two PCs connected to router - internet slow

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orengreen

Thread Starter
Joined
Nov 9, 2011
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4
Hello everyone,
I have two computers at home - one connected to a router via wire, the other via wireless.
The first PC is used most of the day, the second mostly at evening.
I recently upgraded my internet subscription to 10Mbit.
The connections is fine as long as only PC #1 is working (~1000 kb/sec). As soon as PC #2 is turned on, the speed drops drastically (~100 kb/sec), even if it nothing major is done on it, such as casual web browsing (no dl, no youtube, no streaming etc).
What's going on here? What can I do?

Thanks!
 
Joined
Feb 9, 2008
Messages
1,862
Need a better discription of what is happening.
What make/model computers?
What make/model router?
What type of internet connection?
Are the speeds you show Internet download or LAN data transfer rates between a computer and the router?
Download speed is measured in bits/sec and data transfer in Bytes/sec.
one Byte = about 8 bits

10 Mbits/sec = 10000 Kbits/sec = about 1250 KBytes/sec
 

orengreen

Thread Starter
Joined
Nov 9, 2011
Messages
4
Two laptops - (1)Lenovo Thinkpad and (2)Asus EEE-PC
Router - LevelOne WBR-6001
Internet connection - DSL NGN 10 Mbits/sec
When #1 is the only one connected - all is well and dl speeds are ~maximum
When #2 joins in - dl speeds seen on PC #1 go down.
Now a small decrease, when both PCs share the internet connection, would make sense. But all it takes is for PC#2 to be connected (even casual web surfing) and speeds in PC#1 are down by 80-90%, not to mention frequent disconnections with various dl servers.

Hope this makes sense
 

TerryNet

Terry
Moderator
Joined
Mar 23, 2005
Messages
81,395
When #2 joins in - dl speeds seen on PC #1 go down.
And it doesn't matter whether #2 is connected by ethernet or Wi-Fi?

Please show for both ...

Start, Run, CMD, OK to open a command prompt:
(For Vista or 7 type CMD in the Search box after Start)

Type the following command:

IPCONFIG /ALL

[Note that there is no space between the slash and ALL.]

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

If necessary use a text file and removable media to copy the results to a computer with internet access.
 

orengreen

Thread Starter
Joined
Nov 9, 2011
Messages
4
Laptop #2 is always connected via wi-fi, I never tried ethernet
I forgot to mention a desktop that's connected to the router via ethernet, but it's hardly ever turned on.
Should I post some outputs from my router?
The router's pooling IP address is from 154 to 157, and "WAN type" is "static address"

output from laptop #1:
Microsoft Windows [Version 6.1.7601]
Copyright (c) 2009 Microsoft Corporation. All rights reserved.

C:\Users\Lenovo>ipconfig/all

Windows IP Configuration

Host Name . . . . . . . . . . . . : Lenovo-THINK
Primary Dns Suffix . . . . . . . :
Node Type . . . . . . . . . . . . : Hybrid
IP Routing Enabled. . . . . . . . : No
WINS Proxy Enabled. . . . . . . . : No

Wireless LAN adapter Wireless Network Connection:

Media State . . . . . . . . . . . : Media disconnected
Connection-specific DNS Suffix . :
Description . . . . . . . . . . . : 11b/g/n Wireless LAN Mini-PCI Express Ad
apter II
Physical Address. . . . . . . . . : 00-26-5E-EA-B7-85
DHCP Enabled. . . . . . . . . . . : Yes
Autoconfiguration Enabled . . . . : Yes

Ethernet adapter Local Area Connection:

Connection-specific DNS Suffix . :
Description . . . . . . . . . . . : Intel(R) 82567LM Gigabit Network Connecti
on
Physical Address. . . . . . . . . : 00-24-7E-68-DE-51
DHCP Enabled. . . . . . . . . . . : Yes
Autoconfiguration Enabled . . . . : Yes
Link-local IPv6 Address . . . . . : fe80::cc39:990b:378f:5aad%10(Preferred)
IPv4 Address. . . . . . . . . . . : 192.168.0.154(Preferred)
Subnet Mask . . . . . . . . . . . : 255.255.255.0
Lease Obtained. . . . . . . . . . : Wednesday, November 09, 2011 14:59:43
Lease Expires . . . . . . . . . . : Wednesday, November 16, 2011 14:59:42
Default Gateway . . . . . . . . . : 192.168.0.1
DHCP Server . . . . . . . . . . . : 192.168.0.1
DHCPv6 IAID . . . . . . . . . . . : 234890366
DHCPv6 Client DUID. . . . . . . . : 00-01-00-01-16-05-64-9D-00-24-7E-68-DE-51

