On a Dell PowerEdge 16G server, iDRAC is configured to use a shared LOM port. What happens if the Auto-Dedicated NIC option is enabled and a dedicated NIC becomes available?
A.
iDRAC uses both the shared LOM and dedicated NIC simultaneously for redundancy
B.
iDRAC automatically switches to the dedicated NIC without requiring a reboot
C.
iDRAC disables network connectivity until manually reconfigured
D.
iDRAC continues using the shared LOM port until the next reboot
Dell PowerEdge 16G servers feature intelligent networking behaviors designed to simplify access management and maintain control-plane connectivity during physical infrastructure changes. When the iDRAC is configured to route management traffic through a shared LAN-on-Motherboard (LOM) port, it utilizes the physical connections of the host operating system's network adapter. Enabling the "Auto-Dedicated NIC" feature directs the internal management processor to actively track the physical status of the server's dedicated out-of-band network port. If a network cable connected to a live switch is plugged into that dedicated port, the iDRAC detects an active link signal and dynamically shifts its network stack over to the dedicated physical port. This transition happens entirely in the background without needing a system reboot or manual network configuration adjustments. Moving management traffic away from the host production ports onto an isolated network segment enhances overall security profiles while keeping existing management sessions active throughout the port transition.
Study Guide References: System Administration; iDRAC Connectivity Profiles; Auto-Dedicated NIC Redirection Logic.
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