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Jonesaus · ‎Aug 11 2021

Thanks for the info re umbrella. in this case the client is a retailer who only have a single DC. in theory a lot of the store IT functions can continue if the DC is offline, but with the DNS servers sitting in the DC, even SaaS based apps now rely on the DC being available to function. Another option would be to use store server as local DNS server - but i think the long term plan is to remove store servers.

Jonesaus · ‎Aug 10 2021

Does anyone know if there is a feature in any Beta or in the roadmap for DNS conditional forwarding? For example proxy any DNS requests for internal domains to internal DNS servers, and proxy all other requests to external DNS servers? This would help if the internal DNS servers were unavailable due to a VPN outage at the DC or something, local branch services that don't rely on internal services can continue to operate using the local internet and external DNS servers. something similar to these vendor's implementations: DNS conditional forwarding (fortinet.com) Cisco SD-WAN (Viptela) Configuration Guide, Release 17.2 Configure DNS Settings (vmware.com)

Jonesaus · ‎Apr 16 2019

Hi, quick question on how to design and deploy this, when you have a VPN concentrator in a DC, and each branch and the data centres have an MPLS and an Internet link each, do you still configure the VPN concentrator with 1 uplink interface, then it will form 2 tunnels to each branch over this 1 interface, or do you configure 2 interfaces (ie one for internet tunnel and one for MPLS tunnel) seems to me only 1 is required, but just want some confirmation.

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Re: Split DNS / DNS conditional forwarding

Split DNS / DNS conditional forwarding

Data centre SD-WAN VPN concentrator design with MPLS and Internet