Split DNS automatic configuration ?

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giox069

Posts: 4
Joined: Mon Dec 05, 2016 4:43 am

Post by giox069 » Mon Dec 05, 2016 5:05 am
I like a lot Split DNS. I used it a lot with old Cisco IPsec VPN clients, and now with windows 10 pseudo-random dns server selection algorithm (based on interface metric), I really need Split DNS.
I'm playing with viscosity VPN client. Split DNS works, but in a enterprise scenario I need an automated way to set it up automatically to my future VPN users.
I would like to better understand some topics:
  • Which server options are used build the "VPN domain list"? push "dhcp-option SEARCH dom1 dom2 dom3" ? push "dhcp-option DOMAIN dom" ? Both ?
  • Enabling Split DNS: can it be done at the server level via some "push" option ? What does "automatic" really mens on as SplitDNS option on the client ?
Thank you very much.

Eric

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Posts: 1146
Joined: Sun Jan 03, 2010 3:27 am

Post by Eric » Mon Dec 05, 2016 10:35 am
Hi giox069,

Any domain set in the client config or pushed via "dhcp-option DOMAIN <domain>" is used as a split resolver.

More information about DNS Modes can be found here - http://sparklabs.com/support/kb/article ... #dns-modes

These modes can also be pushed via "push dhcp-option DNSMODE split" for example.

Regards,
Eric
Eric Thorpe
Viscosity Developer

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