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NT ROUTING

By azizhakim ·
-Good morning TCP/IP& Routing gurus.The question prior to mine by NIGHTWALKER is a very similar situation i am in but my project
is a home situation which i am emulating,Here
it goes.I have not taken any pcp/ip classes yet,but i have created a twodomain enviroment.domain-1 pdc1-192.168.40.40 &Subnet 255.255.255.0.Domain-2 pdc2-192.168.40.41.Trust has been established.Now the other nic address-192.168.30.30 With one workstation-192.168.30.31.pdc-1 &pdc2 reside
on the same hub & the other card on another with the w/s.i do not know how to make the link between the two network cards so they can be in sync & forward ip addresses to each other & Route it to other network.I do not understand lmhosts at all & i do need some study literature onthat-any good reading sites would be appreciated.Sorry to be making this seem bigger than it actually is -1st time is overwhelming.My thoughts tells me the problem is with configuring the
2 cards.ANY THOUGHT AS TO THE DIRECTION OR CONFIGURATION WOULD BE VALUABLE& I CAN GET SOME REST--THANX--AZIZ

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by bbrown In reply to NT ROUTING

The machine with 2 nics will need to have IP forwarding enabled to route between networks. Each workstation and pdc will need to have the default route set to the IP address of the server that is on it's same subnet. Ex 192.168.40.x points to the 192.168.40.x nic and the x.41.x points to the x.41.x nic. Remember: The default gateway assignment of a client must be an IP on the same subnet. Once each client has the default gateway set and the gateway has routing/forwarding enabled, you should be able to ping across subnets. Lmhosts is used if you do not have a WINS running. Once the pinging is working, I suggest installing WINS on 1 server and have the rest point to it in thier TCP configuration.


Bobby Brown

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by azizhakim In reply to NT ROUTING

Thanx for the input.I was unable to resolve the problem,initially i installed RIP with no success when i reinstalled things worked.In essence RIP is what i needed to finalize connectivity-THANX FOR VALUABLE INPUT
-----AZIZ-----

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NT ROUTING

by savatovic In reply to NT ROUTING

Good morning Hakim,
There are several problems in your question
1. To make computers communicate via IP addresses (ie from WS (192.168.30.31) to Ping 192.168.40.40 and 192.168.40.41)
2. To make computers communicate using names. these names are called host names and if they are using NetBIOS application (such as net use x: \\COMPUTER1\SHARE1) they are also called NetBIOS names.
3. How to enable login from WS to domain. This is related to 2 above.

For 1. to work, your hosts must have:
IPaddress
Subnet mask
default gateway

Hosts on subnet1 will be
IP addr: 192.168.40.x
Subnet mask: 255.255.255.0
Default gateway:
- on your PC with two cards leave blank
- on other PC point to your IP address of your multihomed PC (192.168.40.40?).

Hosts on subnet 2 will be:
IP addr: 192.168.30.x
Subnet mask:255.255.255.0
Default gateway:
-on your multihomed PC leave blank
-on other PC's point to IP address of your multihomed PC (192.168.30.30?)

On your multihomed PC, go to Control panel, Networking, Protocols, TCP/IP properties, Routing. Enable IP Forwarding.

Check that you can Ping from one subnet, IP address which is on the other subnet. Use IP numbers (do not use names at this stage).

If above is working, it's time to see if computers can talk using names instead of IP addresses. Try to ping from host on one subnet, another host which is on another subnet. Use names instead of IP numbers. If it works, your problem is solved.

If the above does not work, you need to introduce some kind of name-to-address mapping. The best practice is to use WINS and DNS. If you don't know how to configure these, look in help files and Windows NT resource kits. You can find some of those on www.microsoft.com/msdn and www.microsoft.com/technet.
Somewhat less preferred method is to use hosts and lmhosts file which live in:
winnt\system32\drivers\etc directory. In this directory you will find lmho

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NT ROUTING

by azizhakim In reply to NT ROUTING

--THANX -for valuable input.I needed
RIP to finalize connectivity--AZIZ--

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by azizhakim In reply to NT ROUTING

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