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2 PC ON HUB WONT TALK TO 2ND ROUTER

By Casemaker ·
Hi,
My Network is this, first floor wireless access point with 4 port router. Cable modem internet connected to router, 1 pc hard wired to router. 2nd floor 1 pc with 2 nics and wireless nic connecting to the access point on first floor with wireless nic card and connecting to hub on second floor with one of its two nics. 2 other pcs connecting to hub on the second floor and that second hub connected to the first pc on 2nd floor. Customer said that the three computers on the second floor were able to communicate through the hub before I set up the wireless. I was not informed while on site about this setup. the obvious would be to move hub and internet connection from first floor and connect all three to it and access wireless from first floor. It would involve moving cable connection.
Bottom line is what do I need to do to get the 2 pcs on the second floor connected to the hub on the 2nd floor to communicate with the 3rd pc on the second floor with 2 nics and connected to the hub on the 2nd floor using one of its nics and the other nic is connected to the wireless access point on the first floor.
Thanks

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by CptOmlly In reply to 2 PC ON HUB WONT TALK TO ...

Man, you've got a MESS!! What O/S's are the various PC's running? Most importantly, what OS are you running on the dual NIC PC? I am assuming you have bridged the connections in the dual NIC PC using ICS? Have you checked to verify that the two wired PC's on the second floor are getting valid IP's for the router? If you want the PC's to all talk, they must be on the same IP/subnet scheme. Post some more details, or email me through Peer Directory.

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by Casemaker In reply to

Thank You!!! talked him out of bridge.

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by RCOM In reply to 2 PC ON HUB WONT TALK TO ...

Please don't take this wrong but you should have found out how the network was connected before starting your project. Whenever changes are to made it's best to document everything that you can about the network settings. If there's problems you'll usually be able to get things back to the original state until the issues are resolved.

If I understand the description of your setup you have the computer with 2 nics connected to the first floor as if it were the hub.
Since you have the WI-FI router, the second nic really isn't needed. To make it easy and using the cables that's already there, connect the hub using its uplink port from the second floor to the WI-FI router. Then any PC connected to the hub or WI-FI router will be physically connected.

If the WI-FI router is setup to use the default settings it should be a DHCP server. PCs will get an IP address from there, usually in the 192.168.X.100/254 range. For each PC TCP/IP should be setup to obtain an IP address automatically.

My advice would be to use the protocol "NetBeui" for file and print sharing that way the shares are not available outside the local network.

Finally if it's being used ICS isn't needed and can be uninstalled.

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by Casemaker In reply to

Thank You!!! talked him out of bridge.

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by Casemaker In reply to 2 PC ON HUB WONT TALK TO ...

Hi,Thanks for answering and offering insite into this problem. I was blind sided on this one. I went onsite to configure the wireless broadband router on the 1st floor pc and the single 2nd flr pc. Never told of other 2 pc's and the 2nd hub and so on. customer came in and asked what the problem might be because he used to be able to communicate between all 3. I am just trying to gain knowledge before I return to site to tackle this problem. customer is being reasonable and knows i did not create this.
I have considerable experience with P2P networks but very little client server experience. The 2 pc's on the 2nd flr connected to the stand alone hub on the 2nd flr that connects to the 3rd pc using the nic card run W95 and W98.The 3rd pc on the 2nd floor is connected to the Linksys Wireless Broadband router on the 1st floor using a wireless pci card. The 3rd pc on the 2nd flr is running W98. I have not done anything related to bridging the 2 nics. I have never done this. To make it clear, the 3rd pc on the 2nd flr has 2 nics but only one is being used to connect the hub on the 2nd flr, the other nic is not used. the 3rd pc connects to the router on the 1st flr wirelessly. The customer had 2 nics and I probably can remove one if that simplifies this.

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by Casemaker In reply to 2 PC ON HUB WONT TALK TO ...

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