Netgate Discussion Forum
    • Categories
    • Recent
    • Tags
    • Popular
    • Users
    • Search
    • Register
    • Login

    DHCP not working on VLANs

    Scheduled Pinned Locked Moved DHCP and DNS
    12 Posts 5 Posters 3.6k Views
    Loading More Posts
    • Oldest to Newest
    • Newest to Oldest
    • Most Votes
    Reply
    • Reply as topic
    Log in to reply
    This topic has been deleted. Only users with topic management privileges can see it.
    • danzekD
      danzek @kiokoman
      last edited by danzek

      @kiokoman Yes, the Networks were configured using the VLANs as shown in the screenshot.

      1 Reply Last reply Reply Quote 0
      • dotdashD
        dotdash
        last edited by

        @danzek said in DHCP not working on VLANs:

        The main wireless network (wutangLAN)

        That ain't nothin to F* with...

        Not pfSense related, but in UniFi:
        Make sure DHCP guarding is off on the vlan network
        Make sure the 'block lan to wlan broadcast' is not checked on the wireless network
        Make sure the port profile has the vlans tagged on the ports

        danzekD 2 Replies Last reply Reply Quote 1
        • danzekD
          danzek @dotdash
          last edited by

          @dotdash thanks! Unfortunately none of these resolved it, either. These were what UniFi support had me do plus create a WLAN group. I appreciate the ideas, though!

          1 Reply Last reply Reply Quote 0
          • M
            mcury
            last edited by

            My unifi AP has 2 WIFI's network, GUEST, and WIFI.
            My AP is connected to a SWITCH (not Unifi switch), and this Switch is connected to pfsense.

            WIFI VLAN 10
            GUEST VLAN20

            pfsense side: note that the ports are tagged.

            76b8d53a-ffe5-4fdc-9114-2b712bed75f5-image.png
            752471cf-fcbf-4911-ae4f-3124b82fd070-image.png

            Switch side: note that the ports are tagged.
            67d78e6e-62f1-4335-b9a9-a366ec528a5a-image.png
            8f628c10-aa9f-45a8-8776-97bc055fe250-image.png

            In the Unifi controller side, I just created the WIFI networks and set VLAN:

            eca2a40b-0f80-4390-bb5b-abb91fe3ae87-image.png

            Hope this can help you.

            dead on arrival, nowhere to be found.

            danzekD 1 Reply Last reply Reply Quote 0
            • danzekD
              danzek @mcury
              last edited by danzek

              @mcury how would I tag the ports in pfSense? Note I’m using an SG-1100 and the LAN port goes directly to my UniFi switch, so the main LAN and all VLANs are on the same “port” out of my Netgate device.

              1 Reply Last reply Reply Quote 0
              • M
                mcury
                last edited by mcury

                Check if the SG-1100 has the option Interfaces/Switch/VLANs
                There, you can create the vlan groups, but I'm not sure if the SG-1100 has this menu.

                Maybe it's better to wait a more skilled person in SG-1100 to help you.
                I'm saying that because you may set the wrong things there and lose communication with the Firewall.

                Edit:

                Take a look at this:

                https://docs.netgate.com/pfsense/en/latest/solutions/sg-1100/switch-overview.html

                dead on arrival, nowhere to be found.

                1 Reply Last reply Reply Quote 1
                • kiokomanK
                  kiokoman LAYER 8
                  last edited by

                  vlan work from any interface
                  on this video i see that he is doing something more to the switch https://www.youtube.com/watch?v=JblnjsnJNJU at around 9:30
                  another video here https://www.youtube.com/watch?v=Bp_B79-WLlU

                  ̿' ̿'\̵͇̿̿\з=(◕_◕)=ε/̵͇̿̿/'̿'̿ ̿
                  Please do not use chat/PM to ask for help
                  we must focus on silencing this @guest character. we must make up lies and alter the copyrights !
                  Don't forget to Upvote with the 👍 button for any post you find to be helpful.

                  1 Reply Last reply Reply Quote 0
                  • NogBadTheBadN
                    NogBadTheBad
                    last edited by

                    Do a packet capture on the pfSense interface, do you see a request from the client ?

                    If you don't its not a pfSense issue.

                    Andy

                    1 x Netgate SG-4860 - 3 x Linksys LGS308P - 1 x Aruba InstantOn AP22

                    1 Reply Last reply Reply Quote 0
                    • danzekD
                      danzek @dotdash
                      last edited by

                      @dotdash the tagging in pfSense was the issue. I misunderstood how to do this. Thanks!

                      1 Reply Last reply Reply Quote 0
                      • danzekD
                        danzek
                        last edited by

                        THIS IS NOW SOLVED. The issue was tagging.

                        Inside pfSense I went to Interfaces > Switch > VLANs and added tags for the VLANs on members 0 (default system VLAN) and 2 (LAN) which resolved my issue.

                        Thanks everyone!

                        1 Reply Last reply Reply Quote 1
                        • First post
                          Last post
                        Copyright 2025 Rubicon Communications LLC (Netgate). All rights reserved.