Owners Manual

redundancy disable-auto-reboot stack-unit
This command does not affect a forced failover, manual reset, or a stack-link disconnect.
• Display redundancy information.
EXEC Privilege mode
show redundancy
Resetting a Unit on an S-Series Stack
You may reset any stack unit except for the master management unit, as shown in the following message.
% Error: Reset of master unit is not allowed.
To rest a unit on an S-Series stack, use the following commands.
• Reload a stack-unit.
EXEC Privilege mode
reset stack-unit
• Reload a member unit, from the unit itself.
EXEC Privilege mode
reset-self
• Reset a stack-unit when the unit is in a problem state.
EXEC Privilege mode
reset stack-unit {hard}
Verify a Stack Configuration
The light of the LED status indicator on the front panel of an S4820T stack identifies the unit’s role in the
stack.
• Off indicates the unit is a stack member.
• Blinking green indicates the unit is the stack standby.
• Solid green indicates the unit is the stack master (management unit).
Displaying the Status of Stacking Ports
To display the status of the stacking ports, including the topology, use the following command.
• Display the stacking ports.
EXEC Privilege mode
show system stack-ports
Examples of Viewing the Status for Stacked Switches
The following example shows four switches stacked together with two 40G links in a ring topology.
Dell#show system stack-ports
Topology: Ring
Interface Connection Link Speed Admin Link Trunk
(Gb/s) Status Status Group
908
Stacking