Three computers, how to configure network without router/switch? The Next CEO of Stack...

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Three computers, how to configure network without router/switch?



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I have 3 machines and want to configure network connections so that all 3 machines can reach each other without any switch or router in between. Machine A has 2 nics and the other 2 machines(machine B and machine C) connect via direct network cable to each of the nics of machine A. Machine B and Machine C are not connected via network cable. I Can obviously connect fine between machine A and machine B and between machine A and machine C. I want to also be able to connect and exchange traffic between machine B and machine C.




  • I do not care about internet access, I only want the 3 machines to be able to connect to each other (ping, remote access, drive/folder mapping...)

  • A switch/router is out of the question as the connects are 100 gigabit ports and I do not want to add a pricey 100Gb switch to this setup

  • I cannot connect machine B and machine C via network cable because machine B connects to machine A via active optical fiber and I do not want to add a pricey 2nd AOC cable.

  • I run Windows 10 for Workstations and Windows Server on the machines

  • Bridging connections on machine A is out of the question because it under-performs and would make a 100Gb connection useless.

  • I read that I can have machine A <-> machine B and machine A <-> machine C run on different networks and route traffic on machine A.


My question is: How can I configure the routes on machine A which runs windows. Pleases assume that I have plenty of resources (memory and CPU) and that I can accept network performance degradation due to the fact that traffic would be routed with CPU involvement rather than an optimized switch ASIC involvement. What I am interested is the software routing configuration so that machine B can communicate with machine C.










share|improve this question



























    0















    I have 3 machines and want to configure network connections so that all 3 machines can reach each other without any switch or router in between. Machine A has 2 nics and the other 2 machines(machine B and machine C) connect via direct network cable to each of the nics of machine A. Machine B and Machine C are not connected via network cable. I Can obviously connect fine between machine A and machine B and between machine A and machine C. I want to also be able to connect and exchange traffic between machine B and machine C.




    • I do not care about internet access, I only want the 3 machines to be able to connect to each other (ping, remote access, drive/folder mapping...)

    • A switch/router is out of the question as the connects are 100 gigabit ports and I do not want to add a pricey 100Gb switch to this setup

    • I cannot connect machine B and machine C via network cable because machine B connects to machine A via active optical fiber and I do not want to add a pricey 2nd AOC cable.

    • I run Windows 10 for Workstations and Windows Server on the machines

    • Bridging connections on machine A is out of the question because it under-performs and would make a 100Gb connection useless.

    • I read that I can have machine A <-> machine B and machine A <-> machine C run on different networks and route traffic on machine A.


    My question is: How can I configure the routes on machine A which runs windows. Pleases assume that I have plenty of resources (memory and CPU) and that I can accept network performance degradation due to the fact that traffic would be routed with CPU involvement rather than an optimized switch ASIC involvement. What I am interested is the software routing configuration so that machine B can communicate with machine C.










    share|improve this question

























      0












      0








      0








      I have 3 machines and want to configure network connections so that all 3 machines can reach each other without any switch or router in between. Machine A has 2 nics and the other 2 machines(machine B and machine C) connect via direct network cable to each of the nics of machine A. Machine B and Machine C are not connected via network cable. I Can obviously connect fine between machine A and machine B and between machine A and machine C. I want to also be able to connect and exchange traffic between machine B and machine C.




      • I do not care about internet access, I only want the 3 machines to be able to connect to each other (ping, remote access, drive/folder mapping...)

      • A switch/router is out of the question as the connects are 100 gigabit ports and I do not want to add a pricey 100Gb switch to this setup

      • I cannot connect machine B and machine C via network cable because machine B connects to machine A via active optical fiber and I do not want to add a pricey 2nd AOC cable.

      • I run Windows 10 for Workstations and Windows Server on the machines

      • Bridging connections on machine A is out of the question because it under-performs and would make a 100Gb connection useless.

      • I read that I can have machine A <-> machine B and machine A <-> machine C run on different networks and route traffic on machine A.


      My question is: How can I configure the routes on machine A which runs windows. Pleases assume that I have plenty of resources (memory and CPU) and that I can accept network performance degradation due to the fact that traffic would be routed with CPU involvement rather than an optimized switch ASIC involvement. What I am interested is the software routing configuration so that machine B can communicate with machine C.










      share|improve this question














      I have 3 machines and want to configure network connections so that all 3 machines can reach each other without any switch or router in between. Machine A has 2 nics and the other 2 machines(machine B and machine C) connect via direct network cable to each of the nics of machine A. Machine B and Machine C are not connected via network cable. I Can obviously connect fine between machine A and machine B and between machine A and machine C. I want to also be able to connect and exchange traffic between machine B and machine C.




