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    5 or 8 port switch recommendation - daisy-chained downstream from HP 1920

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    • N
      newberger
      last edited by

      nog - thanks for the feedback on the TP-Link.  I did see some lower cost 8 port HP switches, I'll search again, if needed - possible fix below.

      john - my bad, I made a typo on the Netgear model, I meant GS108Tv2.  :-\ The Sonos list doesn't distinguish whether it's all GS108v2, or a specific model (GS108, GS108E and/or GS108T).  Given my problem (below) I assumed my model Netgear is included.

      My issue is that the Netgear switch works fine with my Ruckus AP and Apple TV connected, but when I connect the Sonos Connect (aka Bridge), I experience extreme latency across the LAN.

      So, Netgear just told me I need to enable STP on the switch and it will work.  I will give it a try this evening.  :D

      Further information, for anyone interested: https://en.community.sonos.com/troubleshooting-228999/sonos-and-the-spanning-tree-protocol-16973

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      • johnpozJ
        johnpoz LAYER 8 Global Moderator
        last edited by

        Yeah if your sonos is on wifi and wired and it bridges that would cause big problem.  STP will block the port…

        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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        • NogBadTheBadN
          NogBadTheBad
          last edited by

          @newberger:

          So, Netgear just told me I need to enable STP on the switch and it will work.  I will give it a try this evening.  :D

          Ewww why wouldn't it be enabled by default, the bunch of chumps.

          Untitled.png
          Untitled.png_thumb

          Andy

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

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          • johnpozJ
            johnpoz LAYER 8 Global Moderator
            last edited by

            I would assume not enabled by default because the admin of the network should configure it how they want.  Do they want RTP or RSTP?  Rare that a such small switch would be a root bridge, etc.  I would assume that many a users of such switches never even log into the gui and use it as just dumb switch.

            I could see someone else complaining WTF they have STP enabled out of the box default for? ;)

            You can never win… No matter what you do.

            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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            • ?
              Guest
              last edited by

              HP 1810-8 maybe?

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              • DerelictD
                Derelict LAYER 8 Netgate
                last edited by

                Why wireless and wired on the sonos? Shouldn't it be one or the other?

                The easiest way to prevent layer 2 loops would be to not make the loop in the first place.

                Chattanooga, Tennessee, USA
                A comprehensive network diagram is worth 10,000 words and 15 conference calls.
                DO NOT set a source address/port in a port forward or firewall rule unless you KNOW you need it!
                Do Not Chat For Help! NO_WAN_EGRESS(TM)

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                • V
                  VAMike
                  last edited by

                  @Derelict:

                  Why wireless and wired on the sonos? Shouldn't it be one or the other?

                  The easiest way to prevent layer 2 loops would be to not make the loop in the first place.

                  It's a mesh device, that's kind of the point.

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                  • DerelictD
                    Derelict LAYER 8 Netgate
                    last edited by

                    Then only one or none should be connected to wired I would think.

                    If they expect functioning STP on home networks they're in for a long, hard ride.

                    Chattanooga, Tennessee, USA
                    A comprehensive network diagram is worth 10,000 words and 15 conference calls.
                    DO NOT set a source address/port in a port forward or firewall rule unless you KNOW you need it!
                    Do Not Chat For Help! NO_WAN_EGRESS(TM)

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                    • V
                      VAMike
                      last edited by

                      @Derelict:

                      If they expect STP on home networks they're in for a long, hard ride.

                      No, they need at least that the switch won't block their own STP from letting them figure out that they are looping. Most consumer dumb switches are ok for that–they don't understand the STP broadcasts and just pass them along like anything else. Where they run into problem is semi-smart switches that filter the STP broadcasts without actually participating in STP. My newer netgear has a "Forward BPDU while STP Disabled" option to at least control that behavior rather than silently (and unconditionally) dump them. On smarter switches you can fix that by turning on STP, but if a vendor has a semi-smart switch that knows enough about STP to not broadcast a BPDU but not enough to actually participate in STP (presumably so it can be sold at a different price point than the same ASIC with a different GUI) then you need a new switch or a new speaker system.

                      They'll probably have fewer problems than google has run into trying to actually use multicast in the chromecast. It's amazing how many ways vendors can find to screw that up.

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                      • jahonixJ
                        jahonix
                        last edited by

                        When using a SONOS bridge all other devices must reside on their own WLAN mesh. No Playbar etc. may be connected with an ethernet cable or other WIFI.

