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Windows 7: Internet drop

13 Jan 2011   #1
dilyan

Windows 7 Home Premium 64bit
 
 
Internet drop

Hi all,
i have network in my company with BSD based router(with dhcp). In the network there are around 60 pc's. Most of them are on XP, and few are using Windows 7. The XP machines are working with no network problems, except these with 7. The problem exists when connected no matters LAN or wireless. One of the PCs had no problems till an windows update(few days ago. Not updated before). After updating windows the problem appear.
When the internet drops all have local network. Can not ping gateway and everything outside. And this is periodically with no any logic.
I checked for the bonjour service and for the gateway. Tried disable IPv6. Computers are clean of viruses and etc. And have no specific software that can cause the problem.
Any suggestions?

Thanks in advice!


My System SpecsSystem Spec
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13 Jan 2011   #2
Johnathan Lyman

Windows 7 Ultimate 64-bit
 
 

First thing I would look at is making sure your Wireless drivers are up to date. Since you probably have multiple types of mobile machines, I can't post "one link to rule them all" (lol).

And to clarify, did ALL of the machines exhibit this problem after the Windows update? Do you know what update it was? If you un-installed the update, does normal functionality return?
My System SpecsSystem Spec
13 Jan 2011   #3
dilyan

Windows 7 Home Premium 64bit
 
 

The mobile machines are 15 all others are desktop. The problem exist on the LAN network too. I think there is something in the win 7. There is no logical explination to be somwhere else.
Three of the machines are updating periodically, but this one, that i updated few days ago. After updating windows installed all of the released updates. Only my Windows is Home Premium, the others 4 are Ultimate.
My System SpecsSystem Spec
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13 Jan 2011   #4
Johnathan Lyman

Windows 7 Ultimate 64-bit
 
 

I'm sorry, I didn't understand all of that.

Have you in fact updated your wireless (and LAN) drivers for the machines in question?
My System SpecsSystem Spec
13 Jan 2011   #5
dilyan

Windows 7 Home Premium 64bit
 
 

Yes, they are up to date. The problem is not in the drivers. 5 different laptops with different LAN and wireless cards.


Sorry for the english, i'm bulgarian.
My System SpecsSystem Spec
13 Jan 2011   #6
chev65

Windows 7 Ult, Windows 8.1 Pro,
 
 

The facts are that your router is the most likely culprit, most every router, especially older ones will require a firmware update in order to work properly with Windows 7.

Unless you actually think that every last one of your machines isn't compatible with Windows 7?
My System SpecsSystem Spec
13 Jan 2011   #7
dilyan

Windows 7 Home Premium 64bit
 
 

The router is a server machine with Free BSD OS it's updating automaticly too. The config for the two networks is OK(i have second DHCP pool for guests). I think the problem is somwhere in the middle. May be there is a new service in windows 7 that the BSD do not like, and when the service is checking(or running) router cuts the connection.
I can't just like that reinstall the router. The company is working 24/7 every day, and on that machine there is samba, network monitoring interface(samba, zenoss), mail notificator, two dhcp pools, and many other things, without who the company must stop working. I must just find where is the exact problem.
My System SpecsSystem Spec
13 Jan 2011   #8
Johnathan Lyman

Windows 7 Ultimate 64-bit
 
 

Quote   Quote: Originally Posted by dilyan View Post
The router is a server machine with Free BSD OS it's updating automaticly too. The config for the two networks is OK(i have second DHCP pool for guests). I think the problem is somwhere in the middle. May be there is a new service in windows 7 that the BSD do not like, and when the service is checking(or running) router cuts the connection.
I can't just like that reinstall the router. The company is working 24/7 every day, and on that machine there is samba, network monitoring interface(samba, zenoss), mail notificator, two dhcp pools, and many other things, without who the company must stop working. I must just find where is the exact problem.
So the router really isn't a router, it's a server...

My suggestion is invest in a dedicated router, something business-class to handle network routing and management specifically. That's it.
My System SpecsSystem Spec
14 Jan 2011   #9
dilyan

Windows 7 Home Premium 64bit
 
 

Do you really think that the problem is in the router?
My System SpecsSystem Spec
14 Jan 2011   #10
Johnathan Lyman

Windows 7 Ultimate 64-bit
 
 

Quote   Quote: Originally Posted by dilyan View Post
Do you really think that the problem is in the router?
I REALLY think the only way to know is to try. From how you described the setup, I'm not seeing an actual router (by definition) but a server doing routing functions, which that in itself confuses me on how that can be done.

Having a dedicated router that has powerful features behind it will actually make life much easier for you or whomever works on it.

One of these: Cisco 800 Series Routers - Products & Services - Cisco Systems

With one of these: Cisco Catalyst 2960 Series Switches - Products & Services - Cisco Systems

would open up crazy doors when it comes to network management that no server with some routing OS on it could do.

----------------------------

BUT, if the router ISN'T the problem, we can also say the wireless cards inside the machines may not be fully Windows 7-compatible, they are faulting in some way or the Windows 7 Drivers for them are faulty.
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