Diameter User Guide Configuring Diameter Diameter Peer Discovery DNS Sets Adding DNS Sets 2.31.2.2 Adding DNS Sets Use this task to create a new DNS Set. The fields are described in Peer Discovery DNS Sets Elements. Click Diameter, and then Configuration, and then Peer Discovery, and then DNS Sets. Click Insert. Enter a unique name in the DNS Set Name field. Select or enter the element values. Click: OK to save the new DNS Set name and return to the DNS Sets page. Note:This assumes all validation checks pass. Apply to save the new DNS Set name and remain on this page. Note:This assumes all validation checks pass. Cancel to return to the DNS Sets page without saving any changes. If OK or Apply is clicked and any of the following conditions exist, then an error message appears: Any validation checks fail. Any required field is empty (no value was entered). The value in any field is not valid or is out of range. The DNS Set Name is not unique; it already exists in the system. The maximum number of DNS Sets already exists in the system. The secondary IP address duplicates the primary IP address. The pair of IP addresses (primary/secondary) duplicates the pair already defined for another DNS Set. Note:Exchanging the primary and secondary IP addresses does not constitute a unique DNS set.