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Windows 7: 3 pcs on a network


22 Aug 2013   #1

XP Pro & W7
 
 
3 pcs on a network

Hi, I have 2 XP and 1 Windows 7 pc's all on a network, they all talk to each other fine and exchange files via a 4 port switcher connected to a single router

The 2 XP pc's can get the internet when connected at the same time
The Windows 7 pc can get the internet when connected on its own
BUT
No pc can get the internet when all 3 are connected to the switch

All professional versions of each software

I suspect the Windows 7 setup,, any ideas please.
Thanks

My System SpecsSystem Spec
.

22 Aug 2013   #2

Windows 7 Ult, Windows 8.1 Pro,
 
 

Quote   Quote: Originally Posted by Cameraman View Post
Hi, I have 2 XP and 1 Windows 7 pc's all on a network, they all talk to each other fine and exchange files via a 4 port switcher connected to a single router

The 2 XP pc's can get the internet when connected at the same time
The Windows 7 pc can get the internet when connected on its own
BUT
No pc can get the internet when all 3 are connected to the switch

All professional versions of each software

I suspect the Windows 7 setup,, any ideas please.
Thanks
If you can post the ipconfig/all from all three machines when they are connected to the switch it would be helpful in diagnosing this problem.

The model number of the router and the switch would also be helpful.
My System SpecsSystem Spec
22 Aug 2013   #3

XP Pro & W7
 
 
as per your request

Hi Chev, thanks for your quick response
Here is the printout from running ipconfig on each machine when connected.
Cant tell you a make of the switch its a simple 4port box with 4 RJ connectors. 3 to the pc's and one to a BT internet 3 router
Not quiet sure why the printouts for the two XP machines are so different but each is copied here in full (I added the pc names
--------------------
Windows IP Configuration Windows windows XP PC1

Host Name . . . . . . . . . . . . : a-cd94e82b6f3f4
Primary Dns Suffix . . . . . . . :
Node Type . . . . . . . . . . . . : Unknown
IP Routing Enabled. . . . . . . . : No
WINS Proxy Enabled. . . . . . . . : No
DNS Suffix Search List. . . . . . : home

Ethernet adapter Local Area Connection:

Connection-specific DNS Suffix . : home
Description . . . . . . . . . . . : Realtek RTL8139 Family PCI Fast Ethe
rnet NIC
Physical Address. . . . . . . . . : 00-01-08-00-48-FB
Dhcp Enabled. . . . . . . . . . . : Yes
Autoconfiguration Enabled . . . . : Yes
IP Address. . . . . . . . . . . . : 192.168.1.71
Subnet Mask . . . . . . . . . . . : 255.255.255.0
Default Gateway . . . . . . . . . : 192.168.1.254
DHCP Server . . . . . . . . . . . : 192.168.1.254
DNS Servers . . . . . . . . . . . : 192.168.1.254
192.168.1.254
Lease Obtained. . . . . . . . . . : 22 August 2013 17:39:52
Lease Expires . . . . . . . . . . : 23 August 2013 17:39:52
------------------------------------------------------------------------------
Windows IP Configuration Windows XP PC2

Host Name . . . . . . . . . . . . : b-fast
Primary Dns Suffix . . . . . . . :
Node Type . . . . . . . . . . . . : Unknown
IP Routing Enabled. . . . . . . . : No
WINS Proxy Enabled. . . . . . . . : No
DNS Suffix Search List. . . . . . : home

Ethernet adapter Local Area Connection:

Connection-specific DNS Suffix . : home
Description . . . . . . . . . . . : VIA Compatable Fast Ethernet Adapter

