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Disconnect and reconnect to internet every 20 seconds

Discussion in 'Networking' started by chimeda, Jun 20, 2008.

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  1. chimeda

    chimeda Thread Starter

    Joined:
    Jun 20, 2008
    Messages:
    2
    Hi, Im running Windows Vista off a school network. This afternoon I my internet would disconnect every 20 seconds or so on its own, then a few seconds later, reconnect. It was working fine earlier today and can't think of anything I did between then and now that would cause a problem. Ideas? Thanks
     
  2. JohnWill

    JohnWill Retired Moderator

    Joined:
    Oct 19, 2002
    Messages:
    106,418
    Please supply the following info, exact make and models of the equipment please.

    What country are you located in.
    Name of your ISP (Internet Service Provider).
    What is the expected Upstream/Downstream speed for your ISP Connection?
    Make and exact model of the broadband modem.
    Make and exact model and hardware version of the router (if a separate unit).
    Model numbers can usually be obtained from the label on the device.
    Connection type, wired or wireless.
    If wireless, encryption used, (none, WEP, WPA, or WPA2)
    Make and model of your computer.
    Version and patch level of Windows on all affected machines, i.e. XP-Home (or XP-Pro), SP1-SP2, Vista, etc.
    The Internet Browser in use, IE, Firefox, Opera, etc.




    Please give an exact description of your problem symptoms, including the exact text of any error messages.

    If you're using a wireless connection, have you tried a direct connection with a cable to see if that changes the symptoms?

    If there are other computers on the same network, are they experiencing the same issue, or do they function normally?




    On any affected computer, I'd also like to see this:

    Hold the Windows key and press R, then type CMD to open a command prompt:

    Type the following commands:

    PING 216.109.112.135

    PING yahoo.com

    NBTSTAT -n

    IPCONFIG /ALL

    Right click in the command window and choose Select All, then hit Enter.
    Paste the results in a message here.

    If you are on a machine with no network connection, use a floppy, USB disk, or a CD-RW disk to transfer a text file with the information to allow pasting it here.
     
  3. chimeda

    chimeda Thread Starter

    Joined:
    Jun 20, 2008
    Messages:
    2
    Hey, thanks for the response. Below is the information you requested. PLease let me know if you need anything else. Thanks again!

    USA
    Not sure who the provider is, im using the school internet on Stanford University's Campus
    Marvell Ukon 88E8055 PCI-E Gigabit Ethernet Controler
    No router, goes straight into the wall
    Wired connection

    Alienware Aurora¬ô m9700
    Im using Windows Vista and Internet Explorer

    THeres no error messages, I can tell Im getting disconnected every 20 seconds or so because I keep kicked off of AIM, Skype, or any game I might be playing. But after a few seconds, Im able to reconnect to whatever online application I was running.
    Im currently using the wired connection, but I tried pulling out the cord and using the schools wireless....same problem.
    Nobody else on the network appears to have the problem, just me.


