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Different DNS servers for split-tunneling L2TP

MatthiasFleschuetz
over 15 years ago
I've set up a L2TP split-tunnel vpn with WinXP to Astaro 6.100.
IP is working very fine, but DNS makes problems.
I get the DNS server by the astaro when connecting the vpn, the dedicated DNS suffix is configured also.
Although everything seems to be configured fine, all applications (browser, email, etc.) seem to take the primary DNS server and not the VPN-DNS-server when requesting a hostname with the DNS-suffix registrered to the L2TP tunnel.

Does anybody know how to configure WinXP properly to work with different DNS server, corresponding to the DNS-suffix?

Thanks a lot,

Matthias


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  • 0 over 15 years ago
    Not elegant, but you could:
    1. set DNS servers statically (turn of DNS via DHCP) 
    2. put the VPN DNS server's IP as the first DNS server in Windows, and the local as second.

    That way, when you're connected to the VPN, it'll use that one, otherwise it'll time out and use the internal.

    The timeouts may be a problem though... you'll have to try it.

    Barry
  • 0 over 15 years ago in reply to BarryG
    [ QUOTE ]
    Not elegant, but you could:
    1. set DNS servers statically (turn of DNS via DHCP) 
    2. put the VPN DNS server's IP as the first DNS server in Windows, and the local as second.

    That way, when you're connected to the VPN, it'll use that one, otherwise it'll time out and use the internal.

    The timeouts may be a problem though... you'll have to try it.


    [/ QUOTE ]

    Hi Barry,

    thanks for the answer, but unfortunately I cant use such a setup for several reasons.
    1. I am not always connected via VPN so the vpn-dns-server is not always reachable.
    2. The VPN-DNS-server is just an internal server, so it does not know the internet records...

    What I want is a connection based setup, so everything with domain.local should work over l2tp (including dns resolving for this domain), everything else should go through the normal ethernet line.

    Thanks,

    Matthias
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