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Trouble connecting PC to network

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Name: msidloi
Date: January 19, 2007 at 04:52:39 Pacific
OS: WinXP Home
CPU/Ram: Sempron64 3000+
Comment:

Hi. I have an interesting problem, and so far I have not been able to find anyone who could help me. I'm hoping that someone here can. Prior to this week, my set up at home has been two PCs, one running Win98, the other running WinXP linked by cross-over, each with a modem. I also often have one or more laptops from work in the house. In preparation for a move to high-speed internet, I went out and bought a router and one USB adapter, both from D-Link (2310 & 2340 resp.). Using a laptop, I can connect to the router either using its built-in WLAN or using the D-Link USB adapter. Unfortunately, I haven't been quite so lucky using the WinXP machine.

I have tried linking up with the USB wireless adapter and with an ethernet cable (not the crossover cable, don't worry). In both cases, the connection is made, and I receive an IP address from the router, but I cannot ping the router's IP. In fact, until I disabled my firewall software, I could not even ping the IP that I was given, though I have since corrected that problem. For instance, when I connect either by ethernet cable or the adapter I get a config like this :

IP 192.168.0.100
Sbnt msk 255.255.255.0
Gateway 192.168.0.1

ping 192.168.0.100 works
ping 192.168.0.1 does not

My current theories (I'm not at home so I can't test these right now) are:

1. The LAN adapter has too many protocols / services installed and one may be conflicting with TCP/IP.

2. The fact that the WinXP machine was previously hooked up to a Win98 machine via crossover, and the connection was set up as such caused windows to inhibit the use of TCP/IP and ICMP over the LAN and/or to not consider the LAN when attempting to make an internet connection.

I've also tried connecting to internet using the neighbor's router. The neighbor was kind enough to have an unsecured wireless router at home. Both the laptop and the WinXP machine + USB adapter can connect to the neighbor's router, and recieve an IP address. They see a gateway, and a DNS server. Still, my PC cannot actually access anything over that network, whereas my laptop can surf at 8Mbps.

msidloi



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Response Number 1
Name: jefro
Date: January 19, 2007 at 14:24:46 Pacific
Reply:

PING is not a very good tool. Stop using it.

If you have a router that is providing DHCP address then you know that the NIC to router works.

Now lets start over.

ADSL or cable normally requires some sort of box be it a modem or cable adapter. Most times you need some sort of logon information. The way the ISP wants you to connect may not be the best way. They want some software on your computer to make the connection. Ultimately you would want your router to do a smart connect using your logon info. You might have to set your adsl modem to act as a passthrough.

As for a simple lan. Normally from factory only one computer can connect to the router's WEB based interface. Read the directions for a factory setup. Start with one computer using dhcp and see if you can access the router. Config as you wish then for every setting. Then connect another computer. They should all be on the same subnet.

Then you need to find out how to access the ISP. It may be that you need to again use one computer to access the web based setup of the modem using ONE computer connected to it. See if any help exists on the help pages of your isp.


A good way to protect your lan is to use the built in firewall settings of the router. Let it offer dhcp leases on private IP ranges. Reset your routers and modems admin login and write it on the modem with a good ink or paint pen. Use settings to block any unused ports or applications. Try to stay away from UPNP unless you have to use it.

I read it wrong and answer it wrong too. So get off my case you goober.


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