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    Unable to connect between lan1 and lan2

    Scheduled Pinned Locked Moved General pfSense Questions
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    • S
      sutha @johnpoz
      last edited by

      @johnpoz Does this mean I'm unable to create another interface for my local system as I was planning now?

      My scenario:

      A tunnel exists: site-to-site VPN connection.

      I'd like to have another area for locally separated traffic. I don't want, as I mentioned earlier, Area 2 to communicate with Area 1, but I have users in Area 1 who need to access Area 2.

      Do you think this is possible?

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

        @sutha if you want a site to site tunnel - create that on pfsense..

        Yes you can filter traffic that pfsense routes.. If you want client X to be able to get to vlan Y, you can allow that, if you want client A not to go to vlan Y from vlan X you can block them..

        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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        • S
          sutha @johnpoz
          last edited by

          @johnpoz Yes, that's what I'm looking for. Currently, I have disabled two of the rules, and after reboot, my system suddenly went offline. I need to go to my office to see what happened. Once I have my system back online, I can provide you with some more details.

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          • S
            sutha @sutha
            last edited by

            @sutha So, now I have removed all the rules and disabled the tunnel as well. I've also removed the lan1 and lan2 rules. Currently, I have no internet access and no connectivity to any system. Since I have no internet, I enabled an 'any' rule on lan1, and now I can see there is internet access for lan1 PCs. However, I still have no internet access on lan2. Therefore, I repeated the same steps I took for lan1 on lan2, and now I have internet access on both interfaces.

            I'm now able to ping from 192.168.50.100 to 192.168.50.1, and when I enter this IP:192.168.50.1 in my browser, it took me to the pfSense web configurator. However, when I attempted to ping a pc on lan2, it failed. I moved to over to lan2 pc and did the ping to an ip 192.168.60.1 and it was successful. Furthermore, I tried to access the pfSense web configurator from lan2 using the IP 192.168.60.1, and it successfully redirected me to the web configurator.

            At this point, I don't have any rules other than these two. Anyone got any idea what is blocking here, I have disabled my windows own firewall tatally on both system.

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            • S
              SteveITS Galactic Empire @sutha
              last edited by

              @sutha Realistically there’s only a handful of things it can be:

              • Incorrect subnet mask on pfSense or PC
              • Incorrect gateway on either PC
              • firewall on either PC
              • firewall rule on pfSense

              If it was a VLAN, VLAN/switch config.

              Pre-2.7.2/23.09: Only install packages for your version, or risk breaking it. Select your branch in System/Update/Update Settings.
              When upgrading, allow 10-15 minutes to restart, or more depending on packages and device speed.
              Upvote 👍 helpful posts!

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              • stephenw10S
                stephenw10 Netgate Administrator
                last edited by stephenw10

                It's almost certainly not a gateway problem since hosts on both LANs can reach the internet.

                It could be a subnet mask problem if hosts are configured statically. If they use DHCP it probably isn't since you cannot configure conflicting subnets in pfSense.

                If any hosts still have two NICs or additional IPs in both subnet they will be unable to connect to the other subnet.

                Try to ping 192.168.60.1 (the pfSense interface address) from a host in the 192.168.50.X subnet. If that works then routing and firewall rules are fine and it's almost certainly the hosts themselves blocking the traffic.

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                • S
                  SteveITS Galactic Empire @stephenw10
                  last edited by

                  @stephenw10 I was talking in general and wasn’t clear. Low on coffee. :)

                  Pre-2.7.2/23.09: Only install packages for your version, or risk breaking it. Select your branch in System/Update/Update Settings.
                  When upgrading, allow 10-15 minutes to restart, or more depending on packages and device speed.
                  Upvote 👍 helpful posts!

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

                    @sutha said in Unable to connect between lan1 and lan2:

                    . Anyone got any idea what is blocking here

                    Now do the sniff.. When you ping a 60.x IP from a 50.x device.. Do you see the traffic get to pfsense?

                    And like to see the output of ipconfig /all from a device.. This will validate your mask is no messed up. And for good measure output of route print..

                    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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                    • S
                      sutha @SteveITS
                      last edited by

                      @SteveITS This is my network and interface setting.
                      PC on Lan1:
                      Lan-1_Pc_IP.png

                      PC on Lan2:
                      Lan-2_Pc_IP.png

                      Interface Lan1:
                      Lan1-interface.png
                      Interface Lan2:
                      Lan2-interface.png

                      johnpozJ 1 Reply Last reply Reply Quote 0
                      • S
                        sutha @stephenw10
                        last edited by

                        @stephenw10 I'm able to ping from lan1 IP:192.168.50.100 to lan2 ip: 192.168.60.1 and from lan2 ip: 192.168.60.50 to lan1 ip:192.168.50.1.
                        Works fine, but I'm unable to ping any other local pc. Example:
                        from 192.168.50.100 to 192.168.60.50, not working.
                        from 192.168.60.50 to 192.168.50.100, not working as well.