    Microsoft Windows [Version 6.0.6001]
    Copyright (c) 2006 Microsoft Corporation. All rights reserved.
    C:\Users\Chad>ping 216.109.112.135
    Pinging 216.109.112.135 with 32 bytes of data:
    Reply from 216.109.112.135: bytes=32 time=85ms TTL=51
    Reply from 216.109.112.135: bytes=32 time=88ms TTL=54
    Reply from 216.109.112.135: bytes=32 time=85ms TTL=51
    Reply from 216.109.112.135: bytes=32 time=87ms TTL=54
    Ping statistics for 216.109.112.135:
    Packets: Sent = 4, Received = 4, Lost = 0 (0% loss),
    Approximate round trip times in milli-seconds:
    Minimum = 85ms, Maximum = 88ms, Average = 86ms
    C:\Users\Chad>ping yahoo.com
    Pinging yahoo.com [206.190.60.37] with 32 bytes of data:
    Reply from 206.190.60.37: bytes=32 time=81ms TTL=51
    Reply from 206.190.60.37: bytes=32 time=81ms TTL=51
    Reply from 206.190.60.37: bytes=32 time=81ms TTL=51
    Reply from 206.190.60.37: bytes=32 time=81ms TTL=51
    Ping statistics for 206.190.60.37:
    Packets: Sent = 4, Received = 4, Lost = 0 (0% loss),
    Approximate round trip times in milli-seconds:
    Minimum = 81ms, Maximum = 81ms, Average = 81ms
    C:\Users\Chad>NBTSTAT -n
    Local Area Connection:
    Node IpAddress: [128.12.188.244] Scope Id: []
    NetBIOS Local Name Table
    Name Type Status
    ---------------------------------------------
    CHAD-PC <00> UNIQUE Registered
    WORKGROUP <00> GROUP Registered
    CHAD-PC <20> UNIQUE Registered
    Bluetooth Network Connection:
    Node IpAddress: [0.0.0.0] Scope Id: []
    No names in cache
    Wireless Network Connection 2:
    Node IpAddress: [0.0.0.0] Scope Id: []
    No names in cache
    C:\Users\Chad>IPCONFIG /ALL
    Windows IP Configuration
    Host Name . . . . . . . . . . . . : Chad-PC
    Primary Dns Suffix . . . . . . . :
    Node Type . . . . . . . . . . . . : Hybrid
    IP Routing Enabled. . . . . . . . : No
    WINS Proxy Enabled. . . . . . . . : No
    DNS Suffix Search List. . . . . . : Stanford.EDU
    Ethernet adapter Bluetooth Network Connection:
    Media State . . . . . . . . . . . : Media disconnected
    Connection-specific DNS Suffix . :
    Description . . . . . . . . . . . : Bluetooth Device (Personal Area Network)
    Physical Address. . . . . . . . . : 00-16-41-B2-E8-A7
    DHCP Enabled. . . . . . . . . . . : Yes
    Autoconfiguration Enabled . . . . : Yes
    Wireless LAN adapter Wireless Network Connection 2:
    Media State . . . . . . . . . . . : Media disconnected
    Connection-specific DNS Suffix . : Stanford.EDU
    Description . . . . . . . . . . . : Realtek 8185 Extensible 802.11b/g Wireles
    s Device
    Physical Address. . . . . . . . . : 00-C0-A8-DD-00-3F
    DHCP Enabled. . . . . . . . . . . : Yes
    Autoconfiguration Enabled . . . . : Yes
    Ethernet adapter Local Area Connection:
    Connection-specific DNS Suffix . : Stanford.EDU
    Description . . . . . . . . . . . : Marvell Yukon 88E8055 PCI-E Gigabit Ether
    net Controller
    Physical Address. . . . . . . . . : 00-03-25-2A-B7-4E
    DHCP Enabled. . . . . . . . . . . : Yes
    Autoconfiguration Enabled . . . . : Yes
    Link-local IPv6 Address . . . . . : fe80::a4d5:2fc3:de1b:1e96%9(Preferred)
    IPv4 Address. . . . . . . . . . . : 128.12.188.244(Preferred)
    Subnet Mask . . . . . . . . . . . : 255.255.252.0
    Lease Obtained. . . . . . . . . . : Friday, June 20, 2008 8:09:12 AM
    Lease Expires . . . . . . . . . . : Sunday, June 22, 2008 8:09:11 AM
    Default Gateway . . . . . . . . . : 128.12.188.1
    DHCP Server . . . . . . . . . . . : 171.64.7.111
    DNS Servers . . . . . . . . . . . : 171.64.7.55
    171.64.7.121
    171.64.7.99
    Primary WINS Server . . . . . . . : 171.64.7.155
    Secondary WINS Server . . . . . . : 171.64.7.177
    NetBIOS over Tcpip. . . . . . . . : Enabled
    Tunnel adapter Local Area Connection* 11:
    Connection-specific DNS Suffix . :
