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Odd Router problem


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5 replies to this topic

#1 bobchmara

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Posted 30 August 2010 - 08:25 AM

This past weekend, I decided to reinstall my old Dell D810 laptop. The Windows XP SP2 installation went well, and the drivers all seemed to install correctly. At this point, I haven't installed any apps other than those packaged with the dell drivers. I haven't even installed AV software yet.

Prior to the reinstall, I never had any problem connecting to the internet, either through a wired connection, or though the built in 802.11g NIC.

At home, I'm connected to Comcast using a Motorola Surfboard Cable Modem. Behind that is a Netgear FVS318G Gigabit 8 Port VPN enabled router (I currently do not have the VPN functions configured). Connected to the router is a Linksys E3000 wireless router setup as an access point (dhcp off, etc.) The 5GHz band is setup as wireless N only, and the 2.4GHz band is setup as wireless G only, both using WPA2. I also have an older (D-Link I think) 100BASE-TX switch to handle older stuff.

I'll mention that between the five of us in the house, we have 7 other computers, a networked multifunction printer/scanner, an XBox, a Moto Droid, a Blackberry, an iPod touch, and a Nintendo DSi with a mix of wired, and wireless B, G, and N connections (yes, I have another wireless router providing wireless B access), and they all work just fine.

Now, since reinstalling the D810, I cannot connect to the internet with a wired connection, whether that wire is plugged into the Netgear 1G router or the older 100BASE-TX switch. The same laptop connects just fine through a DSL circuit at work, and it connects just fine using wireless G, as long as no ethernet cable is plugged in. It does however, see the LAN just fine. I can communicate between D810 and the other machines on the network with no problem.

Yes, I've tried different cables.

Any suggestions would be appreciated.

Thanks,
Bob Chmara

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#2 THE LEGEND x7x

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Posted 30 August 2010 - 09:25 AM

Hmm.. You probably know a lot more about this than I do, lol.. But it seems like possibly the Network Adapter Driver wasn't installed correctly. To check, go to start, right click on My Computer and select Manage. Computer Management should appear. Select Device Manager on the left task bar and check if any of the drivers are missing / not installed. Network adapters is the tab you should pay attention to. I hope this helps! Cheers...

-THE LEGEND x7x

#3 bobchmara

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Posted 30 August 2010 - 10:25 AM

Thanks for the suggestion, but that was one of the first things I checked. In addition, given that I can communicate across my LAN with a wired connection, and that fact that the machine connects to a DSL line at work without an issue suggests that the drivers are not the issue. Same for DHCP. I get an address with no problem. I should also mention that I reinstalled twice. After the first installation, when I couldn't get out to the internet, I decided to reinstall. I didn't baby-sit the first installation, but I sat through the whole second installation to make sure nothing was wrong.

It appears to be some kind of routing problem from the LAN to the WAN.

#4 Retirednow

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Posted 01 September 2010 - 04:33 PM

Can you post all of the ipconfig /all results here?

#5 kennzsniper

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Posted 02 September 2010 - 04:22 AM

Could be a classic case of Windows Firewall blocking your connection.
Hardware tech when I was in college.
1st job was a network support for SOHO
2nd job was lappy tech
3rd Job way out of my league but its nice...

#6 bobchmara

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Posted 02 September 2010 - 07:09 AM

Thanks for the suggestion, but I disabled the firewall.

The ipconfig /all output is:
C:\Documents and Settings\Administrator>ipconfig /all

Windows IP Configuration

Host Name . . . . . . . . . . . . : delld810
Primary Dns Suffix . . . . . . . :
Node Type . . . . . . . . . . . . : Unknown
IP Routing Enabled. . . . . . . . : No
WINS Proxy Enabled. . . . . . . . : No

Ethernet adapter Local Area Connection:

Connection-specific DNS Suffix . :
Description . . . . . . . . . . . : Broadcom NetXtreme 57xx Gigabit Controller
Physical Address. . . . . . . . . : xx-xx-xx-xx-xx-xx
Dhcp Enabled. . . . . . . . . . . : Yes
Autoconfiguration Enabled . . . . : Yes
IP Address. . . . . . . . . . . . : 192.168.0.105
Subnet Mask . . . . . . . . . . . : 255.255.255.0
Default Gateway . . . . . . . . . : 192.168.0.1
DHCP Server . . . . . . . . . . . : 192.168.0.1
DNS Servers . . . . . . . . . . . : 68.87.77.134
68.87.72.134
Lease Obtained. . . . . . . . . . : Thursday, September 02, 2010 8:11:14 AM
Lease Expires . . . . . . . . . . : Friday, September 03, 2010 8:11:14 AM

Ethernet adapter Wireless Network Connection:

Connection-specific DNS Suffix . :
Description . . . . . . . . . . . : Intel® PRO/Wireless 2915ABG Network Connection
Physical Address. . . . . . . . . : xx-xx-xx-xx-xx-xx
Dhcp Enabled. . . . . . . . . . . : Yes
Autoconfiguration Enabled . . . . : Yes
IP Address. . . . . . . . . . . . : 192.168.0.102
Subnet Mask . . . . . . . . . . . : 255.255.255.0
Default Gateway . . . . . . . . . : 192.168.0.1
DHCP Server . . . . . . . . . . . : 192.168.0.1
DNS Servers . . . . . . . . . . . : 68.87.77.134
68.87.72.134
Lease Obtained. . . . . . . . . . : Thursday, September 02, 2010 8:13:29 AM
Lease Expires . . . . . . . . . . : Friday, September 03, 2010 8:13:29 AM

Ethernet adapter Bluetooth Network Connection:

Media State . . . . . . . . . . . : Media disconnected
Description . . . . . . . . . . . : Bluetooth Device (Personal Area Network)
Physical Address. . . . . . . . . : xx-xx-xx-xx-xx-xx

C:\Documents and Settings\Administrator>

Edited by bobchmara, 02 September 2010 - 07:29 AM.





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