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

                          @sutha And you could have 14 other interfaces.. On this machine and 3 different vpn interfaces.. How about a simple ipconfig /all output and a route print..

                          $ ipconfig /all                                                                                 
                                                                                                                          
                          Windows IP Configuration                                                                        
                                                                                                                          
                             Host Name . . . . . . . . . . . . : i9-win                                                   
                             Primary Dns Suffix  . . . . . . . : home.arpa                                                
                             Node Type . . . . . . . . . . . . : Broadcast                                                
                             IP Routing Enabled. . . . . . . . : No                                                       
                             WINS Proxy Enabled. . . . . . . . : No                                                       
                             DNS Suffix Search List. . . . . . : home.arpa                                                
                                                                                                                          
                          Ethernet adapter Local:                                                                         
                                                                                                                          
                             Connection-specific DNS Suffix  . : home.arpa                                                
                             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. . . . . . . . . . : Friday, March 15, 2024 11:21:05 PM                       
                             Lease Expires . . . . . . . . . . : Thursday, March 21, 2024 11:21:05 PM                     
                             Default Gateway . . . . . . . . . : 192.168.9.253                                            
                             DHCP Server . . . . . . . . . . . : 192.168.9.253                                            
                             DNS Servers . . . . . . . . . . . : 192.168.3.10                                             
                             NetBIOS over Tcpip. . . . . . . . : Enabled                                                  
                                                                                                                          
                          Ethernet adapter Nas-San:                                                                       
                                                                                                                          
                             Connection-specific DNS Suffix  . :                                                          
                             Description . . . . . . . . . . . : Realtek USB 2.5GbE Family Controller                     
                             Physical Address. . . . . . . . . : A0-CE-C8-CC-57-DE                                        
                             DHCP Enabled. . . . . . . . . . . : No                                                       
                             Autoconfiguration Enabled . . . . : Yes                                                      
                             IPv4 Address. . . . . . . . . . . : 192.168.10.9(Preferred)                                  
                             Subnet Mask . . . . . . . . . . . : 255.255.255.0                                            
                             Default Gateway . . . . . . . . . :                                                          
                             NetBIOS over Tcpip. . . . . . . . : Disabled                                                 
                                                                                                                          
                          Ethernet adapter vEthernet (WSL):                                                               
                                                                                                                          
                             Connection-specific DNS Suffix  . :                                                          
                             Description . . . . . . . . . . . : Hyper-V Virtual Ethernet Adapter                         
                             Physical Address. . . . . . . . . : 00-15-5D-2F-73-DB                                        
                             DHCP Enabled. . . . . . . . . . . : No                                                       
                             Autoconfiguration Enabled . . . . : Yes                                                      
                             Link-local IPv6 Address . . . . . : fe80::41b8:afee:a2a0:27e2%25(Preferred)                  
                             IPv4 Address. . . . . . . . . . . : 172.29.64.1(Preferred)                                   
                             Subnet Mask . . . . . . . . . . . : 255.255.240.0                                            
                             Default Gateway . . . . . . . . . :                                                          
                             DNS Servers . . . . . . . . . . . : fec0:0:0:ffff::1%1                                       
                                                                 fec0:0:0:ffff::2%1                                       
                                                                 fec0:0:0:ffff::3%1                                       
                             NetBIOS over Tcpip. . . . . . . . : Enabled                                                  
                                                                                                                          
                          
                          $ route print
                          ===========================================================================
                          Interface List
                           15...b0 4f 13 0b fd 16 ......Killer E2600 Gigabit Ethernet Controller
                            1...........................Software Loopback Interface 1
                            7...a0 ce c8 cc 57 de ......Realtek USB 2.5GbE Family Controller
                           25...00 15 5d 2f 73 db ......Hyper-V Virtual Ethernet Adapter
                          ===========================================================================
                          
