Configuration of multiple DNS servers in origin-upstream-dns.conf

Solution Unverified - Updated -

Issue

  • How to configure primary and secondary upstream dns servers in /etc/dnsmasq.d/origin-upstream-dns.conf.
  • You should configure multiple upstream DNS servers for eliminating A single point of failure (SPOF).

Environment

  • OpenShift Container Platform
    • 3.x
  • Red Hat Enterprise Linux (RHEL) 7

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