DNS Server (Optional)

TNSR can optionally act as a DNS server for clients, but this is more complicated for an HA cluster. The best practice is to use an external DNS server, however TNSR can act in this role with additional configuration.

VRRP DNS Configuration

• DNS Server and VRRP Compatibility
  • Pass Cluster Addresses to Clients Directly
  • Loopback Interface DNS Server Address
  • Redirect DNS Requests with NAT
• DNS Server Configuration
  • Primary Node
  • Secondary Node
  • Dataplane DNS Resolver
  • Host DNS Resolver
  • Next Steps
• DNS NAT Redirect (Optional)
  • Configure Loopback
  • Bind DNS to Loopback
  • NAT Redirect Rule
  • Activate Ruleset