                          IPv4 Route Table
                          ===========================================================================
                          Active Routes:
                          Network Destination        Netmask          Gateway       Interface  Metric
                                    0.0.0.0          0.0.0.0    192.168.9.253    192.168.9.100     40
                                  127.0.0.0        255.0.0.0         On-link         127.0.0.1    331
                                  127.0.0.1  255.255.255.255         On-link         127.0.0.1    331
                            127.255.255.255  255.255.255.255         On-link         127.0.0.1    331
                                172.29.64.0    255.255.240.0         On-link       172.29.64.1   5256
                                172.29.64.1  255.255.255.255         On-link       172.29.64.1   5256
                              172.29.79.255  255.255.255.255         On-link       172.29.64.1   5256
                                192.168.9.0    255.255.255.0         On-link     192.168.9.100    276
                              192.168.9.100  255.255.255.255         On-link     192.168.9.100    276
                              192.168.9.255  255.255.255.255         On-link     192.168.9.100    276
                               192.168.10.0    255.255.255.0         On-link      192.168.10.9    556
                               192.168.10.9  255.255.255.255         On-link      192.168.10.9    556
                             192.168.10.255  255.255.255.255         On-link      192.168.10.9    556
                                  224.0.0.0        240.0.0.0         On-link         127.0.0.1    331
                                  224.0.0.0        240.0.0.0         On-link     192.168.9.100    276
                                  224.0.0.0        240.0.0.0         On-link      192.168.10.9    556
                                  224.0.0.0        240.0.0.0         On-link       172.29.64.1   5256
                            255.255.255.255  255.255.255.255         On-link         127.0.0.1    331
                            255.255.255.255  255.255.255.255         On-link     192.168.9.100    276
                            255.255.255.255  255.255.255.255         On-link      192.168.10.9    556
                            255.255.255.255  255.255.255.255         On-link       172.29.64.1   5256
                          ===========================================================================
                          Persistent Routes:
                            None
                          

                          How about the 30 seconds it takes to do a packet capture? To validate traffic is actually going to pfsense and not some vpn tunnel you have that failed to mention..

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

                            @sutha said in Unable to connect between lan1 and lan2:

                            Works fine, but I'm unable to ping any other local pc. Example:

                            If you can ping pfsense 192.168.60.1 from your 50.x device but not some other 60.x this SCREAMS!!!! firewall on the 60.x device..

                            Again simple packet captures that take all of 30 seconds will finally prove to you its your device and not pfsense..

                            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

                              Yup that^. Almost certainly a local firewall on the device you're trying to ping blocking it.

                              S 1 Reply Last reply Reply Quote 0
                              • S
                                sutha @johnpoz
                                last edited by

                                @johnpoz This is my ipconfig/all setting:
                                ipconfig_all.png

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                                • S
                                  sutha @stephenw10
                                  last edited by

                                  @stephenw10 This is my windows firewall setting, I don't have any other firewall setting between pfsense and my sysstem.
                                  firewall_setting.png

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                                  • S
                                    sutha @johnpoz
                                    last edited by sutha

                                    @johnpoz All I can see in the packet capture, when Isent a ping to 192.168.50.1 or 192.168.60.1.
                                    I get a reply from the destination, but when I ping a local pc: 192.168.50.100 or 192.168.60.50.
                                    I get no reply from other side.

                                    stephenw10S johnpozJ 2 Replies Last reply Reply Quote 0
                                    • stephenw10S
                                      stephenw10 Netgate Administrator
                                      last edited by

                                      Need to see the complete output from 'ipconfig /all', all interfaces.

                                      S 1 Reply Last reply Reply Quote 0
                                      • stephenw10S
                                        stephenw10 Netgate Administrator @sutha
                                        last edited by

                                        @sutha said in Unable to connect between lan1 and lan2:

                                        but when I ping a local pc: 192.168.50.100 or 192.168.60.50.
                                        I get no reply from other side.

                                        But you do the see the ping request in the pcap?

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

                                          @sutha said in Unable to connect between lan1 and lan2:

                                          I get no reply from other side.

                                          But you see the request go out to 60.50 from from pfsense 60 interface? Or do you not even see the request come in from the 50.x device to pfsense 50 interface like you were seeing before when you had the tunnel?

                                          If you see pfsense send on the ping request to 60.50 and you get no answer that is not pfsense problem.. If you do not even see the ping request come into the 50 interface of pfsense interface - again not pfsense issue. Pfsense can not route traffic it never sees.

                                          Where we would need to look at pfsense for something is if you see the ping request come in on its 50 interface, but you don't see it sending anything out the 60 interface..

                                          why is this showing your connected to 2 networks.. But your ipconfig /all that I ask for you only show 1 network

                                          2networks.jpg

                                          The output of route print would be most helpful here.

                                          edit: I turned on my wifi to check if it might show that even if disconnected like your snipped output shows. It doesn't so from what you posted I would assume you have some other connection on this box.. That you didn't include in the ipconfig /all output, and we would of seen as well in the route print which you didn't post?

                                          btw public would block ping that is for sure.. Put your interface in private, even if your going to turn off the firewall.. windows firewall has been known to be flacky... But the output of your pcap would tell us right away where the problem is - pfsense is either not seeing it at all, or pfsense is sending it on and the box being sent to is not answering.

