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    Netstat results - over ten connections causing slow speed?

    This is a discussion on Netstat results - over ten connections causing slow speed? within the Mac users forums, part of the Sky Broadband help category; I hope someone can help with a problem I'm having. I have Sky unlimited and they say I should be ...

    1. #1
      roopster's Avatar
      roopster is offline Sky User Member
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      Netstat results - over ten connections causing slow speed?

      I hope someone can help with a problem I'm having.
      I have Sky unlimited and they say I should be getting between 10 and 20MB download speeds.

      I've had the service for a few months now and the maximum I've ever got (using lots of different online broadband speed tests) is 2.7MB. Sometimes in the the evenings it's so bad I can't even load Google never mind a speed checker.

      I've tried an alternative Mac laptop (not connected at the same time), wi-fi or ethernet with no improvement. I'm plugged into the master socket with the filter and nothing is connected to any other extensions.

      Sky say I'm getting around 13MB (shown on the Router info page.) They told me to look at the Netstat connections. There were 20 lines of 'active internet connections' and another 20 of 'active local (unix) domain sockets'.

      They said this was the problem as there should only be around 10 lines and I must have other things running in the background that is causing the drop in the 13MB speed they can see on the router to what I'm actually getting (I understand there will be a drop, but over 10MB?? I don't have any other applications running, don't run any peer to peer software etc.)

      I tried to ask them what the lines meant but they said 'it's your computer, we're not IT specialists, just broadband operators.' After doing some research it seems that this many lines is completely normal on a Mac. Of the 20 'active internet connection' lines, 8 were TCP and 12 were UDP. Should they be counting the TCP connections only? I've cleared the cache and cookies and can't get the number of connections to get any lower?

      It seems to me like the obvious problem is the router maybe, but Sky just wanted to blame my computers and get me off the phone... Any help is greatly appreciated!


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    3. #2
      Smithy99's Avatar
      Smithy99 is offline Sky User Member
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      Re: Netstat results - over ten connections causing slow speed?

      Please post your router stats and if you are connected via wireless, try the speed test on this site via a wire.

    4. #3
      roopster's Avatar
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      Re: Netstat results - over ten connections causing slow speed?

      The router stats are;

      Port Status TxPkts RxPkts Collisions Tx B/s Rx B/s Up Time
      WAN PPPoA 63776 69413 0 0 0 16:07:34
      LAN 3777 94 0 0 0 16:08:30
      WLAN 300204 293526 0 432 368 16:08:03
      ADSL Link Downstream Upstream
      Connection Speed 13219 kbps 1117 kbps
      Line Attenuation 33.0 db 15.4 db
      Noise Margin 8.1 db 8.2 db

      Speed test using broadbandspeedchecker.co.uk via ethernet cable is;
      Upload speed 2304Kbps Download speed 721Kbps
      via wireless it is;
      Upload speed 2320Kbps Download speed 603Kbps

      The netstat reults I get are;