Physical Address. . . . . . . . . : 00-13-8F-FE-09-1A
Dhcp Enabled. . . . . . . . . . . : Yes
Autoconfiguration Enabled . . . . : Yes
IP Address. . . . . . . . . . . . : 192.168.1.66
Subnet Mask . . . . . . . . . . . : 255.255.255.0
IP Address. . . . . . . . . . . . : fe80::213:8fff:fefe:91a%4
Default Gateway . . . . . . . . . : 192.168.1.254
DHCP Server . . . . . . . . . . . : 192.168.1.254
DNS Servers . . . . . . . . . . . : 192.168.1.254
192.168.1.254
fec0:0:0:ffff::1%1
fec0:0:0:ffff::2%1
fec0:0:0:ffff::3%1
Lease Obtained. . . . . . . . . . : 22 August 2013 17:40:11
Lease Expires . . . . . . . . . . : 23 August 2013 17:40:11

Tunnel adapter Teredo Tunneling Pseudo-Interface:

Connection-specific DNS Suffix . :
Description . . . . . . . . . . . : Teredo Tunneling Pseudo-Interface
Physical Address. . . . . . . . . : 00-00-EE-C4-A9-77-AE-D1
Dhcp Enabled. . . . . . . . . . . : No
IP Address. . . . . . . . . . . . : 2001:0:5ef5:79fb:0:eec4:a977:aed1
IP Address. . . . . . . . . . . . : fe80::ffff:ffff:fffd%5
Default Gateway . . . . . . . . . : ::
NetBIOS over Tcpip. . . . . . . . : Disabled

Tunnel adapter Automatic Tunneling Pseudo-Interface:

Connection-specific DNS Suffix . : home
Description . . . . . . . . . . . : Automatic Tunneling Pseudo-Interface

Physical Address. . . . . . . . . : C0-A8-01-42
Dhcp Enabled. . . . . . . . . . . : No
IP Address. . . . . . . . . . . . : fe80::5efe:192.168.1.66%2
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. . . . . . . . : Disabled
----------------------------------------------------------------
Windows IP Configuration Windows 7 PC3


Host Name . . . . . . . . . . . . : EXTREME
Primary Dns Suffix . . . . . . . :
Node Type . . . . . . . . . . . . : Hybrid
IP Routing Enabled. . . . . . . . : No
WINS Proxy Enabled. . . . . . . . : No
DNS Suffix Search List. . . . . . : home

Ethernet adapter Local Area Connection 2:

Media State . . . . . . . . . . . : Media disconnected
Connection-specific DNS Suffix . : home
Description . . . . . . . . . . . : Marvell Yukon 88E8056 PCI-E Gigabit Ether
net Controller #2
Physical Address. . . . . . . . . : 00-23-54-8A-90-8C
DHCP Enabled. . . . . . . . . . . : Yes
Autoconfiguration Enabled . . . . : Yes

Ethernet adapter Local Area Connection:

Connection-specific DNS Suffix . : home
Description . . . . . . . . . . . : Marvell Yukon 88E8056 PCI-E Gigabit Ether
net Controller
Physical Address. . . . . . . . . : 00-23-54-8A-95-6F
DHCP Enabled. . . . . . . . . . . : Yes
Autoconfiguration Enabled . . . . : Yes
Link-local IPv6 Address . . . . . : fe80::4587:cd99:1896:3b96%10(Preferred)
IPv4 Address. . . . . . . . . . . : 192.168.1.73(Preferred)
Subnet Mask . . . . . . . . . . . : 255.255.255.0
Lease Obtained. . . . . . . . . . : 22 August 2013 17:38:02
Lease Expires . . . . . . . . . . : 23 August 2013 19:32:12
Default Gateway . . . . . . . . . : 192.168.1.254
DHCP Server . . . . . . . . . . . : 192.168.1.254
DHCPv6 IAID . . . . . . . . . . . : 234890068
DHCPv6 Client DUID. . . . . . . . : 00-01-00-01-17-20-CA-2B-00-23-54-8A-95-6F

DNS Servers . . . . . . . . . . . : 192.168.1.254
192.168.1.254
NetBIOS over Tcpip. . . . . . . . : Enabled

Tunnel adapter isatap.home:

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

Tunnel adapter Teredo Tunneling Pseudo-Interface:

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. . . . . . . . . . . : 2001:0:5ef5:79fb:31:248f:a977:aed1(Prefer
red)
Link-local IPv6 Address . . . . . : fe80::31:248f:a977:aed1%14(Preferred)
Default Gateway . . . . . . . . . : ::
NetBIOS over Tcpip. . . . . . . . : Disabled
My System SpecsSystem Spec
.