                                          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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                                          • S
                                            sutha @johnpoz
                                            last edited by

                                            @johnpoz Currently, I'm unable to provide you with the complete ping test results. While I was conducting the test, the LAN2 PC suddenly went offline. I won't be able to fix it until tomorrow. Here are the results from LAN1 and partial test results from LAN2.

                                            SUCCESS:FROM 192.168.50.100 TO 192.168.50.1
                                            19:20:27.895657 IP 192.168.50.100 > 192.168.50.1: ICMP echo request, id 1, seq 372, length 40
                                            19:20:27.895683 IP 192.168.50.1 > 192.168.50.100: ICMP echo reply, id 1, seq 372, length 40
                                            19:20:28.900444 IP 192.168.50.100 > 192.168.50.1: ICMP echo request, id 1, seq 373, length 40
                                            19:20:28.900460 IP 192.168.50.1 > 192.168.50.100: ICMP echo reply, id 1, seq 373, length 40
                                            19:20:29.912394 IP 192.168.50.100 > 192.168.50.1: ICMP echo request, id 1, seq 374, length 40
                                            19:20:29.912403 IP 192.168.50.1 > 192.168.50.100: ICMP echo reply, id 1, seq 374, length 40
                                            19:20:30.926227 IP 192.168.50.100 > 192.168.50.1: ICMP echo request, id 1, seq 375, length 40
                                            19:20:30.926236 IP 192.168.50.1 > 192.168.50.100: ICMP echo reply, id 1, seq 375, length 40

                                            SUCCESS:FROM 192.168.50.100 TO 192.168.60.1
                                            19:20:41.101865 IP 192.168.50.100 > 192.168.25.1: ICMP echo request, id 1, seq 376, length 40
                                            19:20:41.101895 IP 192.168.25.1 > 192.168.50.100: ICMP echo reply, id 1, seq 376, length 40
                                            19:20:42.114214 IP 192.168.50.100 > 192.168.25.1: ICMP echo request, id 1, seq 377, length 40
                                            19:20:42.114230 IP 192.168.25.1 > 192.168.50.100: ICMP echo reply, id 1, seq 377, length 40
                                            19:20:43.125485 IP 192.168.50.100 > 192.168.25.1: ICMP echo request, id 1, seq 378, length 40
                                            19:20:43.125502 IP 192.168.25.1 > 192.168.50.100: ICMP echo reply, id 1, seq 378, length 40
                                            19:20:44.135603 IP 192.168.50.100 > 192.168.25.1: ICMP echo request, id 1, seq 379, length 40
                                            19:20:44.135617 IP 192.168.25.1 > 192.168.50.100: ICMP echo reply, id 1, seq 379, length 40

                                            FAILED:FROM 192.168.50.100 TO 192.168.60.50
                                            19:27:39.002010 IP 192.168.50.100 > 192.168.60.50: ICMP echo request, id 1, seq 380, length 40
                                            19:27:43.977069 IP 192.168.50.100 > 192.168.60.50: ICMP echo request, id 1, seq 381, length 40
                                            19:27:48.961347 IP 192.168.50.100 > 192.168.60.50: ICMP echo request, id 1, seq 382, length 40
                                            19:27:53.959670 IP 192.168.50.100 > 192.168.60.50: ICMP echo request, id 1, seq 383, length 40

                                            SUCCESS:FROM 192.168.60.50 TO 192.168.60.1
                                            19:33:24.608437 IP 192.168.60.50 > 192.168.60.1: ICMP echo request, id 1, seq 142, length 40
                                            19:33:24.608474 IP 192.168.60.1 > 192.168.60.50: ICMP echo reply, id 1, seq 142, length 40
                                            19:33:25.624431 IP 192.168.60.50 > 192.168.60.1: ICMP echo request, id 1, seq 143, length 40
                                            19:33:25.624450 IP 192.168.60.1 > 192.168.60.50: ICMP echo reply, id 1, seq 143, length 40
                                            19:33:26.647458 IP 192.168.60.50 > 192.168.60.1: ICMP echo request, id 1, seq 144, length 40
                                            19:33:26.647486 IP 192.168.60.1 > 192.168.60.50: ICMP echo reply, id 1, seq 144, length 40
                                            19:33:27.662241 IP 192.168.60.50 > 192.168.60.1: ICMP echo request, id 1, seq 145, length 40
                                            19:33:27.662258 IP 192.168.60.1 > 192.168.60.50: ICMP echo reply, id 1, seq 145, length 40
                                            My pc went offline,
                                            The reason for showing network2 is see this image:
                                            adapter setting.png
                                            I'll update rest of the test tomorrow.

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