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Intermittent Connections...points to DHCP?


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#1
Grimsta2003

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Hi guys,

I'm new to this site and have some rather annoying connection problems. The computer is only a few months old and it is custom built. I have been having intermittent connection problems for about 3 weeks. I have been 'troubleshooting' it myself just to get acclimated to network settings, etc. I have a linksys wireless wrt45g2 router. The home connection is good but the problem shows somewhere between the modem and the internet. It disconnects every few minutes or so. When i run Road Runner Medic 6.1 it says that "A network card is improperly configured....." and labels it has a DHCP. It mentions that my card is supposed to get a new ip address every so often but doesn't. It then 'fixes the situation' but tells me the same thing the next time i run the program. My computer works fine without the router, so maybe there is a conflict between the router and the modem? Someone please help me!!! Thanks

Here are my settings from the router (its gives it for all my networks) :) :):confused::)

Wireless Network

MAC Address: 00:21:29:DA:A4:45
Mode: Mixed 11/54Mbps
SSID: myish
DHCP Server: Enable
Channel: 6
Encryption Function: Enable


Local Network

MAC Address: 00:21:29:DA:A4:43
IP Address: 192.168.1.100
Subnet Mask: 255.255.255.0
DHCP Server: Enable
Start IP Address: 192.168.1.101
End IP Address: 192.168.1.150


Router Information

Firmware Version: 1.0.01 build 003, Mar. 26, 2008
Current Time: Tue, Jan 20 2009 16:51:00
MAC Address: 00:21:29:DA:A4:44
Router Name: WRT54G2
Host Name:
Domain Name: carolina.rr.com
Login Type: Automatic Configuration - DHCP
IP Address: 98.24.22.189
Subnet Mask: 255.255.248.0
Default Gateway: 98.24.16.1
DNS 1: 24.25.5.148
DNS 2: 24.25.5.147
DNS 3:
MTU: 1500

--------------------------------------------------------------------------------
And here is the old fashioned ipconfig /all

Microsoft Windows XP [Version 5.1.2600]
© Copyright 1985-2001 Microsoft Corp.

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

Windows IP Configuration

Host Name . . . . . . . . . . . . : ANTONIO-9A1E8F5
Primary Dns Suffix . . . . . . . :
Node Type . . . . . . . . . . . . : Unknown
IP Routing Enabled. . . . . . . . : No
WINS Proxy Enabled. . . . . . . . : No
DNS Suffix Search List. . . . . . : carolina.rr.com

Ethernet adapter Local Area Connection 3:

Media State . . . . . . . . . . . : Media disconnected
Description . . . . . . . . . . . : Linksys LNE100TX(v5) Fast Ethernet Adapter
Physical Address. . . . . . . . . : 00-1E-E5-D8-10-7D

Ethernet adapter Local Area Connection:

Connection-specific DNS Suffix . : carolina.rr.com
Description . . . . . . . . . . . : Realtek RTL8168C(P)/8111C(P) PCI-E Gigabit Ethernet NIC
Physical Address. . . . . . . . . : 00-1F-D0-8F-47-EE
Dhcp Enabled. . . . . . . . . . . : Yes
Autoconfiguration Enabled . . . . : Yes
IP Address. . . . . . . . . . . . : 192.168.1.102
Subnet Mask . . . . . . . . . . . : 255.255.255.0
Default Gateway . . . . . . . . . : 192.168.1.100
DHCP Server . . . . . . . . . . . : 192.168.1.100
DNS Servers . . . . . . . . . . . : 24.25.5.148
24.25.5.147
Lease Obtained. . . . . . . . . . : Tuesday, January 20, 2009 7:50:49 PM

Lease Expires . . . . . . . . . . : Wednesday, January 21, 2009 7:50:49 PM

C:\Documents and Settings\Owner>

Edited by Grimsta2003, 20 January 2009 - 07:00 PM.

