Windows 7 and connection dropout

[Doublee]

I installed Windows 7 Pro last night since then I have been getting semi regular connection dropouts.  Sometimes when starting a d/l other times it is well into the d/l.  Disconnections really never occured on XP Pro so it seems it is connected to the change in OS. 

I have turned router on/off and unplugged/plugged ethernet cable.  This seems to have improved things a bit but it still occured.   
 
I have the Iprimus Home Hub (Thomson).  Do I need to update a driver or anything because I changed OS. I have never had any problems with Router when I had XP and no dropouts on wirless laptop with Vista Business.
The diagnostic tool says it is a gateway problem.

Any ideas woudl be appreciated.

[Angus]

If the only thing that has changed is your Operating System, it could be your Ethernet Drivers.

Check the optional updates area of Windows Update (you can find this in Control Panel), an updated Ethernet driver may be available.

It could also be an "Internet Security" suite or firewall issue.

[Doublee]

Thanks for you reply. 
The suggestions haven't fixed the problem but it doesn't appear to be an ISP problem.  Although there is no where on the Iprimus site that indicates you can update the firmwire on the supplied router - the home hub.  Is this something I can or should check?     

It seems that a lot of people with Win 7 64 bit are having a simliar gateway problem when downloading - doesn't do it whne merely browsing.  It is always reconnected in troubleshooting by the OS but it is frustrating.  Perhaps a new network adpator would fix.

[Rory McMahon]

Although there is no where on the Iprimus site that indicates you can update the firmwire on the supplied router - the home hub.  Is this something I can or should check? 

The HomeHub can only be updated by our TR69 Management system, which will push out firmware updates and changes automatically.

It seems that a lot of people with Win 7 64 bit are having a simliar gateway problem when downloading - doesn't do it whne merely browsing.  It is always reconnected in troubleshooting by the OS but it is frustrating.  Perhaps a new network adpator would fix.

I'm guessing it's not a brand PC right? do you know what the make/model of the network card is?

Also are you using any 3rd party security / firewall software? If so try uninstalling it (even if the software isn't the cause of the problem, un-installing it can fix windows networking issues)

[Doublee]

Thanks for the reply.

Where can I find information or link to the  "TR69 Management system", I haven't heard of that before.

It is an Intel Network adaptor 10/100 on an Intel board.  I am at work so I can't get much more detail at the moment on the card.  I did uninstall AVG but it made no difference.  Windows defender is turned off.   

Cheers 

[Doublee]

Sorry I missed that point that the management system auto updates the router, correct?

[Doublee]

Network Card is Intel PRO/1000 PM

[Angus]

This is unlikely to fix the problem, but try anyway. Make your way to Device Manager and bring up the properties of your Ethernet adaptor, disable the option "Allow the computer to turn off this device".



Also, the Windows Event Viewer may have a clue (type the word event in the search box on the start menu).
Use the filter on the right to find any Critical or Warning events, they might hold a clue.

[Angus]

Network Card is Intel PRO/1000 PM

See if Intel have an updated driver.
http://downloadcenter.intel.com/default.aspx

[Doublee]

Thanks for the advice, it is appreciated. 

I had already tried the power management and my network card is now 4 or so years old and doesn't seem to have specific drivers for d/l.  Windows 7 installed one and says it the device is working fine. 
The event log message I get is a DNS client event and says:

name resolution for the name dns.msftncsi.com timed out after none of the configured DNS servers reponded.

Any ideas?
I am thinking buying and installing a new network card might solve it.  Any thoughts on that?

Cheers

[Doublee]

Hi,

Below I have pasted the IPCONFIG details from cmd.  Does any info there shed any light on the problem?  Thanks 

Microsoft Windows [Version 6.1.7600]
Copyright (c) 2009 Microsoft Corporation.  All rights reserved.
C:\Users\Mark>ipconfig/all
Windows IP Configuration
   Host Name . . . . . . . . . . . . : Mark-PC
   Primary Dns Suffix  . . . . . . . :
   Node Type . . . . . . . . . . . . : Hybrid
   IP Routing Enabled. . . . . . . . : No
   WINS Proxy Enabled. . . . . . . . : No
   DNS Suffix Search List. . . . . . : lan
Ethernet adapter Local Area Connection:
   Connection-specific DNS Suffix  . : lan
   Description . . . . . . . . . . . : Intel(R) PRO/1000 PM Network Connection
   Physical Address. . . . . . . . . : 00-13-20-98-22-58
   DHCP Enabled. . . . . . . . . . . : Yes
   Autoconfiguration Enabled . . . . : Yes
   Link-local IPv6 Address . . . . . : fe80::2c5d:b367:ebdb:c25c%11(Preferred)
   IPv4 Address. . . . . . . . . . . : 192.168.1.64(Preferred)
   Subnet Mask . . . . . . . . . . . : 255.255.255.0
   Lease Obtained. . . . . . . . . . : Thursday, 19 November 2009 8:20:51 PM
   Lease Expires . . . . . . . . . . : Friday, 20 November 2009 8:20:51 PM
   Default Gateway . . . . . . . . . : 192.168.1.254
   DHCP Server . . . . . . . . . . . : 192.168.1.254
   DHCPv6 IAID . . . . . . . . . . . : 234885920
   DHCPv6 Client DUID. . . . . . . . : 00-01-00-01-12-93-09-39-00-13-20-98-22-58
   DNS Servers . . . . . . . . . . . : 192.168.1.254
   NetBIOS over Tcpip. . . . . . . . : Enabled
Tunnel adapter isatap.lan:
   Media State . . . . . . . . . . . : Media disconnected
   Connection-specific DNS Suffix  . : lan
   Description . . . . . . . . . . . : Microsoft ISATAP Adapter
   Physical Address. . . . . . . . . : 00-00-00-00-00-00-00-E0
   DHCP Enabled. . . . . . . . . . . : No
   Autoconfiguration Enabled . . . . : Yes
Tunnel adapter Local Area Connection* 11:
   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
   IPv6 Address. . . . . . . . . . . : 2001:0:cf2e:3096:3016:182c:2ce4:35b8(Pref
erred)
   Link-local IPv6 Address . . . . . : fe80::3016:182c:2ce4:35b8%13(Preferred)
   Default Gateway . . . . . . . . . : ::
   NetBIOS over Tcpip. . . . . . . . : Disabled
C:\Users\Mark>