22 Aug 2013   #4

Microsoft Windows 7 Home Premium 64-bit 7601 Multiprocessor Free Service Pack 1
 
 

Odds are, you can find the brand and model of your router by going to http://192.168.1.254 See this page for an explanation: http://compnetworking.about.com/od/w...68-1-254-d.htm

The webpage that should come up will have a brand name and model on the opening page. Once you have that information, you should be able to find the default username and password at the manufacturer's support page.

One thing I'm wondering is, is the connection to your modem the same as all of the other ports, or is there a specific port that is marked for the modem? I would be surprised if it plugged into the same type of port as all the rest of your devices.
My System SpecsSystem Spec
23 Aug 2013   #5

XP Pro & W7
 
 

Sorry, maybe I did not explain clearly, the 3 pc's each plug into a Simple 4way local RJ45 box marked 4 port switch, the 4th port GOES to a BT home hub router that has 3 RJ45 connectors, one from the local PC Switcher the other two from satellite PVR's, the PVR's and 2 other the pc's all access the internet fine. The 3 pc's all talk to each other fine. My problem is, when I plug the Windows 7 pc NONE of the pc's can access the internet, when I plug the Windows 7 pc into the local switcher on its own and unplug the other two pc's, that third Windows 7 pc can get the internet.
My System SpecsSystem Spec
23 Aug 2013   #6

Windows 7 Ult, Windows 8.1 Pro,
 
 

I'm a bit confused on the network arrangement.

I don't see how the Windows 7 machine would bring down the entire network unless it's not being plugged into the correct port location but the description of this network has me a bit confused. Local PC switcher?
My System SpecsSystem Spec
23 Aug 2013   #7

Microsoft Windows 7 Home Premium 64-bit 7601 Multiprocessor Free Service Pack 1
 
 

Quote   Quote: Originally Posted by chev65 View Post
I'm a bit confused on the network arrangement.

I don't see how the Windows 7 machine would bring down the entire network unless it's not being plugged into the correct port location but the description of this network has me a bit confused. Local PC switcher?
That's what made me wonder if the correct ports were being used at the router. I think a good idea might be to switch the Windows 7 port and the modem port and see if things change.
My System SpecsSystem Spec
23 Aug 2013   #8

XP Pro & W7
 
 

OK, I have actually found the manufacturer of the "switch" the 3 pc's are plugged into.
Ethernet Switch/5-port Fast Ethernet Switch Ethernet Switch Manufacturer & Wholesale Supplier From Taiwan - Pro-Nets Technology Corp.
It is the ES3105CH4 Full Duplex Ethernet Switch a 4th cable goes from this switch to the BT router.
Remember ALL pcs can talk to each other when all 3 are plugged into the switch (file exchange etc)
all 3 pc's can get the internet ok just NOT when all 3 are plugged in together the two XP pc's are ok together, the Windows 7 Pc is ok on its own
Thanks for your assistance
My System SpecsSystem Spec
23 Aug 2013   #9

Windows 7 Ult, Windows 8.1 Pro,
 
 

It sounds like something isn't plugged in correctly or the router is having problems. This despite the fact that they are all showing a valid IP in the correct subnet.

Have you tried rebooting or resetting the router?
My System SpecsSystem Spec
23 Aug 2013   #10

XP Pro & W7
 
 

re-Booted router no difference, had an idea and looked in events and found this:
The IP address lease 192.168.1.73 for the Network Card with network address 0x0023548A956F has been denied by the DHCP server 192.168.1.254 (The DHCP Server sent a DHCPNACK message).
Am using said Windows 7 pc but without the other 2 pc's connected to the my network.
My System SpecsSystem Spec
Reply

 3 pcs on a network




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