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    CISCO IP PHONE SPA502G

    IT Discussion
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    • DustinB3403D
      DustinB3403
      last edited by DustinB3403

      OK guys, so this is a shot in the dark, as I haven't configured this phone myself, and it's infact in another country that I am trying to figure this out.

      • We have several small offices configured with this phone, a small 4 port switch, and 2 laptops.

      What we need to be able to do is remote power on these laptops using WOL, sometimes it works, sometimes it doesn't.

      • I can't confirm if it works for the same machines each time, as I haven't actually been there to test, so monitoring the results is difficult.

      With the above hardware setups for these offices, would it be better to connect the wall RJ45 to the switch, and everything to the switch? Or connect the phone to the walls' RJ45 and then the switch to the computer port on the phone, and then the laptops to the switch?

      I'm leaning towards, having everything connected to the switch (with a direct connection to the wall), but am getting some mixed information from my team on how these offices were configured, and I'm curious if there is a limit on the available DHCP pass through for these phones.

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

        Everything connected to the switch gives you the best network visibility and control and really takes minimal extra effort if you have the ports.

        1 Reply Last reply Reply Quote 0
        • DustinB3403D
          DustinB3403
          last edited by

          That's what I've said, but I'm being told that the offices are setup the the RJ45 from the wall goes to the phone, then the phone is feeding the switch, which in turn feeds the laptops.

          To me this is over complicating the setup.

          scottalanmillerS DashrenderD 2 Replies Last reply Reply Quote 0
          • DustinB3403D
            DustinB3403
            last edited by

            And now I get the answer as to why the offices were setup with the phone being the primary pass through, the small switches are POE and there aren't POE Injectors in each of the rooms either...

            So POE to the Phone, and then pass through... argh...

            1 Reply Last reply Reply Quote 0
            • scottalanmillerS
              scottalanmiller @DustinB3403
              last edited by

              @DustinB3403 said:

              That's what I've said, but I'm being told that the offices are setup the the RJ45 from the wall goes to the phone, then the phone is feeding the switch, which in turn feeds the laptops.

              To me this is over complicating the setup.

              It is not a bad setup, tons of places do this. It reduces the cabling needs, but it is less than ideal. You have little two port switches all over the office and no direct visibility from your good switches to everything else.

              1 Reply Last reply Reply Quote 0
              • DustinB3403D
                DustinB3403
                last edited by

                Yeah, I know. I've seen it, and it totally makes sense as it saves money.

                To compound the issue, the employees in this office are moving the laptops and not properly reconnecting everything. Which is difficult to understand as there are laptop docks, so all that has to be done is redock the laptop....

                1 Reply Last reply Reply Quote 0
                • DashrenderD
                  Dashrender @DustinB3403
                  last edited by

                  @DustinB3403 said:

                  That's what I've said, but I'm being told that the offices are setup the the RJ45 from the wall goes to the phone, then the phone is feeding the switch, which in turn feeds the laptops.

                  To me this is over complicating the setup.

                  I can't even follow this!

                  are you saying
                  switch -> wall -> phone -> laptop?

                  1 Reply Last reply Reply Quote 0
                  • DustinB3403D
                    DustinB3403
                    last edited by

                    wall > phone > switch > laptops

                    DashrenderD scottalanmillerS 3 Replies Last reply Reply Quote 0
                    • DustinB3403D
                      DustinB3403
                      last edited by

                      what I was hoping was

                      wall > switch > laptops & phone

                      but because the phones are POE and we have no POE injectors in the offices everything is configured as

                      wall > phone > switch > laptops

                      1 Reply Last reply Reply Quote 0
                      • DashrenderD
                        Dashrender @DustinB3403
                        last edited by

                        @DustinB3403 said:

                        wall > phone > switch > laptops

                        what is connected to the wall?

                        1 Reply Last reply Reply Quote 0
                        • DashrenderD
                          Dashrender @DustinB3403
                          last edited by

                          @DustinB3403 said:

                          wall > phone > switch > laptops

                          why is there a switch between the phone and the laptops? is it two laptops to one phone?

                          1 Reply Last reply Reply Quote 0
                          • DustinB3403D
                            DustinB3403
                            last edited by

                            OK more basic.

                            Classic IT closet with POE Switch > wall outlet to office > phone is connected to outlet > secondary ethernet on phone feeds the switch > the laptops are connected to switch.

                            1 Reply Last reply Reply Quote 0
                            • DustinB3403D
                              DustinB3403
                              last edited by

                              Yep, 2 laptops to 1 phone.

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

                                OK that makes a bit more sense... I'm guessing they don't have two ports on the wall from the closet IT switch? Assuming that's the case, can they make this happen?

                                1 Reply Last reply Reply Quote 0
                                • DustinB3403D
                                  DustinB3403
                                  last edited by

                                  No that can't happen, the trouble is only a single Ethernet drop was run to each of the offices to save on the cost of building the office.

                                  But its now becoming more of a pain more than anything else.

                                  1 Reply Last reply Reply Quote 0
                                  • RojoLocoR
                                    RojoLoco
                                    last edited by

                                    Wait, each singular drop is PoE? That = screwed. It should go wall -> switch ->PoE inj to phone/laptop1/laptop2. The way your setup is done is just plain wrong.

                                    "Nobody will ever need multiple network ports! Nor will they ever need anything to go faster that 100M!"

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

                                      I guess it boils down to how much they want WoL to work? It might be worth the $125 to run a new cable to solve the problem (and really they should run two cables, not just one, since there are three devices in that location). so maybe $200.

                                      1 Reply Last reply Reply Quote 0
                                      • DustinB3403D
                                        DustinB3403
                                        last edited by

                                        Without getting into the ordeal of why best practices were ignored, I am well aware of what should've been, and what is.

                                        I didn't have a say in the office setup, I'm just stuck fixing the issue..

                                        dafyreD mlnewsM DashrenderD 3 Replies Last reply Reply Quote 0
                                        • dafyreD
                                          dafyre @DustinB3403
                                          last edited by

                                          @DustinB3403 Maybe next time you can get yourself invited during the design & build phases. 🙂

                                          1 Reply Last reply Reply Quote 0
                                          • DustinB3403D
                                            DustinB3403
                                            last edited by

                                            @dafyre Only in my prayers......

                                            dafyreD 1 Reply Last reply Reply Quote 0
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