If a backup node fails, a standby node configured as master-capable is elected as the new backup. This new backup node is then synchronized to the databases of the master node.
For all non-master nodes, a node that reboots or is power-cycled loses all of its connections to all networks for the duration of the reboot cycle. Any PoE (Power over Ethernet) ports that were providing power prior to the event do not supply power.
When a non-master node fails, the master node marks the related slot as Empty. All other nodes exclude the failed node from the control path and any customer-configured VLANs, trunk group ports, mirroring ports, and so forth.
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