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Networking: OS chooses the wrong interface to route RRS feed

  • Question

  • Hi All,

    I'm using 2019 server in AWS. There is an interesting issue with the routing. The OS has two interfaces but it sometimes chooses the wrong one even two of them are connected. Below you can find the output that shows the Test-NetConnection chooses the wrong subnet to route. I checked the ROUTE LIST result but didn't find any unexpected thing between the normal and problemmatic conditions. How can I troubleshoot this problem?

    Best Regards

    PS C:\Windows\system32> Test-NetConnection -port 53 10.141.143.2
    WARNING: TCP connect to (10.141.143.2 : 53) failed
    WARNING: Ping to 10.141.143.2 failed with status: TimedOut


    ComputerName           : 10.141.143.2
    RemoteAddress          : 10.141.143.2
    RemotePort             : 53
    InterfaceAlias         : Ethernet 2
    SourceAddress          : 198.19.114.10
    PingSucceeded          : False
    PingReplyDetails (RTT) : 0 ms
    TcpTestSucceeded       : False

    Friday, May 22, 2020 9:50 AM