Dell Networking N2048P Installation Manual - Page 15
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Stack units
2
Stacking cables
The ring topology stack has the following physical connections between the switches:
•
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.
Although the Standby unit is automatically selected in the stack, you can use the CLI on the C9010 or the N20xx/N30xx series system
console to manually configure a different stack member as Standby. For more information, see the Dell Networking Configuration Guide
for C9000 Series Switches
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N20xx Series Installation