Re: How to stop XP from accessing internet through two network car

From: Steve Winograd [MVP] (winograd_at_pobox.com)
Date: 02/10/05 

Date: Thu, 10 Feb 2005 11:38:05 -0700

In article <11D8570B-9D36-4E86-9151-EFC5D749633D@microsoft.com>,
"Hicklebird" <Hicklebird@discussions.microsoft.com> wrote:
>> >We have a XP computer with two network cards. We are on a Domain NT 4.0
>> >server. One card is configured for obtaining internet through a DSL modem.
>> >The other network card is configured for internal use for connection to
>> >network drives and the Exchange server (DHCP server). We recently got rid of
>> >the darn Proxy server and have a hardware firewall for clients on the LAN to
>> >have internet. So now the internal card on this XP computer sees the
>> >internet that everyone on the LAN uses. But this particular computer needs
>> >to only use the DSL becasue this person needs the bandwidth the DSL modem
>> >provides. There IS NOT a gateway address on the internal card. Our
>> >temporary fix is to disable the internal network card so the software on that
>> >XP computer uses to connect to another server will use the proper internet
>> >connection. Is there a way to tell IE which network card to use for
>> >internet? This is getting old fast.
>> >
>> >Thanks,
>> >
>> >Richard
>>
>> From your description, everything is set up right, and the computer in
>> question should only be using the DSL connection for Internet access.
>> How do you know that it's using the wrong Internet connection? What
>> exactly do you see?
>>
>> Double check that:
>>
>> 1. The proxy server settings have been removed from Internet Explorer.
>> 2. There's no default gateway specification on the LAN NIC.
>> 3. The LAN and DSL connections have IP addresses in different subnets.
>>
>> If that doesn't solve the problem, please reply to this message in the
>> news group (not by E-mail) with more information to help other people
>> understand the problem. Include a copy of the output from "ipconfig
>> /all" and "route print" on that computer.
>>
>> To protect the corporate network, make sure that there's a firewall on
>> the DSL connection!
>
>What I'm seeing is: She uses MSN messenger and AOL instant messenger. When
>I disable the internal network connection all that disconnects then
>reconnects (obviously through the network card to the DSL). Also prior to
>disabling the lan card the software she uses to connect to another server
>just sits there searching for the server through the internet then times out.
> After the lan card is disabled the software finds the server through the
>internet after about 30 seconds and the logon to the server appears.
>
>Thanks Steve,
>
>Richard

You're welcome, Richard. Did you double check the items that I
mentioned?

Posting a news group reply with the "ipconfig /all" and "route print"
output (made when both network connections are active) will help in
finding the problem. 

-- 
Best Wishes,
Steve Winograd, MS-MVP (Windows Networking)
Please post any reply as a follow-up message in the news group
for everyone to see.  I'm sorry, but I don't answer questions
addressed directly to me in E-mail or news groups.
Microsoft Most Valuable Professional Program
http://mvp.support.microsoft.com

Relevant Pages

  • Re: Outgoing POP3 email missing/lost/not received
    ... ISP's mail server instead of the domain name on the ... SUMMARY OF SETTINGS FOR CONFIGURE E-MAIL AND INTERNET ... Internet Connection Wizard. ... After the wizard completes, the following network connection ...
    (microsoft.public.windows.server.sbs)
  • Re: Connect the SBS to a remote IIS for Internet Printing
    ... the server can access the Internet with no problems at all. ... Checking network connection, and after a few seconds it says The ... the problem is cause by the configuration of ISA. ...
    (microsoft.public.windows.server.sbs)
  • Re: ISA 2006 Basic Configuration
    ... Why would we point Preferred DNS to itself? ... Configuring the Internal Network Interface ... In the Internet Protocol Properties dialog box, ... Select the Use the following DNS server addresses option. ...
    (microsoft.public.isa.configuration)
  • RE: Server Re-Setup Help
    ... This newsgroup only focuses on SBS technical issues. ... If you setup network like above, ... server is transferred in internet since they have different public IP. ...
    (microsoft.public.windows.server.sbs)
  • Re: One computer on 2 networks
    ... On the server take the new "internet Nic" and set it up properly for the ... Create a static route in the OS's routing table that uses the LAN Router ... don't work in the Network Admin Dept. I'm a developer. ...
    (microsoft.public.windows.server.networking)
Loading