      • I do not care about internet access, I only want the 3 machines to be able to connect to each other (ping, remote access, drive/folder mapping...)

      • A switch/router is out of the question as the connects are 100 gigabit ports and I do not want to add a pricey 100Gb switch to this setup

      • I cannot connect machine B and machine C via network cable because machine B connects to machine A via active optical fiber and I do not want to add a pricey 2nd AOC cable.

      • I run Windows 10 for Workstations and Windows Server on the machines

      • Bridging connections on machine A is out of the question because it under-performs and would make a 100Gb connection useless.

      • I read that I can have machine A <-> machine B and machine A <-> machine C run on different networks and route traffic on machine A.


      My question is: How can I configure the routes on machine A which runs windows. Pleases assume that I have plenty of resources (memory and CPU) and that I can accept network performance degradation due to the fact that traffic would be routed with CPU involvement rather than an optimized switch ASIC involvement. What I am interested is the software routing configuration so that machine B can communicate with machine C.







      networking windows-10 routing network-adapter windows-server






      share|improve this question













      share|improve this question











      share|improve this question




      share|improve this question










      asked 2 hours ago









      MattMatt

      2332716




      2332716






















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          Per the suggestion here (for Windows 7, but since the registry entry has existed since Windows XP, could be it still works): https://social.technet.microsoft.com/Forums/lync/en-US/8f5ef2ca-c6e8-42e6-a70d-6d09bfdafa48/configuring-windows-7-as-a-router-in-lan , I suggest:




          • You make the registry change on computer A,

          • Configure B so that its default gateway is the IP address of A on the network B shares with A,

          • Configure C so that its default gateway is the IP address of A on the network C shares with A


          Note that in this configuration, if you change your mind about Internet access, you would want to configure A to have Internet access to ensure that B and C also are able to reach the Internet.






          share|improve this answer
























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            1 Answer
            1






            active

            oldest

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            active

            oldest

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            active

            oldest

            votes









            0














            Per the suggestion here (for Windows 7, but since the registry entry has existed since Windows XP, could be it still works): https://social.technet.microsoft.com/Forums/lync/en-US/8f5ef2ca-c6e8-42e6-a70d-6d09bfdafa48/configuring-windows-7-as-a-router-in-lan , I suggest:




            • You make the registry change on computer A,

            • Configure B so that its default gateway is the IP address of A on the network B shares with A,

            • Configure C so that its default gateway is the IP address of A on the network C shares with A


            Note that in this configuration, if you change your mind about Internet access, you would want to configure A to have Internet access to ensure that B and C also are able to reach the Internet.






            share|improve this answer




























              0














              Per the suggestion here (for Windows 7, but since the registry entry has existed since Windows XP, could be it still works): https://social.technet.microsoft.com/Forums/lync/en-US/8f5ef2ca-c6e8-42e6-a70d-6d09bfdafa48/configuring-windows-7-as-a-router-in-lan , I suggest:




              • You make the registry change on computer A,

              • Configure B so that its default gateway is the IP address of A on the network B shares with A,

              • Configure C so that its default gateway is the IP address of A on the network C shares with A


              Note that in this configuration, if you change your mind about Internet access, you would want to configure A to have Internet access to ensure that B and C also are able to reach the Internet.






              share|improve this answer


























                0












                0








                0







                Per the suggestion here (for Windows 7, but since the registry entry has existed since Windows XP, could be it still works): https://social.technet.microsoft.com/Forums/lync/en-US/8f5ef2ca-c6e8-42e6-a70d-6d09bfdafa48/configuring-windows-7-as-a-router-in-lan , I suggest:




                • You make the registry change on computer A,

                • Configure B so that its default gateway is the IP address of A on the network B shares with A,

                • Configure C so that its default gateway is the IP address of A on the network C shares with A


                Note that in this configuration, if you change your mind about Internet access, you would want to configure A to have Internet access to ensure that B and C also are able to reach the Internet.






                share|improve this answer













                Per the suggestion here (for Windows 7, but since the registry entry has existed since Windows XP, could be it still works): https://social.technet.microsoft.com/Forums/lync/en-US/8f5ef2ca-c6e8-42e6-a70d-6d09bfdafa48/configuring-windows-7-as-a-router-in-lan , I suggest:




                • You make the registry change on computer A,

                • Configure B so that its default gateway is the IP address of A on the network B shares with A,

                • Configure C so that its default gateway is the IP address of A on the network C shares with A


                Note that in this configuration, if you change your mind about Internet access, you would want to configure A to have Internet access to ensure that B and C also are able to reach the Internet.







                share|improve this answer












                share|improve this answer



                share|improve this answer










                answered 1 hour ago









                SlartibartfastSlartibartfast

                6,42121724




                6,42121724






























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