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#2
Dan

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Hey Grimsta2003,

I've known a few people to have issues losing their Wireless connection due to the Wireless Zero Configuration utility. Just to rule this out, can you please do the following:

Once you have established a connection, goto Start --> Run --> type services.msc and press OK --> Scroll down to Wireless Zero Configuration (it'll be at the bottom), right-click and select Properties --> Click Stop -- wait for the service to stop, and then click OK. Now, continue using your Internet normally; do you still lose your Internet connection?

- Dan
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#3
abneb217

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Unless I'm missing something, from the ipconfig /all it doesn't look like he has a wireless card in the system.

I would start by trying to plug the network cable into the other NIC (Linksys LNE100TX) & see if that helps. Alternatively, try downloading the latest driver available for the Realtek card and see if that helps - Realtek NIC driver

AB

Edited by abneb217, 21 January 2009 - 03:28 AM.

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#4
Dan

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That's very true, AB. I just saw the "linksys wireless wrt45g2 router" and assumed wireless.
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#5
Grimsta2003

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Thanks for the suggestions guys,

Dan....I tried that cmd but it is already stopped!!! I have a Gigabit LAN that is build-in and also have a secondary which i think is the one you guys see. I tried upgrading driver on the Gigabit LAN and even rerolling to a previous driver but neither has worked. I have attached a few pictures to show you what i am encountering through the LEAL linksys program.

Attached Thumbnails

  • troubleshoot.jpg
  • Picture_004.jpg

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#6
abneb217

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did you try using the "secondary network card" ?
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#7
Dan

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If it's telling you that you're experiencing DHCP issues, the first thing I would try would be to setup a static IP.

Goto Start --> Programs --> Accessories --> Communications --> Network Connections --> Right click on your Local Area Connection --> Select Properties --> Click on Internet Protocl (TCP/IP) once and press the Properties button --> Select the option Use the following IP Address: --> Enter in the following details:
IP Address: 192.168.1.102
Subnet Mask: 255.255.255.0
Default Gateway: 192.168.1.100

Now select Use the following DNS Servers --> Enter in the following information:
DNS Servers: 24.25.5.148 and 24.25.5.147 --> Press OK.

If you still experience the loss of connection, please goto Start --> Run --> type EVENTVWR and press OK --> Now, look under the System log for any errors and/or warnings that occur around the time that you lose your Internet connection. If you find any, please post the relevant heading, along with the details inside by double clicking on the error/warning, and then copy/pasting the information from within.

- Dan
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#8
Grimsta2003

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Dan,

As soon as i closed out of the Network Configurations and it changed the settings this is the box that popped up:

The static IP address that was just configured is already in use on the network. Please reconfigure a different IP address.


It's weird...seems like i am in dynamic settings but the computer thinks i'm in static settings (for the past couple of weeks, not just because of this change). I switched it back to auto settings so that i could get on and post this.

Here are the top 5 logs from the instructions you gave me.

Event Type: Warning
Event Source: Tcpip
Event Category: None
Event ID: 4226
Date: 1/22/2009
Time: 4:23:10 PM
User: N/A
Computer: ANTONIO-9A1E8F5
Description:
TCP/IP has reached the security limit imposed on the number of concurrent TCP connect attempts.

For more information, see Help and Support Center at http://go.microsoft....link/events.asp.
Data:
0000: 00 00 00 00 01 00 54 00 ......T.
0008: 00 00 00 00 82 10 00 80 ....‚..€
0010: 01 00 00 00 00 00 00 00 ........
0018: 00 00 00 00 00 00 00 00 ........
0020: 00 00 00 00 00 00 00 00 ........
__________________________________
Event Type: Warning
Event Source: Dhcp
Event Category: None
Event ID: 1003
Date: 1/22/2009
Time: 4:00:12 PM
User: N/A
Computer: ANTONIO-9A1E8F5
Description:
Your computer was not able to renew its address from the network (from the DHCP Server) for the Network Card with network address 001FD08F47EE. The following error occurred:
The operation was canceled by the user. . Your computer will continue to try and obtain an address on its own from the network address (DHCP) server.

