Odd networking issue

I'm having a very odd issue in my classroom which even has the instructor stumped.

I'm using a CISCO 1841 router, CISCO Catalyst 2950 switch, one computer running Windows 10, and another computer running Windows Server 2008 R2.

Not much has been done with the switch, it's pretty much running factory defaults and all interfaces are up and up. The only changes I have done to the router is noshut on both interfaces, assigned the IP address for 0/0\24, fa0/1 was assigned\29 and IP route was set to

The WIN10 assigned\29 and the Server 2008\29. The issue I am experiencing is that only one of the systems on the switch will have internet access (for some time it has been my PC that has internet access now it is only the server. if I remove the 1841 from the equation there is no issue. Additionally the router can ping my PC and server and vice versa and the router can ping websites. I'm really stuck here so any suggestions would help me out a great deal.

Thanks in advance.

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Clarification Request
Right there. WIN10 assigned?

Sorry but most of the time the DHCP server does this assignment. You as the network designer would think this out.

That is, I don't see the full design but given the Cisco gear, where is your CCNA?

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Re: Right there. WIN10 assigned?

I'm a student (haven't even sat for the CCENT yet). The router does not have DHCP enabled at 1.1 and the 1841 doesn't have DHCP setup as we haven't gotten to that section yet.

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Very strange.

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