Re: Adding a router to Windows SBS 2000 for web browsing only
- From: Joe <joe@xxxxxxxxxxxxxx>
- Date: Sun, 14 Aug 2005 15:47:40 +0000
Ronaldo wrote:
Hi
The person who set up my network is no longer available for me to speak to. He set up my network with one SBS 2000 server serving ten clients which are a mixture of NT4.0, 2000Pro and XP. There was originally no need for any Internet access so none was set up. The only external communication was through an ISDN router which was used for dialling in to my network for remote support (using Netop).
The ISDN router has now been removed from the network. I would now like to replace that old 3Com ISDN router with a Netgear DG632 ADSL Modem/Router and allow my server and clients to browse the WWW (no Exchange or anything else, just Web Browsing). The phone engineer has taken away the ISDN box and converted the line for Broadband access. I have configured the ADSL Modem/Router with the same local static IP address of the old router (192.55.1.1). I have switched off the DHCP function of the new router in order to keep the DHCP and DNS server functions on the existing SBS server machine. The physical broadband connection is fine and I can access the admin pages of the router through my Internet Explorer, but I cannot get WWWeb pages to come up - Page not found. (Also the local TCP/IP network is working fine). I am unclear as to what else I need to do to make this work. From what I have seen and read so far, this would seem to be a DNS issue. The connection is there, but names are not being resolved to IP addresses. I thought that if the server did not have the info, it would go out through the router to the ISP dns server and get the resolution from there. I have tried setting the ISP dns IP addresses into the router manually and I have tried letting the router automatically get the ISP dns info, but no difference. Is there something else I need to set up on the server or the router that I have missed?
It could well be a DNS issue, but it might not. Can you ping Internet IP addresses by number? e.g. one of Google's IP addresses is 216.239.37.99. Can you get a ping reply from this? If so, can you get a reply from google.com? (It may be a different IP address than this, but does the ping by name command show you an IP address at all?)
From what you have written, it is not certain that you have TCP/IP connection to the Internet at all. The ADSL connection is entirely separate from IP connection, which occurs afterwards.
The DNS server that matters is not the router, but the SBS. It must either show an Internet DNS server (or two) as DNS forwarder(s), or it must show nothing. In the second case, SBS will use the Internet root DNS servers, which it can find by itself.
If ping by name works, but you still can't get web pages, then the workstation DNS is suspect. They should be set to pick up DNS configuration automatically, as with IP address. They should then show the SBS as their DNS server in the output of ipconfig. Finally, it is possible that your Internet Explorer is trying to use a proxy server for web pages ouside the LAN, rather than going directly.
By the way, if you get the opportunity, the IP network address you mention is not in one of the non-routable ranges recommended for private LANs. It should be 192.168.x.0, or one of the other suitable ranges. It's amazing how many 'network engineers' get that wrong. It probably will never matter, but a bit of misconfiguration one day may leave you with the same IP address as another Internet host or network. .
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