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    New SG-3100 with gigabit comcast line... can't get over 540Mbps

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    • T
      teksavy
      last edited by

      I figured out what the problem was... and it had nothing to do with the Netgate SG-3100!

      Speedtest through the SG-3100 now....
      alt text

      The issue was that another gigabit 8-port switch was in between my main machine and my core HP ProCurve switch. It simply could not handle the sustained throughput.

      Once I connected my main machine directly to the core switch... viola... issue gone.

      Shame on me for not testing better (and being consistent with my test machines) before posting. I should have done better apples to apples testing. I'm sorry to bother the group with a bad post.

      Hopefully others will see this and know that those little 8 port gigabit switches can't really handle gigabit sustained traffic and they should really test everything before posting.

      Mea culpa,

      Ed

      PS: Does anyone have a favorite Bootable USB linux distro that has some nice network testing tools built in like iperf? I'd like to add it to my toolbox.

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      • stephenw10S
        stephenw10 Netgate Administrator
        last edited by

        Nice catch. I would not have expected that. Even from the lowest of low end switches!

        Steve

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        • DerelictD
          Derelict LAYER 8 Netgate
          last edited by

          Please name names. ☺ What switch was that?

          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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          • T
            teksavy @Derelict
            last edited by

            @derelict said in New SG-3100 with gigabit comcast line... can't get over 540Mbps:

            Please name names. ☺ What switch was that?

            So.. I tried two...

            The worst one (in the original post) in terms of speed was the Trendnet "GreenNet" switch model TEG-S81g (HW v2.0R) with 514 Mbps.

            I then tried a non-green 8 port switch from Netgear- one of those "business grade" units with a metal box and probably lead weight inside. Model GS108-400NAS. It yielded slightly better- around 580Mbps.

            Hope this helps.

            -Ed

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            • DerelictD
              Derelict LAYER 8 Netgate
              last edited by

              Thanks. Trendnet and Netgear are some of my all-time favorites. 🙄

              Was kind of hoping you'd say TP-Link though. :)

              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)

              T 1 Reply Last reply Reply Quote 0
              • T
                teksavy @Derelict
                last edited by

                @derelict said in New SG-3100 with gigabit comcast line... can't get over 540Mbps:

                Thanks. Trendnet and Netgear are some of my all-time favorites. 🙄

                Was kind of hoping you'd say TP-Link though. :)

                TBH, I was surprised too! I've had really good luck with Netgear and TPLink switches.

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                • G
                  gfeiner @teksavy
                  last edited by

                  @teksavy said in New SG-3100 with gigabit comcast line... can't get over 540Mbps:

                  @derelict said in New SG-3100 with gigabit comcast line... can't get over 540Mbps:

                  Please name names. ☺ What switch was that?

                  So.. I tried two...

                  The worst one (in the original post) in terms of speed was the Trendnet "GreenNet" switch model TEG-S81g (HW v2.0R) with 514 Mbps.

                  I then tried a non-green 8 port switch from Netgear- one of those "business grade" units with a metal box and probably lead weight inside. Model GS108-400NAS. It yielded slightly better- around 580Mbps.

                  Hope this helps.

                  -Ed

                  Thanks for the info. I have a TEG-S80g. I'll need to keep this in mind if I ever get gig internet.

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                  • B
                    behemyth
                    last edited by

                    My 3100 has been rock solid running Comcast Gig. Make sure you test with [speedtest.xfinity.com], it will use a dedicated server that is always able to do gig, when you just use speedtest you use other peoples servers, and most of the time they dont have gig bandwidth.

                    I did have weird issues with my modem firmware causing slower speeds, but they appear to have fixed that. What modem model are you running btw?

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                    • T
                      teksavy @behemyth
                      last edited by

                      I'm running a Motorola MB8600 (32 channels down and 8 channels up). Total speed demon and very reliable. Only thing I wish it had was more than one port. (It actually has 4 ports, but three are masked off- for use with bonded connections only).

                      @behemyth said in New SG-3100 with gigabit comcast line... can't get over 540Mbps:

                      My 3100 has been rock solid running Comcast Gig. Make sure you test with [speedtest.xfinity.com], it will use a dedicated server that is always able to do gig, when you just use speedtest you use other peoples servers, and most of the time they dont have gig bandwidth.

                      I did have weird issues with my modem firmware causing slower speeds, but they appear to have fixed that. What modem model are you running btw?

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                          border @border
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