    Description . . . . . . . . . . . : Teredo Tunneling Pseudo-Interface
    Physical Address. . . . . . . . . : 02-00-54-55-4E-01
    DHCP Enabled. . . . . . . . . . . : No
    Autoconfiguration Enabled . . . . : Yes
    IPv6 Address. . . . . . . . . . . : 2001:0:4137:9e50:143a:31b5:7ff3:430b(Pref
    erred)
    Link-local IPv6 Address . . . . . : fe80::143a:31b5:7ff3:430b%13(Preferred)
    Default Gateway . . . . . . . . . :
    NetBIOS over Tcpip. . . . . . . . : Disabled
    Tunnel adapter Local Area Connection* 12:
    Media State . . . . . . . . . . . : Media disconnected
    Connection-specific DNS Suffix . :
    Description . . . . . . . . . . . : 6TO4 Adapter
    Physical Address. . . . . . . . . : 00-00-00-00-00-00-00-E0
    DHCP Enabled. . . . . . . . . . . : No
    Autoconfiguration Enabled . . . . : Yes
    Tunnel adapter Local Area Connection* 13:
    Connection-specific DNS Suffix . : Stanford.EDU
    Description . . . . . . . . . . . : Microsoft 6to4 Adapter #2
    Physical Address. . . . . . . . . : 00-00-00-00-00-00-00-E0
    DHCP Enabled. . . . . . . . . . . : No
    Autoconfiguration Enabled . . . . : Yes
    IPv6 Address. . . . . . . . . . . : 2002:800c:bcf4::800c:bcf4(Preferred)
    Default Gateway . . . . . . . . . : 2002:c058:6301::c058:6301
    DNS Servers . . . . . . . . . . . : 171.64.7.55
    171.64.7.121
    171.64.7.99
    NetBIOS over Tcpip. . . . . . . . : Disabled
    Tunnel adapter Local Area Connection* 14:
    Media State . . . . . . . . . . . : Media disconnected
    Connection-specific DNS Suffix . :
    Description . . . . . . . . . . . : 6TO4 Adapter
    Physical Address. . . . . . . . . : 00-00-00-00-00-00-00-E0
    DHCP Enabled. . . . . . . . . . . : No
    Autoconfiguration Enabled . . . . : Yes
    Tunnel adapter Local Area Connection* 15:
    Media State . . . . . . . . . . . : Media disconnected
    Connection-specific DNS Suffix . :
    Description . . . . . . . . . . . : 6TO4 Adapter
    Physical Address. . . . . . . . . : 00-00-00-00-00-00-00-E0
    DHCP Enabled. . . . . . . . . . . : No
    Autoconfiguration Enabled . . . . : Yes
    Tunnel adapter Local Area Connection* 18:
    Media State . . . . . . . . . . . : Media disconnected
    Connection-specific DNS Suffix . :
    Description . . . . . . . . . . . : 6TO4 Adapter
    Physical Address. . . . . . . . . : 00-00-00-00-00-00-00-E0
    DHCP Enabled. . . . . . . . . . . : No
    Autoconfiguration Enabled . . . . : Yes
    Tunnel adapter Local Area Connection* 19:
    Connection-specific DNS Suffix . : Stanford.EDU
    Description . . . . . . . . . . . : isatap.Stanford.EDU
    Physical Address. . . . . . . . . : 00-00-00-00-00-00-00-E0
    DHCP Enabled. . . . . . . . . . . : No
    Autoconfiguration Enabled . . . . : Yes
    Link-local IPv6 Address . . . . . : fe80::200:5efe:128.12.188.244%23(Preferre
    d)
    Default Gateway . . . . . . . . . :
    DNS Servers . . . . . . . . . . . : 171.64.7.55
    171.64.7.121
    171.64.7.99
    NetBIOS over Tcpip. . . . . . . . : Disabled
    Tunnel adapter Local Area Connection* 21:
    Media State . . . . . . . . . . . : Media disconnected
    Connection-specific DNS Suffix . :
    Description . . . . . . . . . . . : isatap.{859AC1DC-3BD9-4601-AE5B-28DA1AF9B
    450}
    Physical Address. . . . . . . . . : 00-00-00-00-00-00-00-E0
    DHCP Enabled. . . . . . . . . . . : No
    Autoconfiguration Enabled . . . . : Yes
    C:\Users\Chad>
     
  4. JohnWill

    JohnWill Retired Moderator

    Joined:
    Oct 19, 2002
    Messages:
    106,418
    Have you tried a different connection, perhaps one that has a working computer attached to it? It may be as simple as a bad port on the switch supplying your Internet feed.

    I do find it odd that you seem to have public IP addresses, that's certainly not usual for an internal network.
     
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