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Figure 23. N30xx Stack in a Ring Topology

N30xx stack

Mini-SAS cables attached in a ring topology

The ring topology stack has the following physical connections between the switches:

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The bottom mini-SAS port on Unit 1 is connected to the top mini-SAS port on Unit 2.

•

The bottom mini-SAS port on Unit 2 is connected to the top mini-SAS port on Unit 3.

•

The bottom mini-SAS port on Unit 3 is connected to the top mini-SAS port on Unit 1.

Stacking Standby on Dell Networking OS 6.3(0.16)

The stacking feature on Dell Networking OS version 6.3(0.16) supports a Standby or backup unit that assumes the Master unit role if the

Master unit in the stack fails. As soon as a Master failure is detected in the stack, the Standby unit initializes the control plane and enables

all other stack units with the current configuration. The Standby unit maintains a synchronized copy of the running configuration for the

stack. The Standby unit is automatically selected in the stack; however, you can use the CLI to select a different stack member as

Standby. For more information, see the User's Configuration Guide or the CLI Reference Guide.

Stacking Standby on Dell Networking OS 9.11(0.0)

If the system runs Dell Networking OS version 9.11(0.0), the system supports a Standby or backup unit that assumes the Stack Master

role if the Master unit in the stack fails. The parent C9010 maintains a synchronized copy of the running configuration for the stack. When

the system detects a Stack Master failure, the C9010 initializes the Standby unit and enables all other stack units with the current

configuration.

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N30xx Series Installation