the route to get to the network my pi is on 192.168.3.0/24 (see the mask 255.255.255.0) would 0.0.0.0

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              Please don't Chat/PM me for help, unless mod related
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                bgksdfol @johnpoz
                last edited by

                @johnpoz firewall2.png

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                • V
                  viragomann @bgksdfol
                  last edited by

                  @bgksdfol
                  I read recently a post here, where a Pi didn't obey the gateway from the DHCP server.
                  Try to set it static.
                  Found this: https://raspberrypi.stackexchange.com/questions/57655/fixing-gateway-on-dhcp-connection-raspberry-raspbian

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

                    @bgksdfol ah - yeah never going anywhere without a default gateway.. Never had any issues with my pi's have run many of them over the years currently 2 of them running..

                    What OS are you running on them?

                    Mine are both running

                    pi@pi-ntp:~ $ cat /etc/os-release 
                    PRETTY_NAME="Raspbian GNU/Linux 10 (buster)"
                    NAME="Raspbian GNU/Linux"
                    VERSION_ID="10"
                    VERSION="10 (buster)"
                    VERSION_CODENAME=buster
                    ID=raspbian
                    ID_LIKE=debian
                    HOME_URL="http://www.raspbian.org/"
                    SUPPORT_URL="http://www.raspbian.org/RaspbianForums"
                    BUG_REPORT_URL="http://www.raspbian.org/RaspbianBugs"
                    pi@pi-ntp:~ $ 
                    

                    haven't looked at @viragomann link yet - but that might have a work around..

                    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
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                      bgksdfol @johnpoz
                      last edited by

                      @johnpoz said in Unable to ping between lan and opt:

                      Mine are both running

                      Debain 7 (wheezy)
                      It is an old raspberry 2

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                        bgksdfol @viragomann
                        last edited by

                        @viragomann This didn't seem to change the route

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                        • V
                          viragomann @bgksdfol
                          last edited by

                          @bgksdfol said in Unable to ping between lan and opt:

                          This didn't seem to change the route

                          You didn't have a real route before, you only had your the own subnet connection on the Pi.

                          Can you ping the other pfSense interface IP now? And also the devices in the other subnet?

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

                            @bgksdfol you should be able to manually add the default route with that command given in the link.

                            Taking a look here
                            https://www.raspberrypi.com/software/operating-systems/

                            You should be able to run the 32bit version of bullseye on any pi.. now I am trying to remember why I didn't update to bullseye when it came out??? I think it had something to do with the gps ntp server running on one of them.. But why didn't I update the other one??

                            Hmmm - guess I got something to do tmrw ;) Maybe next weekend, I don't think I have any spare sds laying around.. That is why prob didn't do it, and just never got around to ordering them.. I got them setup exactly how I like, so like having a backup on sd so can just put the backup sd in and get back to exactly how I was..

                            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
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                              bgksdfol @johnpoz
                              last edited by bgksdfol

                              @johnpoz said in Unable to ping between lan and opt:

                              You should be able to run the 32bit version of bullseye on any pi.. now I am trying to remember why I didn't update to bullseye when it came out??? I think it had something to do with the gps ntp server running on one of them.. But why didn't I update the other one??

                              I don't think it is the pi. I just swapped the pi out with a windows machine, and the windows pin timed out.
                              Is there something beyond setting the allow all firewall rules I should have done?

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

                                @bgksdfol said in Unable to ping between lan and opt:

                                Is there something beyond setting the allow all firewall rules I should have done?

                                No - your saying your windows machine didn't get an IP from dhcp at all, and ended up with 169.254.x.x address - or did it not get a gateway either?

                                In windows you can look with ipconfig -all

                                $ ipconfig -all
                                
                                Windows IP Configuration
                                
                                   Host Name . . . . . . . . . . . . : i9-win
                                   Primary Dns Suffix  . . . . . . . : local.lan
                                   Node Type . . . . . . . . . . . . : Broadcast
                                   IP Routing Enabled. . . . . . . . : No
                                   WINS Proxy Enabled. . . . . . . . : No
                                   DNS Suffix Search List. . . . . . : .
                                
                                Ethernet adapter Local:
                                
                                   Connection-specific DNS Suffix  . : local.lan
                                   Description . . . . . . . . . . . : Killer E2600 Gigabit Ethernet Controller
                                   Physical Address. . . . . . . . . : B0-4F-13-0B-FD-16
                                   DHCP Enabled. . . . . . . . . . . : Yes
                                   Autoconfiguration Enabled . . . . : Yes
                                   IPv4 Address. . . . . . . . . . . : 192.168.9.100(Preferred)
                                   Subnet Mask . . . . . . . . . . . : 255.255.255.0
                                   Lease Obtained. . . . . . . . . . : Thursday, February 2, 2023 10:45:14 PM
                                   Lease Expires . . . . . . . . . . : Monday, February 6, 2023 10:45:14 PM
                                   Default Gateway . . . . . . . . . : 192.168.9.253
                                   DHCP Server . . . . . . . . . . . : 192.168.9.253
                                   DNS Servers . . . . . . . . . . . : 192.168.3.10
                                   NetBIOS over Tcpip. . . . . . . . : Enabled
                                

                                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 2.7.2, 24.11

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                                  bgksdfol @johnpoz
                                  last edited by bgksdfol

                                  @johnpoz It didn't get a gateway either
                                  Edit: just checked. Lan is asigning a default gateway, opt isn't

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

                                    @bgksdfol and this windows machine wasn't setup for a reservation, it would just get IP out of the pool..

                                    And in your normal dhcp settings for gateway - it is blank as well, you don't have say none in there? Or maybe a space? Wonder if that could mess it up?

                                    dhcp.jpg

                                    Your running 22.05 or 2.6 on this sg1100, your not running some snapshot or dev version?

                                    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 2.7.2, 24.11

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                                      bgksdfol @johnpoz
                                      last edited by

                                      @johnpoz
                                      It just gets allocated a static ip by the router.
                                      The space in gateway is blank
                                      22.05 release
                                      In some way this is validating that I wasn't going insane, and really was banging my head against the brick wall for a month.

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                                      • B
                                        bgksdfol
                                        last edited by

                                        I know that this isn't a satisfactory answer, Re-imaging the firewall resolved the issue.

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

                                          @bgksdfol whatever works - sometimes starting clean is a faster solution. While its more satisfying to know the actual root cause off the issue.

                                          Something was messed up that is clear, out of the box pfsense would hand out its IP on any interface as the gateway to dhcp clients, and also dns.. Unless you edit the dhcp server settings to do something different.

                                          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 2.7.2, 24.11

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