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Use the Resolve window to edit the Resolve parameters within the configuration of the DNS Service Registry. The Service Registry is part of a Service Discovery framework the SBC uses to determine the IP addresses for certain services. Refer to Service Discovery for Trap Target Destinations and EMS Registration for more information. 

To View Service Registry - Resolve Configuration

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

The Resolve window opens. If it is not already selected, select dns from the Service Registry list to show the currently configured Resolve options.

Figure 1: Service Registry - Resolve Window

To Edit the Service Registry - Resolve Configuration

To edit the Resolve settings within the DNS Service Registry configuration:

Use the following table to adjust the settings shown above in the Edit Resolve window and then click Save. 

Table 1: Service Registry - Resolve Parameters

ParameterDescription
Recurse

Specifies whether the resolution of a service should be recursive. The options are:

  • True
  • False (default)
Round Robin

Specifies whether the order in which name servers are queried should be random. The options are:

  • True  – (default) the SBC sends a resolve query to contact the configured name servers in a random order until the SBC receives a response. The order changes for each query.
  • False –  the SBC sends a resolve query to contact the configured name servers sequentially until the SBC receives a response.
TtlSpecifies the maximum time-to-live, in seconds, to use when resolving an entry. The range is 1 to 4294967295. The default is 30 seconds.

If the TTL of an entry in the name server is greater than this value, this value is used instead.

You cannot copy or delete the Service Registry - Resolve configuration.