How to Check that DNS is configured properly for Hybrid Signaling


  • How to check that DNS configured properly to resolve external DNS records (
    • Reason: If the BIG-IP can't resolve that name to an address, the API calls for registration will fail.
  • This is a requirement for Hybrid Signaling as explained on Article 1 - How to Configure Hybrid Connector iApp



  • Silverline DDoS
  • Hybrid Signaling
    • Hybrid Connector
  • F5 BIG-IP
  • DNS



Important Note

DNS settings are NOT synchronized between DSC members.  DNS settings need to be configured on every BIG-IP within the DSC.

  1. From the on-prem BIG-IP CLI, execute the command:
    • dig
  2. Ensure a response of is received, such as this:



Related Content

Other Common Issues with Hybrid Signaling iApp

More on Hybrid Connector iApp

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