internet connection is not stable

  1. pseudo17

    pseudo17 New Member Bronze Member

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    i have 10 pc, succesfully connect them via LAN, share files and see all pc in My Network Places. the problem is, internet connection is not stable. i dont know why, sometimes connection is okay for about an hour then suddenly, no internet access. im only starting to learn about networking, please help me. i have modem zyxel P-600 modem which my internet provider gave me. TP-Link TL-R402M modem and TP-Link TL-SF1016D Switch. I connect the ethernet cable from the modem to WAN port of TPLink router. then connect one port from the router to the switch. then the switch going to pc. i have a dynamic IP, and configure my router to dynamic aswell. My modem is configured to Bridge mode. is there anything that i should config? please help me.

    thank you!
     
  2. Kedar

    Kedar Moderator Staff Member Moderator Elite Member

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    Hello and Welcome back, pseudo17...

    Have you tried plugging the Ethernet cable into the switch and then to the router?

    And can you test a direct connection to one of the machines and check if that is stable?

    Run the network test from my signature and post back the results. Might be able to pickup a clue to the problem. You will need to run the test as admin.

    I've marked your thread Open for more input on the issue...
     
  3. pseudo17

    pseudo17 New Member Bronze Member

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    thank you for the quick respond :)

    I tried direct connection and its ok..

    here is the result of network test:



    Windows IP Configuration

    Host Name . . . . . . . . . . . . : Gaikai-PC
    Primary Dns Suffix . . . . . . . :
    Node Type . . . . . . . . . . . . : Hybrid
    IP Routing Enabled. . . . . . . . : No
    WINS Proxy Enabled. . . . . . . . : No

    Ethernet adapter Local Area Connection:

    Connection-specific DNS Suffix . :
    Description . . . . . . . . . . . : Atheros AR8131 PCI-E Gigabit Ethernet Controller (NDIS 6.20)
    Physical Address. . . . . . . . . : 90-FB-A6-8B-C7-1A
    DHCP Enabled. . . . . . . . . . . : Yes
    Autoconfiguration Enabled . . . . : Yes
    Link-local IPv6 Address . . . . . : fe80::1d1:ea96:6677:1d67%11(Preferred)
    IPv4 Address. . . . . . . . . . . : 112.206.80.190(Preferred)
    Subnet Mask . . . . . . . . . . . : 255.255.128.0
    Lease Obtained. . . . . . . . . . : Friday, October 07, 2011 10:08:55 PM
    Lease Expires . . . . . . . . . . : Saturday, October 08, 2011 12:08:55 AM
    Default Gateway . . . . . . . . . : 112.206.0.1
    DHCP Server . . . . . . . . . . . : 112.206.0.1
    DHCPv6 IAID . . . . . . . . . . . : 244382630
    DHCPv6 Client DUID. . . . . . . . : 00-01-00-01-15-EC-79-D1-90-FB-A6-8B-C7-1A
    DNS Servers . . . . . . . . . . . : 124.106.6.2
    124.106.4.2
    NetBIOS over Tcpip. . . . . . . . : Enabled

    Ethernet adapter Local Area Connection 2:

    Connection-specific DNS Suffix . :
    Description . . . . . . . . . . . : Parallels Virtual NIC 0
    Physical Address. . . . . . . . . : 00-1C-42-00-00-08
    DHCP Enabled. . . . . . . . . . . : No
    Autoconfiguration Enabled . . . . : Yes
    Link-local IPv6 Address . . . . . : fe80::5a4:d610:1f0f:241d%19(Preferred)
    IPv4 Address. . . . . . . . . . . : 10.37.130.2(Preferred)
    Subnet Mask . . . . . . . . . . . : 255.255.255.0
    Default Gateway . . . . . . . . . :
    DHCPv6 IAID . . . . . . . . . . . : 352328770
    DHCPv6 Client DUID. . . . . . . . : 00-01-00-01-15-EC-79-D1-90-FB-A6-8B-C7-1A
    DNS Servers . . . . . . . . . . . : fec0:0:0:ffff::1%1
    fec0:0:0:ffff::2%1
    fec0:0:0:ffff::3%1
    NetBIOS over Tcpip. . . . . . . . : Enabled

    Ethernet adapter Local Area Connection 2:

    Connection-specific DNS Suffix . :
    Description . . . . . . . . . . . : Parallels Virtual NIC 1
    Physical Address. . . . . . . . . : 00-1C-42-00-00-09
    DHCP Enabled. . . . . . . . . . . : No
    Autoconfiguration Enabled . . . . : Yes
    IPv6 Address. . . . . . . . . . . : fdb2:2c26:f4e4:1::1(Preferred)
    Link-local IPv6 Address . . . . . : fe80::15c1:c825:fa04:8735%20(Preferred)
    IPv4 Address. . . . . . . . . . . : 10.37.131.2(Preferred)
    Subnet Mask . . . . . . . . . . . : 255.255.255.0
    Default Gateway . . . . . . . . . :
    DNS Servers . . . . . . . . . . . : fec0:0:0:ffff::1%1
    fec0:0:0:ffff::2%1
    fec0:0:0:ffff::3%1
    NetBIOS over Tcpip. . . . . . . . : Enabled

    Tunnel adapter Local Area Connection* 9:

    Media State . . . . . . . . . . . : Media disconnected
    Connection-specific DNS Suffix . :
    Description . . . . . . . . . . . : Teredo Tunneling Pseudo-Interface
    Physical Address. . . . . . . . . : 00-00-00-00-00-00-00-E0
    DHCP Enabled. . . . . . . . . . . : No
    Autoconfiguration Enabled . . . . : Yes

    Tunnel adapter isatap.{43AA3A98-7BA4-4AD0-93E0-6A0E2407F334}:

    Media State . . . . . . . . . . . : Media disconnected
    Connection-specific DNS Suffix . :
    Description . . . . . . . . . . . : Microsoft ISATAP Adapter #2
    Physical Address. . . . . . . . . : 00-00-00-00-00-00-00-E0
    DHCP Enabled. . . . . . . . . . . : No
    Autoconfiguration Enabled . . . . : Yes

    Tunnel adapter isatap.{0BD9F5C8-916B-4465-8CE1-2AB5ACD8F06B}:

    Media State . . . . . . . . . . . : Media disconnected
    Connection-specific DNS Suffix . :
    Description . . . . . . . . . . . : Microsoft ISATAP Adapter #5
    Physical Address. . . . . . . . . : 00-00-00-00-00-00-00-E0
    DHCP Enabled. . . . . . . . . . . : No
    Autoconfiguration Enabled . . . . : Yes

    Tunnel adapter isatap.{50F63E3E-1595-4C7B-8CEF-C4D3AA018BC9}:

    Media State . . . . . . . . . . . : Media disconnected
    Connection-specific DNS Suffix . :
    Description . . . . . . . . . . . : Microsoft ISATAP Adapter #6
    Physical Address. . . . . . . . . : 00-00-00-00-00-00-00-E0
    DHCP Enabled. . . . . . . . . . . : No
    Autoconfiguration Enabled . . . . : Yes

    Pinging 194.119.131.66 with 32 bytes of data:
    Reply from 194.119.131.66: bytes=32 time=333ms TTL=46
    Reply from 194.119.131.66: bytes=32 time=334ms TTL=46
    Reply from 194.119.131.66: bytes=32 time=320ms TTL=46
    Reply from 194.119.131.66: bytes=32 time=321ms TTL=46

    Ping statistics for 194.119.131.66:
    Packets: Sent = 4, Received = 4, Lost = 0 (0% loss),
    Approximate round trip times in milli-seconds:
    Minimum = 320ms, Maximum = 334ms, Average = 327ms

    Pinging plus.net [212.159.9.2] with 32 bytes of data:
    Reply from 212.159.9.2: bytes=32 time=331ms TTL=238
    Reply from 212.159.9.2: bytes=32 time=327ms TTL=238
    Reply from 212.159.9.2: bytes=32 time=331ms TTL=238
    Reply from 212.159.9.2: bytes=32 time=322ms TTL=238

    Ping statistics for 212.159.9.2:
    Packets: Sent = 4, Received = 4, Lost = 0 (0% loss),
    Approximate round trip times in milli-seconds:
    Minimum = 322ms, Maximum = 331ms, Average = 327ms

    Tracing route to cns1.uk.vianw.net [194.119.131.66]
    over a maximum of 30 hops:

