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Access network design for branch, remote, outdoor, and campus locations with HPE Aruba Networking access points and mobility controllers.
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Windows 10 DNS fails with VIA client.

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  • 1.  Windows 10 DNS fails with VIA client.

    Posted May 22, 2020 09:27 AM

    Trying to use VIA client with split-tunnelling on windows-10.

    Tunnelling itself works, can route correctly to Corp/Internet sites using IP address.

    However DNS is always going to ISP addresses, not to DNS servers configured in VIA.

    I think this is because the Via adaptor always creates a route-metric of 501, which makes it a higher cost than physical(ISP) connections. 

    It can be temp-fixed by changing the interface-metric to 1, but this only lasts for that session, it will always reconnect with metric=501.

     

    I need the client to force use of corporate DNS servers while it is connected. Can anyone advise?

     



  • 2.  RE: Windows 10 DNS fails with VIA client.

    Posted May 22, 2020 10:27 AM
    Did you define the DNS servers for the pool under Services > General > Primary DNS ?



    Thank you

    Victor Fabian

    Pardon typos sent from Mobile


  • 3.  RE: Windows 10 DNS fails with VIA client.

    Posted May 22, 2020 11:13 AM

    Hi Fabian,

    we use a Mobility Master, so settings are defined under configuration/authentication/L3 Authentication. 

    Adapter details appear to be correct:

    Description . . . . . . . . . . . : Aruba Virtual Adapter
    Physical Address. . . . . . . . . : 00-FF-85-38-E1-60
    DHCP Enabled. . . . . . . . . . . : Yes
    Autoconfiguration Enabled . . . . : Yes
    Link-local IPv6 Address . . . . . : fe80::1c8f:da91:b685:230a%12(Preferred)
    IPv4 Address. . . . . . . . . . . : 1.8.3.32(Preferred)
    Subnet Mask . . . . . . . . . . . : 255.255.255.255
    Lease Obtained. . . . . . . . . . : 22 May 2020 16:07:18
    Lease Expires . . . . . . . . . . : 22 May 2020 17:07:17
    Default Gateway . . . . . . . . . :
    DHCP Server . . . . . . . . . . . : 1.8.3.32
    DHCPv6 IAID . . . . . . . . . . . : 201392005
    DHCPv6 Client DUID. . . . . . . . : 00-01-00-01-23-3D-28-6B-00-15-5D-22-64-00
    DNS Servers . . . . . . . . . . . : 172.24.64.100
    NetBIOS over Tcpip. . . . . . . . : Enabled

     

    DNS server is our internal server, and it works perfectly if I change the metric for the interface (only admin can change the metric).

     

    If I do not change the metric, NSLookup goes to ISP DNS;

    nslookup
    Default Server: resolver1-fs.opendns.com
    Address: 208.67.222.123