Dell M6220 User Configuration Manual page 168

Command
unit SID
member
stack-port
tengigabitethernet
unit/slot/port
{ethernet |
stack}
nsf
exit
boot auto-copy-sw
boot auto-copy-sw allow-
downgrade
exit
show auto-copy-sw
unit
reload
NOTE:
The OSPF feature uses NSF to enable the hardware to continue forwarding
IPv4 packets using OSPF routes while a backup unit takes over stack master
responsibility. Additional NSF commands are available in OSPF and OSPFv3
command modes. For more information, see "NSF OSPF Configuration (PCM6220,
PCM6348, and PCM8024-k Only)" on page 981 and "NSF OSPFv3 Configuration
(PCM6220, PCM6348, and PCM8024-k Only)" on page 998
168
Managing a Switch Stack
Purpose
Add a switch to the stack and specify the model of the new
stack member.
unit
• - The switch unit ID
SID
• - The index into the database of the supported
switch types, indicating the type of the switch being
preconfigured.
Note: Member configuration displayed in the running
config may be learned from the physical stack. Member
configuration is not automatically saved in the startup-
config. Save the configuration to retain the current
member settings.
To view the SID associated with the supported switch
types, use the show supported switchtype command in
Privileged EXEC mode.
Set the mode of the port to either Ethernet or stacking.
Enable nonstop forwarding on the stack.
Exit to Global Config mode.
Enable the Stack Firmware Synchronization feature.
Allow the firmware version on the newly added stack
member to be downgraded if the firmware version on
manager is older.
Exit to Privileged EXEC mode.
View the Stack Firmware Synchronization settings for the
stack.
If necessary, reload the specified stack member.