    1 11 ms 10 ms 11 ms 112.206.0.1.pldt.net [112.206.0.1]
    2 11 ms 10 ms 11 ms 119.93.255.137
    3 12 ms 13 ms 25 ms 210.213.130.86.static.pldt.net [210.213.130.86]
    4 11 ms 11 ms 11 ms 210.213.130.141.static.pldt.net [210.213.130.141]
    5 179 ms 180 ms 180 ms POS1-0-0.IG4.SAC1.ALTER.NET [152.179.125.129]
    6 178 ms 178 ms 178 ms 0.ge-3-2-0.XT2.SAC1.ALTER.NET [152.63.48.126]
    7 178 ms 178 ms 178 ms 0.so-5-1-0.XL4.SJC7.ALTER.NET [152.63.0.146]
    8 178 ms * 180 ms POS5-0-0.GW4.SJC7.ALTER.NET [152.63.49.173]
    9 178 ms 178 ms * teliasonera-test-gw.customer.alter.net [157.130.215.70]
    10 * 248 ms 331 ms ash-bb1-link.telia.net [80.91.253.69]
    11 332 ms 332 ms 332 ms ldn-bb2-link.telia.net [80.91.246.67]
    12 324 ms 324 ms 324 ms ldn-b1-link.telia.net [80.91.248.93]
    13 325 ms 325 ms 324 ms claranet-01638-ldn-b1.c.telia.net [213.248.75.74]
    14 * 320 ms * ten1-0-0-t40-cr1.router.uk.clara.net [195.8.68.85]
    15 * 324 ms 324 ms g5-1-t40-ar12.router.uk.clara.net [195.157.6.177]
    16 321 ms 323 ms 324 ms cns1.uk.vianw.net [194.119.131.66]

    Trace complete.
    These Windows services are started:

    Apple Mobile Device
    Application Experience
    Application Information
    Background Intelligent Transfer Service
    Base Filtering Engine
    Bonjour Service
    CNG Key Isolation
    COM+ Event System
    Cryptographic Services
    DCOM Server Process Launcher
    Desktop Window Manager Session Manager
    DHCP Client
    Diagnostic Policy Service
    Diagnostic Service Host
    Distributed Link Tracking Client
    DNS Client
    Function Discovery Provider Host
    Function Discovery Resource Publication
    Group Policy Client
    HomeGroup Provider
    IP Helper
    iPod Service
    IPsec Policy Agent
    Multimedia Class Scheduler
    Nero BackItUp Scheduler 4.0
    Network Connections
    Network List Service
    Network Location Awareness
    Network Store Interface Service
    NVIDIA Display Driver Service
    Offline Files
    Parallels Networking Service
    Parallels Virtualization Service
    Peer Name Resolution Protocol
    Peer Networking Grouping
    Peer Networking Identity Manager
    Plug and Play
    Portable Device Enumerator Service
    Power
    Print Spooler
    Program Compatibility Assistant Service
    Remote Procedure Call (RPC)
    RPC Endpoint Mapper
    Security Accounts Manager
    Security Center
    Server
    Shell Hardware Detection
    SSDP Discovery
    Superfetch
    System Event Notification Service
    Task Scheduler
    TCP/IP NetBIOS Helper
    Themes
    UPnP Device Host
    User Profile Service
    Windows Audio
    Windows Audio Endpoint Builder
    Windows Connect Now - Config Registrar
    Windows Defender
    Windows Driver Foundation - User-mode Driver Framework
    Windows Event Log
    Windows Firewall
    Windows Image Acquisition (WIA)
    Windows Management Instrumentation
    Windows Media Player Network Sharing Service
    Windows Search
    Windows Update
    WinHTTP Web Proxy Auto-Discovery Service
    Workstation

    The command completed successfully.


    Microsoft Windows [Version 6.1.7600]

    MTU MediaSenseState Bytes In Bytes Out Interface
    ------ --------------- --------- --------- -------------
    4294967295 1 0 320587 Loopback Pseudo-Interface 1
    1500 1 73433590 22144833 Local Area Connection
    1500 1 0 96276 Local Area Connection 2
    1500 1 0 100840 Local Area Connection 2

    ===========================================================================
    Interface List
    11...90 fb a6 8b c7 1a ......Atheros AR8131 PCI-E Gigabit Ethernet Controller (NDIS 6.20)
    19...00 1c 42 00 00 08 ......Parallels Virtual NIC 0
    20...00 1c 42 00 00 09 ......Parallels Virtual NIC 1
    1...........................Software Loopback Interface 1
    13...00 00 00 00 00 00 00 e0 Teredo Tunneling Pseudo-Interface
    14...00 00 00 00 00 00 00 e0 Microsoft ISATAP Adapter #2
    17...00 00 00 00 00 00 00 e0 Microsoft ISATAP Adapter #5
    18...00 00 00 00 00 00 00 e0 Microsoft ISATAP Adapter #6
    ===========================================================================