DNS Servers . . . . . . . . . . . : 80.179.52.100
80.179.55.100
192.168.0.1
NetBIOS over Tcpip. . . . . . . . : Enabled

Ethernet adapter VirtualBox Host-Only Network:

Connection-specific DNS Suffix . :
Description . . . . . . . . . . . : VirtualBox Host-Only Ethernet Adapter
Physical Address. . . . . . . . . : 08-00-27-00-44-4F
DHCP Enabled. . . . . . . . . . . : No
Autoconfiguration Enabled . . . . : Yes
Link-local IPv6 Address . . . . . : fe80::8948:8714:a122:31b7%14(Preferred)
IPv4 Address. . . . . . . . . . . : 192.168.56.1(Preferred)
Subnet Mask . . . . . . . . . . . : 255.255.255.0
Default Gateway . . . . . . . . . :
DHCPv6 IAID . . . . . . . . . . . : 453509159
DHCPv6 Client DUID. . . . . . . . : 00-01-00-01-16-05-64-9D-00-24-7E-68-DE-51

DNS Servers . . . . . . . . . . . : fec0:0:0:ffff::1%1
fec0:0:0:ffff::2%1
fec0:0:0:ffff::3%1
NetBIOS over Tcpip. . . . . . . . : Enabled

Tunnel adapter isatap.{3FDA217B-FE00-4CFB-B3EF-543A4C2FF075}:

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

Tunnel adapter isatap.{0539AE60-39BC-441B-AD5D-1BC0FB70EE56}:

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

Media State . . . . . . . . . . . : Media disconnected
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

Tunnel adapter isatap.{D9484D75-02A5-477C-8FF7-188E123A0208}:

Media State . . . . . . . . . . . : Media disconnected
Connection-specific DNS Suffix . :
Description . . . . . . . . . . . : Microsoft ISATAP Adapter #3
Physical Address. . . . . . . . . : 00-00-00-00-00-00-00-E0
DHCP Enabled. . . . . . . . . . . : No
Autoconfiguration Enabled . . . . : Yes

output from laptop #2: in the post below
 

orengreen

Thread Starter
Joined
Nov 9, 2011
Messages
4
Microsoft Windows XP [Version 5.1.2600]
(C) Copyright 1985-2001 Microsoft Corp.

C:\Documents and Settings\user>ipconfig/all

Windows IP Configuration

Host Name . . . . . . . . . . . . : user-4a493b4e72
Primary Dns Suffix . . . . . . . :
Node Type . . . . . . . . . . . . : Hybrid
IP Routing Enabled. . . . . . . . : No
WINS Proxy Enabled. . . . . . . . : No

Ethernet adapter Local Area Connection:

Media State . . . . . . . . . . . : Media disconnected
Description . . . . . . . . . . . : Atheros AR8132 PCI-E Fast Ethernet C
ontroller
Physical Address. . . . . . . . . : 90-E6-BA-9A-3C-C9

Ethernet adapter Wireless Network Connection:

Connection-specific DNS Suffix . :
Description . . . . . . . . . . . : Atheros AR9285 Wireless Network Adap
ter
Physical Address. . . . . . . . . : 00-25-D3-C9-06-F5
Dhcp Enabled. . . . . . . . . . . : Yes
Autoconfiguration Enabled . . . . : Yes
IP Address. . . . . . . . . . . . : 192.168.0.157
Subnet Mask . . . . . . . . . . . : 255.255.255.0
Default Gateway . . . . . . . . . : 192.168.0.1
DHCP Server . . . . . . . . . . . : 192.168.0.1
DNS Servers . . . . . . . . . . . : 80.179.52.100
80.179.55.100
192.168.0.1
Lease Obtained. . . . . . . . . . : Thursday, November 10, 2011 7:49:44
PM
Lease Expires . . . . . . . . . . : Thursday, November 17, 2011 7:49:44
PM

C:\Documents and Settings\user>Microsoft Windows XP [Version 5.1.2600]
(C) Copyright 1985-2001 Microsoft Corp.
 

TerryNet

Terry
Moderator
Joined
Mar 23, 2005
Messages
81,395
Nothing obvious.

Make sure you have the latest wireless driver from the laptop manufacturer's web site. If you have the latest driver reinstall it (in case the installed instance is corrupted).

(From a JohnWill post)

TCP/IP stack repair options for use with Windows XP with SP2 or SP3.

Start, Run, CMD, OK to open a command prompt.

Reset WINSOCK entries to installation defaults: netsh winsock reset catalog

Reset TCP/IP stack to installation defaults. netsh int ip reset reset.log

Reboot the machine.
 
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