      Active Internet connections (including servers)
      Proto Recv-Q Send-Q Local Address Foreign Address (state)
      tcp4 0 0 localhost.ipp *.* LISTEN
      tcp4 0 0 *.9503 *.* LISTEN
      tcp4 0 0 localhost.netinfo-loca localhost.1019 ESTABLISHED
      tcp4 0 0 localhost.1019 localhost.netinfo-loca ESTABLISHED
      tcp4 0 0 localhost.netinfo-loca *.* LISTEN
      udp4 0 0 *.mdns *.*
      udp4 0 0 *.* *.*
      udp4 0 0 *.ipp *.*
      udp4 0 0 localhost.49159 localhost.1022
      udp4 0 0 localhost.49158 localhost.1022
      udp4 0 0 localhost.1022 *.*
      udp4 0 0 localhost.49157 localhost.1023
      udp4 0 0 localhost.1023 *.*
      udp4 0 0 192.168.0.3.ntp *.*
      udp4 0 0 localhost.ntp *.*
      udp4 0 0 *.ntp *.*
      udp6 0 0 *.5353 *.*
      udp4 0 0 *.mdns *.*
      udp4 0 0 localhost.netinfo-loca *.*
      Active LOCAL (UNIX) domain sockets
      Address Type Recv-Q Send-Q Inode Conn Refs Nextref Addr
      174f7f8 stream 0 0 1954318 0 0 0 /private/var/run/cupsd
      174fb28 stream 0 0 0 174fbb0 0 0 /var/run/usbmuxd
      174fbb0 stream 0 0 0 174fb28 0 0
      174fdd0 stream 0 0 0 174fd48 0 0 /var/run/mDNSResponder
      174fd48 stream 0 0 0 174fdd0 0 0
      174ff68 stream 0 0 0 1308000 0 0 /var/run/mDNSResponder
      1308000 stream 0 0 0 174ff68 0 0
      13086e8 stream 0 0 0 1308990 0 0 /var/run/asl_input
      1308990 stream 0 0 0 13086e8 0 0
      1308d48 stream 0 0 165d18c 0 0 0 /var/run/pppconfd
      1308550 stream 0 0 0 1308dd0 0 0 /var/run/asl_input
      1308dd0 stream 0 0 0 1308550 0 0
      1308a18 stream 0 0 15ce4a4 0 0 0 /var/run/mDNSResponder
      1308c38 stream 0 0 15ceb58 0 0 0 /var/run/asl_input
      13087f8 stream 0 0 0 1308880 0 0
      1308880 stream 0 0 0 13087f8 0 0
      1308e58 stream 0 0 15b1840 0 0 0 /var/run/usbmuxd
      1308ee0 stream 0 0 15b18c4 0 0 0 /var/run/portmap.socket
      1308f68 stream 0 0 1303ce4 0 0 0 /var/launchd/0/sock
      1308cc0 dgram 0 0 0 1308b28 0 174f880
      174f880 dgram 0 0 0 1308b28 0 174f990
      174f990 dgram 0 0 0 1308b28 0 174f908
      174f908 dgram 0 0 0 1308b28 0 1308088
      174fa18 dgram 0 0 0 174faa0 174faa0 0
      174faa0 dgram 0 0 0 174fa18 174fa18 0
      174fc38 dgram 0 0 0 174fcc0 174fcc0 0
      174fcc0 dgram 0 0 0 174fc38 174fc38 0
      174fe58 dgram 0 0 0 174fee0 174fee0 0
      174fee0 dgram 0 0 0 174fe58 174fe58 0
      1308088 dgram 0 0 0 1308b28 0 1308110
      1308110 dgram 0 0 0 1308b28 0 1308198
      1308198 dgram 0 0 0 1308b28 0 1308770
      1308aa0 dgram 0 0 0 1308bb0 1308bb0 0
      1308bb0 dgram 0 0 0 1308aa0 1308aa0 0
      1308770 dgram 0 0 0 1308b28 0 13083b
      13083b8 dgram 0 0 0 1308b28 0 1308220
      1308220 dgram 0 0 0 1308b28 0 1308440
      13082a8 dgram 0 0 0 1308330 1308330 0
      1308330 dgram 0 0 0 13082a8 13082a8 0
      1308440 dgram 0 0 0 1308b28 0 13084c8
      13084c8 dgram 0 0 0 1308b28 0 13085d8
      13085d8 dgram 0 0 0 1308b28 0 0
      1308660 dgram 0 0 0 1308908 1308908 0
      1308908 dgram 0 0 0 1308660 1308660 0
      1308b28 dgram 0 0 15ce9cc 0 1308cc0 0 /var/run/syslog

    5. #4
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      Re: Netstat results - over ten connections causing slow speed?

      I guess the upload and download speeds are the wrong way around but other than that, your stats etc look fine.

      You are syncing at over 13mb so you have a throughput issue. The hardest part will be convincing Sky of that.

      I would be tempted to ring them again and tell them that none of the lights on the router are working and it won't turn on (make sure you unplug it), hopefully thay will then agree to send out a replacement and then you can cross that off the list.

      If you have a spare router you could try, it would be worth it.

      If it is an exchange fault then you will really have your work cut out convincing them, you will require a "lift and shift", this is where your connection is swapped onto another card in the exchange.

    6. #5
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      Re: Netstat results - over ten connections causing slow speed?

      I am not sure if the commands on a Mac are the same, but if you use netstat -b it may show what is using each connection. Can you also close all your browsers/email clients down and try netstat -b again. All you should see are possibley up-daters, if that.

      TomD


      Please note the views and recommendations in my posts are my own and in no way reflect the views of SkyUser.


      Useful Utilites

      http://www.nirsoft.net/utils/wifi_information_view.html/ TCPOptimiser /Test Socket

      Note - When downloading always select the Custom install or you will end up with stuff you don't want.





    7. #6
      roopster's Avatar
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      Re: Netstat results - over ten connections causing slow speed?

      Thanks for your replies - sorry I did get the upload and download results the wrong way round when I typed the post...

      I do have a spare Netgear router (not from Sky) that I could try. How do I know the settings to use - is there somewhere I can copy these from this Sky router?

      When I did the Netstat test I didn't have anything else running, and I had cleared my cache & cookies from Firefox. I don't know how to see what is using each connection on a Mac - does anyone else know?

      I checked this on 2 of my Macs at work where I have O2 broadband which gets around 8MB (5 minutes walk from here, same exchange) and that computer has around the same number of connections showing.

    8. #7
      Isitme's Avatar
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      Re: Netstat results - over ten connections causing slow speed?

      Have a look at this GUI for netstat, it may help -
      Download Net Stat GUI 1.0 - A GUI to the netstat command - Softpedia

      TomD


      Please note the views and recommendations in my posts are my own and in no way reflect the views of SkyUser.


      Useful Utilites

      http://www.nirsoft.net/utils/wifi_information_view.html/ TCPOptimiser /Test Socket

      Note - When downloading always select the Custom install or you will end up with stuff you don't want.





     

     

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