    IPv4 Route Table
    ===========================================================================
    Active Routes:
    Network Destination Netmask Gateway Interface Metric
    0.0.0.0 0.0.0.0 112.206.0.1 112.206.80.190 20
    10.37.130.0 255.255.255.0 On-link 10.37.130.2 276
    10.37.130.2 255.255.255.255 On-link 10.37.130.2 276
    10.37.130.255 255.255.255.255 On-link 10.37.130.2 276
    10.37.131.0 255.255.255.0 On-link 10.37.131.2 276
    10.37.131.2 255.255.255.255 On-link 10.37.131.2 276
    10.37.131.255 255.255.255.255 On-link 10.37.131.2 276
    112.206.0.0 255.255.128.0 On-link 112.206.80.190 276
    112.206.80.190 255.255.255.255 On-link 112.206.80.190 276
    112.206.127.255 255.255.255.255 On-link 112.206.80.190 276
    127.0.0.0 255.0.0.0 On-link 127.0.0.1 306
    127.0.0.1 255.255.255.255 On-link 127.0.0.1 306
    127.255.255.255 255.255.255.255 On-link 127.0.0.1 306
    224.0.0.0 240.0.0.0 On-link 127.0.0.1 306
    224.0.0.0 240.0.0.0 On-link 112.206.80.190 276
    224.0.0.0 240.0.0.0 On-link 10.37.130.2 276
    224.0.0.0 240.0.0.0 On-link 10.37.131.2 276
    255.255.255.255 255.255.255.255 On-link 127.0.0.1 306
    255.255.255.255 255.255.255.255 On-link 112.206.80.190 276
    255.255.255.255 255.255.255.255 On-link 10.37.130.2 276
    255.255.255.255 255.255.255.255 On-link 10.37.131.2 276
    ===========================================================================
    Persistent Routes:
    None

    IPv6 Route Table
    ===========================================================================
    Active Routes:
    If Metric Network Destination Gateway
    1 306 ::1/128 On-link
    20 276 fdb2:2c26:f4e4:1::/64 On-link
    20 276 fdb2:2c26:f4e4:1::1/128 On-link
    11 276 fe80::/64 On-link
    19 276 fe80::/64 On-link
    20 276 fe80::/64 On-link
    11 276 fe80::1d1:ea96:6677:1d67/128
    On-link
    19 276 fe80::5a4:d610:1f0f:241d/128
    On-link
    20 276 fe80::15c1:c825:fa04:8735/128
    On-link
    1 306 ff00::/8 On-link
    11 276 ff00::/8 On-link
    19 276 ff00::/8 On-link
    20 276 ff00::/8 On-link
    ===========================================================================
    Persistent Routes:
    None

    HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run
    QuickTime Task REG_SZ "C:\Program Files (x86)\QuickTime\QTTask.exe" -atboottime
    iTunesHelper REG_SZ "C:\Program Files (x86)\iTunes\iTunesHelper.exe"
    Adobe Reader Speed Launcher REG_SZ "C:\Program Files (x86)\Adobe\Reader 9.0\Reader\Reader_sl.exe"

    HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\OptionalComponents


    HKEY_CURRENT_USER\SOFTWARE\Microsoft\Windows\CurrentVersion\Run
    Google Update REG_SZ "C:\Users\Gaikai\AppData\Local\Google\Update\GoogleUpdate.exe" /c
    uTorrent REG_SZ "C:\Program Files (x86)\uTorrent\uTorrent.exe" /MINIMIZED
    Easy-Hide-IP REG_SZ C:\Program Files (x86)\Easy-Hide-IP\easy-hide-ip.exe
    Messenger (Yahoo!) REG_SZ "C:\PROGRA~2\Yahoo!\Messenger\YahooMessenger.exe" -quiet
    Pando Media Booster REG_SZ C:\Program Files (x86)\Pando Networks\Media Booster\PMB.exe



    Microsoft Windows [Version 6.1.7600]
     
  4. samuria

    samuria Network Specialist Tech Member Elite Member

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    You say the internet is unstable do you mean the modem drops the line or the pcs drop the line and the modem stays connected ok as its two separate problems.

    Running p2p like
    uTorrent REG_SZ "C:\Program Files (x86)\uTorrent\uTorrent.exe" /MINIMIZE

    can swamp the network to the point its not usable.

    Is this a company or home network?
     
  5. pseudo17

    pseudo17 New Member Bronze Member

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    I am setting up our small internet cafe business. PC, modem, router and switch is connected and all the lights are on. the problem is sometimes PC do not have internet connection but the lan icon is connected. is it possible that utorrent might be the cause? or is it the modem? only my server does have utorrent and everytime i switch on the server, i always exit this program. i've also tried direct connection, and everything works fine, web browsing, online gaming etc.
     
  6. samuria

    samuria Network Specialist Tech Member Elite Member

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    If you are using torrents on a company network you are asking to be prosecuted as they go after companies more so than individuals. Torrents often run as a service so stopping them doesnt work it needs to be removed.

    Torrents can have so many connections it just kills the network
     
  7. pseudo17

    pseudo17 New Member Bronze Member

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    ok ill try to remove torrent first then monitor my connection and be back for the result.. thank you!
     
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