                        That's what is so bad about their design: having to use their self "managed" mesh WLAN network in a usually crowded HF environment.

                        But since everybody but me (and three others…) uses SONOS it has to be great...

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                        • V
                          VAMike
                          last edited by

                          @jahonix:

                          But since everybody but me uses SONOS it has to be great…

                          I find it hard to believe that "everybody" puts thousands of dollars into home speakers.

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                          • jahonixJ
                            jahonix
                            last edited by

                            ::)
                            Did I mention that I even sell this stuff to clients? Still don't like it, though. Want one?  :P

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                            • johnpozJ
                              johnpoz LAYER 8 Global Moderator
                              last edited by

                              I find it hard to believe that "everybody" puts thousands of dollars into home speakers.

                              There are people where spending $1000 on their speakers is like you and me spending $100… Cost is always relative.. There are many more where it would be like you spending $1 on speakers for your house...

                              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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                              • V
                                VAMike
                                last edited by

                                @johnpoz:

                                I find it hard to believe that "everybody" puts thousands of dollars into home speakers.

                                There are people where spending $1000 on their speakers is like you and me spending $100… Cost is always relative.. There are many more where it would be like you spending $1 on speakers for your house...

                                Sure, and that's pretty much "everybody", right?

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                                • johnpozJ
                                  johnpoz LAYER 8 Global Moderator
                                  last edited by

                                  No it is not everybody - but its way more people then people think.. which was my point… They sell a shitton of them ;) So yeah lots and lots of people have them. No its not everyone.. But its enough that they are very very common and you will see them in many homes you go to...

                                  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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                                  • jahonixJ
                                    jahonix
                                    last edited by

                                    Oh come on, you know how "everybody" was meant.

                                    @johnpoz:

                                    But its enough that they are very very common

                                    So much so that even Crestron (as my preferred control system / AV distribution vendor) offers them to their US dealers. It's the only 3rd party device they ever sold in their 40 or so years history.
                                    (Except for one pre-configured Dell server and some OEM/ODM devices)

                                    SONOS is massive in the market. The only real contender was SlimDevices with their SqueezeBoxes. After being bought by Logitech they borked the productline and shut it down shortly after.

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                                    • N
                                      newberger
                                      last edited by

                                      Well, for me, Sonos was the most cost effective system to provide multi-room audio with multiple sources and independent room output in an existing home.  Some areas are accessible via wire, but others had to be wireless.  YMMV

                                      Back to the Netgear switch: enabling STP did not fix the problem.  I'm looking at ordering the HP 1820-8G, currently $80 on NewEgg as a replacement.

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                                      • jahonixJ
                                        jahonix
                                        last edited by

                                        How many SONOS devices do you have and which of them are connected by copper?

                                        I'm not convinced that a different switch will solve your problems. Start with the bridge and one Play-device while the others are shut down. Add one at a time until your problem reappears.

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                                        • N
                                          newberger
                                          last edited by

                                          jahonix - I have 4 that are directly wired to the HP switch and 3 that attach to the Sonos 'mesh' wireless network (separate from home wifi) - and then the Connect unit that is attached to the second switch. Everything works fine with the 4 wired to the switch and the Connect not attached.

                                          The 3 wireless units are on the edge of the range of the 4 wired units (they still transmit the wireless signal), so the Connect, which is about halfway in between, provides a better wireless connection.

                                          You may be right and I suppose I don't have to have the Connect wired to the second switch, but it's the way I have always had it configured.  If the HP 1810 doesn't work, I will try setting it up as wireless-only.  It took me several days of troubleshooting to determine that the Sonos unit was causing the problems, so I'm just interested in seeing if I can get it working correctly (wired).

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                                          • jahonixJ
                                            jahonix
                                            last edited by

                                            @newberger:

                                            … the 4 wired units (they still transmit the wireless signal)

                                            THAT is your packet storm problem saturating the channel.

                                            @newberger:

                                            so I'm just interested in seeing if I can get it working correctly (wired).

                                            AFAIK you either go wired OR wireless with a single bridge inbetween segments. No other unit than the bridge is supposed to be dual-linked (or one device like a Playbar acting as bridge).
                                            Simply relying on (R)STP is bad by design and obviously doesn't work.

                                            The inability to configure the SONOS-Mesh to client's needs is what I really dislike about their philosophy.

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