TechSpot

Slow connection while plugged into router

By corcesca
Apr 10, 2008
  1. I'm having a problem with my router and a slow connection on this computer.
    with the router connected I'm getting 2-5mbps, plugged in directly to the modem i'm getting 14-16mbps the upload is fine at 640kbps

    The other computers (wired ) connected to the router get the max speed for download roughly 14-15mbps. Wireless 10-15mbps

    Router is Dlink WBR-2310 firmware 1.05
    Running WIndows Vista Business, Laptop: Vista Home Premium

    troubleshooted with dlink 3 times.. did not resolve they keep telling me to call back


    any ideas on how to fix this?


    Update: Tried with a Linksys wired router BEFSR41, same outcome. Other wired computer getting 14-15mbps, mine... 2-5mbps.
    Other comp is using Win XP SP2. Something is slowing my connection down... Didn't have this problem with DSL... running cable now


    looking through router settings.. i found this

    WAN
    100Mbps FULL Duplex
    LAN1
    100Mbps Half Duplex
    LAN2
    100Mbps FULL Duplex

    LAN1 is my computer.. would the Half Duplex cause anything?
     
  2. Nodsu

    Nodsu TS Rookie Posts: 9,431

    I would blame Vista, network drivers or firewall software in that order.

    SImple test - download a Linux live CD (Ubuntu or Knoppix for example) and see what your connection is with a proper OS. If it's still slow, then you have hardware problems - try replacing the cable and plugging it to a different port on the router first, then try with another NIC.
     
  3. jobeard

    jobeard TS Ambassador Posts: 13,446   +323

    The OS (Vista or otherwise) is myopic in that it understands and can control devices
    directly installed
    eg your nic, but not the upstream network device(s), eg your router or modem.

    If you View Network Connections, right click on LAN, you will likely find several
    protocols installed (show as Connection uses the following items (on XP) ):
    1. File & Print Sharing
    2. QoS Packet Scheduler
    3. Network Monitor
    4. Internet Protocol (Tcp/Ip)
    and there may be others. The QoS Packet Scheduler runs on the TCP stack
    (not a process on your system) and it can be used to control bandwidth usage
    in both directions.

    Your system does not need QoS Packet Scheduler to operate an Internet connection.

    In the box [ ] in front of QoS Packet Scheduler, remove the check mark,
    save the setting and reboot.

    retest your network bandwidth and please report back
     
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