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    Printer and UniFi AP

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    • M
      Markferron
      last edited by

      I have a Sharp MX-C301W printer connected thought Ethernet that I am having issues connecting to on my UniFi access points. All wired clients (including the UniFi APs) can consistently ping the printer or bring up the web interface without any issues. However, I had an old Meraki AP laying around and I was able to connect to the printer on a similar SSID.
      I've checked the cable, no problems, changed to another network jack, no difference. I can connect a device to the jacks and they work flawlessly. So far, I haven't noticed any other issues accessing wired devices from my UniFi APs. My APs are on the latest firmware (UAP-AC-PRO 4.3.21.11325) and my controller is on 5.14.23.

      Any suggestions on things to test?
      Thanks ahead.

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

        Oh and all of this testing I've been doing is on the same VLAN/subnet of the printer.

        1 Reply Last reply Reply Quote 0
        • scottalanmillerS
          scottalanmiller
          last edited by

          You can ping everything else on the VLAN?

          M 1 Reply Last reply Reply Quote 1
          • M
            Markferron @scottalanmiller
            last edited by

            @scottalanmiller said in Printer and UniFi AP:

            You can ping everything else on the VLAN?

            Yup. I have other printers and devices already on that network. Everything shows up just fine.

            1 Reply Last reply Reply Quote 0
            • brandon220B
              brandon220
              last edited by

              The only thing that comes to mind is the "channel width" setting in the Unifi AP. Drop it down to HT20 or 20 Mhz and see if you can connect.

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

                Can't believe I forgot this piece of info.
                If I ping the printer from my laptop for an extended period of itme it's almost always ends up being a 50% packet loss. So I can access it on WiFi, but for maybe only 15 seconds at a time before it drops out again.

                DashrenderD 1 Reply Last reply Reply Quote 0
                • DashrenderD
                  Dashrender @Markferron
                  last edited by

                  @Markferron said in Printer and UniFi AP:

                  Can't believe I forgot this piece of info.
                  If I ping the printer from my laptop for an extended period of itme it's almost always ends up being a 50% packet loss. So I can access it on WiFi, but for maybe only 15 seconds at a time before it drops out again.

                  If you have two pings going - one to that printer, and a second to a printer you don't have issues with, do both pings stop replying, or only one?

                  M 1 Reply Last reply Reply Quote 0
                  • jt1001001J
                    jt1001001
                    last edited by

                    Sounds like some sort of access list on the printer.

                    1 Reply Last reply Reply Quote 0
                    • M
                      Markferron @Dashrender
                      last edited by

                      @Dashrender said in Printer and UniFi AP:

                      @Markferron said in Printer and UniFi AP:

                      Can't believe I forgot this piece of info.
                      If I ping the printer from my laptop for an extended period of itme it's almost always ends up being a 50% packet loss. So I can access it on WiFi, but for maybe only 15 seconds at a time before it drops out again.

                      If you have two pings going - one to that printer, and a second to a printer you don't have issues with, do both pings stop replying, or only one?

                      Only the one to the problem printer stops.

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

                        I think I finally figured it out! I made a test SSID and turned off "Multicast and Broadcast Filtering" and all of a sudden I am able to ping it. I'm not sure why this would make such a difference.

                        DashrenderD 1 Reply Last reply Reply Quote 1
                        • DashrenderD
                          Dashrender @Markferron
                          last edited by

                          @Markferron said in Printer and UniFi AP:

                          I think I finally figured it out! I made a test SSID and turned off "Multicast and Broadcast Filtering" and all of a sudden I am able to ping it. I'm not sure why this would make such a difference.

                          Does that printer have a bunch of unneeded protocols running on it?

                          M 1 Reply Last reply Reply Quote 0
                          • M
                            Markferron @Dashrender
                            last edited by

                            @Dashrender said in Printer and UniFi AP:

                            Does that printer have a bunch of unneeded protocols running on it?

                            Might. I'll take a look at it again and maybe to a packet capture.

                            1 Reply Last reply Reply Quote 0
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