For more information, see Help and Support Center at http://go.microsoft....link/events.asp.
Data:
0000: c7 04 00 00 Ç...
_______________________
Event Type: Information
Event Source: Tcpip
Event Category: None
Event ID: 4201
Date: 1/22/2009
Time: 4:00:03 PM
User: N/A
Computer: ANTONIO-9A1E8F5
Description:
The system detected that network adapter \DEVICE\TCPIP_{B6478E11-6A2C-4845-8152-E5F132090C42} was connected to the network, and has initiated normal operation over the network adapter.

For more information, see Help and Support Center at http://go.microsoft....link/events.asp.
Data:
0000: 00 00 00 00 02 00 50 00 ......P.
0008: 00 00 00 00 69 10 00 40 ....i..@
0010: 02 00 00 00 00 00 00 00 ........
0018: 00 00 00 00 00 00 00 00 ........
0020: 00 00 00 00 00 00 00 00 ........
___________________________________
Event Type: Warning
Event Source: Dhcp
Event Category: None
Event ID: 1007
Date: 1/22/2009
Time: 3:54:00 PM
User: N/A
Computer: ANTONIO-9A1E8F5
Description:
Your computer has automatically configured the IP address for the Network Card with network address 001FD08F47EE. The IP address being used is 169.254.250.213.

For more information, see Help and Support Center at http://go.microsoft....link/events.asp.
Data:
0000: 00 00 00 00 ....
_______________________
Event Type: Warning
Event Source: Dhcp
Event Category: None
Event ID: 1003
Date: 1/22/2009
Time: 3:53:00 PM
User: N/A
Computer: ANTONIO-9A1E8F5
Description:
Your computer was not able to renew its address from the network (from the DHCP Server) for the Network Card with network address 001FD08F47EE. The following error occurred:
The operation was canceled by the user. . Your computer will continue to try and obtain an address on its own from the network address (DHCP) server.

For more information, see Help and Support Center at http://go.microsoft....link/events.asp.
Data:
0000: c7 04 00 00 Ç...

Antonio
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#9
Dan

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As soon as i closed out of the Network Configurations and it changed the settings this is the box that popped up:

The static IP address that was just configured is already in use on the network. Please reconfigure a different IP address.

Can you repeat the Static IP process but try a different IP -- i.e. try 192.168.1.110, or 192.168.1.30 -- does the same error occur?

If the problem persists, the next time you lose your connection can you please post a fresh ipconfig /all? I should respond more quickly today :)
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#10
Grimsta2003

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Dan,

You are the man. It took me a while but basically your approach worked. I think i had too many things trying to do dynamic ip routing. So i made some static configurations through the router's settings. At first i was still having to reset connection but only every few hours. Now i think that it is fully up and running for the most part. I also disabled the Gigabit Fast Ethernet NIC on the mobo and used the cheap extra that I installed. Thanks!!!

Antonio :) :) :) :killcomp: :upset: :P :P
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#11
Dan

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That's great to hear, Antonio :) Thanks for letting us know how you managed to resolve your issue; feedback is always appreciated and will hopefully help future users :) I'm glad we could help.

- Dan
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#12
Grimsta2003

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OK Dan I'm back lol. I guess i was delusional because i continue to have the same problem lol. Time Warner came out and said that my signals are fine and everything is within acceptable ranges. He said that it may be something wrong with my computer, possibly software. Do you or any of your colleagues know what would make a router lose communication with a cable modem constantly? It seems that there is a possible DHCP problem between those two as I'd lose connection to the Internet and not within my home network!

Antonio
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#13
123Runner

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Have you tried resetting the router and the modem?

Disconnect power from the router (unplug).
Disconnect power from the modem (unplug).

Connect power to the modem. let it finish its self diagnosis.
Connect power to the router. let it finish its self diagnosis.

Does it work?

No joy, then do a hard reset on the router to put it back to factory specs. There should be a spot on the front (or back) labeled reset. You need to use something small like a paper clip.
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#14
Grimsta2003

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I have done both so many times that I just may be in the Guiness book of records. I've also tried resetting to default settings on router.
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