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Internet Connection Problem

By rdavis44 ·
I have a dedicated IP WAN Address from the ISP.
I have been provided the ISP's DNS Server addresses.
I have a Cable Router/4 Port Switch with a WAN address and an Internal LAN address.
The Router is set up as a DNS Server and seems to be working properly. It provides the Clients with an IP address, default Gateway and DNS Server addresses.
I have a Windows 98 Laptop, 2 Windows 2000 Servers and a Windows 2000 Professional connected to the 4 Port Switch.
The Laptop is the only one that I canget to the Internet with. I am using IE5.5 on all of them. The others time out and return an error "Page can not be displayed" (or similar nonsense). All items work on the Internal Network -- I can Ping all of them, from anyone of them. I can see them in My Network Places (Network Neighborhood).
I can not Ping the Router WAN address, Gateway, or the DNS Servers from any of the Windows 2000 products -- unless I create Static Routes to the WAN Network and the DNS Netork. Even, after doing that, I can only Ping the WAN address, Gateway and DNS Servers. I cannot Ping any other address on the Internet (by name or IP address). If I Ping a Name such as Microsoft.com or Novell.com, the DNS server returns an IP address and then the Ping returns "Request timed out". If I then Ping the IP address that was just returned by DNS, I also get the same error.
Can anyone tell me what might be going on and offer a solution?
Thanks
Ron

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Internet Connection Problem

by kmerrillt In reply to Internet Connection Probl ...

Have you checked the TCP/IP setup on all machines and are you using DHCP? It sounds like a problem with the router. What model router are you using and does it have internal software, or are you trying to use a third party software? It would seemas though there is a conflict with the router settings.

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Internet Connection Problem

by rdavis44 In reply to Internet Connection Probl ...

I am sorry that in my question, I stated that the Router was set up as a DNS Server and I meant to say it was set up as a DHCP server. I described a DHCP Server. Yes TCPIP is set up properly. I have an ADDTRON E200 Router with the latest Firmware upgrade. As mentioned, the Router works with the Laptop -- in fact, I am using it now with a TCPIP connection to thru the ISP to AOL.
Ron

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Internet Connection Problem

by kmerrillt In reply to Internet Connection Probl ...

The fact that you cannot ping the router is would suggest that there is a conflict between the router address and/or the NICs. If you set the router address to be 192.168.0.1 and then release all NIC addresses and renew all, can you then ping the router successfully. Also, you cannot ping Microsoft as they have added security to disable this. I don't know about Novell. However, if you cannot ping the router you will not be able to ping any other site.
Your ISP may only allow one system to use the IP address assigned to you, therefore you would hsve to set the non-functioning PCs to obtain an address automatically.
Another thought here is have you tried to switch the port on the router where the laptop is plugged in with another? Is it possible that the firewall is not allowing the other ports to function? Is the cabling from the router to the non-functioning PCs the same as the cable that is used on the laptop? Are you using dial-up on the PCs or is it cable service? Maybe the modems on PCs are not set properly.
I would first try switching the LAPTOP port at the router with another port and see if the LAPTOP still has internet access, and also if the PC you swapped with gains access. This would tell you if it is a router problem or machine problem.

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Internet Connection Problem

by rdavis44 In reply to Internet Connection Probl ...

Thank you again trying. Please reread my question. The Router is set up as a DHCP Server, so it assigns the PC and Server addresses automatically. Also, note that I am using a Cable Modem and a LAN, not a dialup Modem. The Router has a WAN connection and 4 switch ports on the LAN side. As I stated in my question, the LAN side is working great (i.e., the 192.168.1.XXX). I can ping the LAN side of the Router which is the Default gate for the LAN. It is the WAN side of the Router that I can not Ping successfully. The cabling is the same on all items. The Laptop works in any port.
Ron

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Internet Connection Problem

by chaubne1 In reply to Internet Connection Probl ...

I know this is going to sound kind of silly, but I ran into the same type of problem with a LinkSys router/switch, after I played with it. I discovered that in my "Tinkering" I was dis-allowing certain IP addresses (Filtering) from Internet Access (Unfortunately, they were the same addresses I was using for DHCP). Once I removed the filters, all my PC's worked fine.

Hope this helps.

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Internet Connection Problem

by rdavis44 In reply to Internet Connection Probl ...

Thank you for trying. I have already checked that and I have no filters implemented.
Ron

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Internet Connection Problem

by curlergirl In reply to Internet Connection Probl ...

I would definitely check the filtering on the router. Many of these routers come preconfigured with certain filters, because they are not really meant to be used in LANS but as routers for a single system to connect to the Internet. Also, what areyou using as the gateway address - the router's LAN address or the WAN address? It should be the router's LAN address. . .Also, are you using your ISP's DNS servers, or an internal one? If it's an internal one, make sure it is configured properly with a zone for your internal domain (i.e., 192.168.1.x) and that you have forwarders set up for your ISP's DNS servers. If you respond with additional info, I'll try to keep monitoring this question. If you prefer, you can feel free to contact me directly - synergy@synoffsys.com - and I'll try to help.

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Internet Connection Problem

by curlergirl In reply to Internet Connection Probl ...

I see that you already answered my question about the gateway in a comment on someone else's answer. That would seem to indicate a filtering or a DNS problem. Please respond with how your DNS is set up and if any filters are enabled on the router (i.e., filtering ICMP packets, etc.)

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Internet Connection Problem

by rdavis44 In reply to Internet Connection Probl ...

I have the Router set up with the ISP's DNS Server. I have no Filters implemented (neither IP addresses or Protocols).

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Internet Connection Problem

by rdavis44 In reply to Internet Connection Probl ...

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