How does the second external port function in Redundant Mode?

In Redundant Mode, the second external port connects to an independent internal Dante port, enabling a fallback option to maintain audio signal integrity and network connectivity. This redundancy is essential in high-availability environments, as it aims to ensure that if the main port fails or experiences issues, the secondary port can take over without interruption in the audio stream.

The connection to an independent internal port allows both ports to operate simultaneously, enhancing system reliability. Each external port can be independently addressed while the internal ports share network resources, reflecting the design philosophy of Dante to provide seamless failover capabilities in professional audio networking.

The other options suggest functionalities that do not align with the specific operation principles of Dante in redundant configurations. For instance, mirroring or sharing the same IP address would not allow for true redundancy, as it would not provide an alternative path in the event of failure. Additionally, defining one of the ports as a primary connection contradicts the redundant nature where both ports are designed to serve important roles in ensuring continuous connectivity.