two computers on same network cannot ping eachother nor view NetBios resources

Posted by slava on Server Fault See other posts from Server Fault or by slava
Published on 2012-11-26T00:08:49Z Indexed on 2012/11/26 5:06 UTC
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I'd like to find out the problem of my network configuration

I have network configuration is like in this diagram:

network diagram

The problem is between laptop1 and laptop2. At first I thought it was samba server problem. I was configuring samba server on one of the laptops and I wasn't able to access the shares from the second laptop no matter what I was doing. After installing/removing/configuring samba-server a couple of times I realized that the problem resides somewhere else.

Laptop configurations:

- Laptop1: ubuntu 12.04 
- Laptop2: Windows 7/ ubuntu 12.04 ( dual boot )
- Server : ubuntu 12.04

When I do "ping 192.168.0.10" from laptop2, I get "Destination host unreachable". The same situation is when I ping in other direction. When I access Laptop1 shares from Laptop2, having windows 7 loaded, I get the error message: "Error code: 0x80070035 The network path was not found."

When I ping "server" or "router" or "wifi router" from any of laptops I get a reply. The same with windows shares, I am able to access "server"s shares from Windows and Ubuntu, from any of my laptops.

Netbios can't function correctly, that's obvious, I am unable to access windows shares between laptops. I assume that on "wifi router" is a miss-configuration, but I can't find what specifically. The "Wifi router" works as Hub + wifi, it is connected to "router" not in WAN port but in LAN1.

Please, help me correctly configure the router to make them see each-other, or at least make NetBios work correctly, between laptops, to be able to access windows shares.

Thanks!

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