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The DNS Traffic Control works as an add-on feature for the DNS service in the NIOS appliance. In order to use it, install the DNS and DNS Traffic Control licenses on the appliance. You can add the DNS Traffic Control license only when you have installed the DNS license. After you add the license, the feature becomes available to you in Data Management-> DNS -> Traffic Control.
The DNS Traffic Control feature starts, stops, or restarts with the DNS service. You may need to restart the DNS service after you make configuration changes. When you click Restart at the top of the screen, the DNS Traffic Control service takes some time to update the configuration and the status of LBDNs, pools and servers on the appliance. For more information about how to install licenses, see Managing Licenses.
The appliance creates a new role, DTC Admin, when you install the DNS Traffic Control license. For more information about how to define permissions, see About Admin Roles.

  • You can update, add, or delete LBDNs if you have read/write permission on All DTC LBDNs, but you need additional permissions to link them to a zone.
  • You must have read/write permission on All DTC LBDNs to modify an LBDN if a configuration change results in a deletion of LBDN records.
  • You must have read/write permission on both All DTC LBDNs and All DTC LBDN Records to modify LBDN patterns that might result in the creation of new LBDN records.
  • Administrators who have access to set up zones have read/write access to their LBDN records. The LBDN records permission is similar to other zone record permissions.
  • When you link an LBDN to a zone, you must have both read-only permission on All DTC LBDNs and read/write permission on the LBDN record of the zone.
  • You must have read/write permission on All DTC LBDNs to disable an LBDN. This implicitly disables associated LBDN records from the associated zones and does not require an LBDN record permission.
  • You must have read/write permission on All Topology Databases to upload a MaxMind GeoIP location database. To modify a rule in the topology ruleset, you must have read/write permission on All DTC Topologies.
  • To create and modify DTC pools, you must have read/write permission on All DTC Pools.
  • You must have read/write permission on All DTC Servers to create and modify DTC servers.
  • You must have read/write permission on All DTC Monitors, All DTC Certificates, and All DTC Topologies to create and modify DTC monitors, certificates and topologies respectively.

For more information about defining global permissions, see Defining Global Permissions

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