[Angus]

name resolution for the name dns.msftncsi.com timed out after none of the configured DNS servers reponded.

Unfortunately, that is a symptom, not a cause.

I am thinking buying and installing a new network card might solve it.  Any thoughts on that?

Maybe. Just be aware that buying a new network card may not fix the problem.

[Doublee]

Yes it may not solve.  If it doesn't seem to be the ISP or the modem (working fine on XP) and if I was to rule out the network card does   this mean it must be a setting in the netwrok properties or in Windows 7?

Thanks

[Rory McMahon]

Just out of curiosity, other than trying to browse websites, are you doing anything else on your computer when the drop-outs happen?

Like, are you listening to music on the computer by any chance? or are you running any of those media sharing things that window's 7 boasts?

Also, I'm surprised an Intel e1000 would have problems, but I guess trying another couldn't hurt, network cards aren't expensive (unless you're one of those extreme gamers that buy things like the Killer cards.

Also, was windows 7 a clean install or an upgrade? (I don't actually know if there is an upgrade or not, but I remember with XP-Vista this could be an issue)

[Doublee]

Thanks for your reply.

It was a clean install WIn XP Pro off. 

The drop offs are only really happening when torrenting and it seems when the speeds hit 500kb and over.  Can get to over 600 plus  and then drop.  It is pretty predictable.  I sit there and watch the speed go up then disconnect.  This never happened with XP.  IT may be my imagination or my bad memory but it even seems possible that it is even faster more consistently with Win 7. 

No drop outs with my son's STEAM account, online gaming no worries.   

I think I have narrowed down the problem but buggered if I can work out the solution.  I have limted the speed of my downloads on torrents and disabled the DHP setting (or whatever it is called).

It must be some sort of overload thing or something.  Main hassle is I can't go to bed and leave torrents to d/l in off peak!!!

Cheers   

[Rory McMahon]

The drop offs are only really happening when torrenting and it seems when the speeds hit 500kb and over.  Can get to over 600 plus  and then drop.  It is pretty predictable.  I sit there and watch the speed go up then disconnect. 

Ahhhh ok well try dropping the number of simultaneous connections in your torrent client, it won't affect the speed you get considerably but it should fix the issue.

When you're using NAT (Network Address Translation, used by routers that share an internet connection over a private network) the router has to track each connection and there is only a certain amount of ram allocated for this task, if the NAT table fills up, the router is unable to handle new connections.

Older generation routers can barely handle 100 simultaneous connections, newer and or more expensive ones can handle a bit more, but you'll find a torrent client works just fine if you set it to about 80 simultaneous connections.

[Doublee]

Thanks Rory that sounds like it could be the problem.  I'll adjust the settings and give it a go and let you and others interested how it goes.

   

[Doublee]

Doesn't seem to be the answer.  Still races to 500 odd and drops.  Limited connections to 80.  After drop out also disabled DHT network got going fast again and I justed noticed it just dropped off as I/ writing this.

I notice in some forums disabling some settings in the network card adapter, any thoughts in this?

Thanks.   

[Doublee]

Are there any settings below from IPCONFIG that may tell something?  IPv4 address? or maybe I need a new/better router.  I have the PRIMUS HOME HUB
Thanks

Microsoft Windows [Version 6.1.7600]
Copyright (c) 2009 Microsoft Corporation.  All rights reserved.

C:\Users\Mark>ipconfig

Windows IP Configuration


Ethernet adapter Local Area Connection:

   Connection-specific DNS Suffix  . : lan
   Link-local IPv6 Address . . . . . : fe80::2c5d:b367:ebdb:c25c%11
   IPv4 Address. . . . . . . . . . . : 192.168.1.64
   Subnet Mask . . . . . . . . . . . : 255.255.255.0
   Default Gateway . . . . . . . . . : 192.168.1.254

Tunnel adapter isatap.lan:

   Media State . . . . . . . . . . . : Media disconnected
   Connection-specific DNS Suffix  . : lan

Tunnel adapter Local Area Connection* 11:

   Connection-specific DNS Suffix  . :
   IPv6 Address. . . . . . . . . . . : 2001:0:cf2e:3096:3c30:182c:8b0f:2791
   Link-local IPv6 Address . . . . . : fe80::3c30:182c:8b0f:2791%13
   Default Gateway . . . . . . . . . : ::

C:\Users\Mark>

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