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Use the Nameserver window to add up to eight name servers within the configuration of the DNS Service Registry. The Service Registry is part of a Service Discovery framework the SBC uses to determine the address for certain services. Refer to Service Discovery for Trap Target Destinations and EMS Registration for more information. 

To View Nameserver Entries

On the SBC main screen, go to All > System> Service Discovery > Service Registry > Nameserver

The Nameserver window opens. If it is not already selected, select dns from the Service Registry list to show a list of existing name server entries. 

Nameserver Window

To Create a Name Server Entry

To create a name server entry:

  1. Click New Nameserver. The Create New Nameserver window opens. 

    Create New Nameserver Window

  2. Use the following table to configure the options and then click Save.

Name Server Parameters

ParameterDescription
IndexSpecifies the index value for the name server. Each name server instance must have a unique index number. The range allowed is 0 to 7.
PortSpecifies the port number to use on the name server. The range is 1 to 65535 and the default is 53.
PrioritySpecifies a priority for the name server. The range is 0 to 100 and the default is 0.
Weight

Specifies a weight for the name server. The range is 0 to 100 and the default is 0.

Name servers with the same priority are prioritized based on the following formula: W/SW, where W = the weight of the name server and SW = the sum of the weights of the name servers having the same priority.

HostnameSpecifies an FQDN of up to 128 characters for the name server. If you specify a host name (FQDN), the IP address is resolved using the system name server assigned to the SBC management interface.
IP Address V4 or V6Specifies an IPv4 or IPv6 address for the name server.

To Edit a Name Server Entry

  1. Select the name server by clicking the radio button adjacent to its entry. The Edit Selected Nameserver window opens.

  2. Make the required changes and click Save.

To Copy a Name Server Entry

  1. Select the name server by clicking the radio button adjacent to its entry.

  2. Click Copy Nameserver. The Copy Selected Nameserver window opens.

  3. Make changes and click Save.

To Delete a Name Server Entry

  1. Select the name server by clicking the radio button adjacent to its entry.

  2. Click the Delete icon (X) at the end of the row.

  3. Confirm the deletion when prompted.