Administrator Guide

Resetting a Unit on a 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 a stack, use the following commands.
• Reload a stack-unit.
EXEC Privilege mode
reset stack-unit unit-number
• 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 unit-number {hard}
Verify a Stack Configuration
The light of the LED status indicator on the front panel of the stack identifies the unit’s role in the stack.
• Off indicates the unit is a stack member.
• The master LED is in OFF state for the standby unit.
• 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
DellEMC#show system stack-ports
Topology: Ring
Interface Connection Link Speed Admin Link
(Gb/s) Status Status
---------------------------------------------------------
1/53 2/53 42 up up
1/54 3/54 42 up up
2/53 1/53 42 up up
2/54 3/53 42 up up
3/53 2/54 42 up up
3/54 1/54 42 up up
DellEMC#
The following example shows the parameters for the management unit in the stack.
DellEMC#show system stack-unit 1
-- Unit 1 --
Unit Type : Management Unit
Status : online
Next Boot : online
Required Type : S4810 - 52-port GE/TE/FG (SE)
Current Type : S4810 - 52-port GE/TE/FG (SE)
Master priority : 0
Hardware Rev : 3.0
Num Ports : 64
Up Time : 1 min, 14 sec
Dell Networking OS Version : 4810-8-3-12-1447
Jumbo Capable : yes
POE Capable : no
Stacking
881