Disconnect and reconnect to internet every 20 seconds

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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
 

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.
 

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™ 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>
 

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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