Stacking S-Series Switches | 1035Split an S-Series StackTo split a stack, unplug the desired stacking cables.You may do this at any time, whether the stack ispowered or unpowered, and the units are online or offline. Each portion of the split stack retains the startupand running configuration of the original stack.For a parent stack that is split into two child stacks, A and B, each with multiple units:• If one of the new stacks receives the primary and the secondary management units, it is unaffected bythe split.• If one of the new stacks receives only the primary management unit, that units remains the stackmanager, and FTOS elects a new secondary management unit.• If one of the new stacks receives only the secondary management unit, it becomes the primarymanagement, and FTOS elects a new secondary management unit.• If one of the new stacks receives neither the primary nor the secondary management unit, the stack isreset so that a new election can take place.S-Series Stacking Configuration Tasks• Assign Unit Numbers to Units in an S-Series Stack on page 1035• Create a Virtual Stack Unit on an S-Series Stack on page 1036• Display Information about an S-Series Stack on page 1036• Influence Management Unit Selection on an S-Series Stack on page 1039• Manage Redundancy on an S-Series Stack on page 1039• Reset a Unit on an S-Series Stack on page 1039• Recover from Stack Link Flaps on page 1040Assign Unit Numbers to Units in an S-Series StackEach unit in the stack has a stack number that is either assigned by you or FTOS. Units are numbered from0 to 7. Stack numbers are stored in NVRAM and are preserved upon reload.Task Command Syntax Command ModeAssign a stack-number to a unit. stack-unit renumber EXEC PrivilegeNote: Renumbering the stack manager triggers a failover, as shown in Message 1.Message 1 Renumbering the Stack ManagerRenumbering master unit will reload the stack. Proceed to renumber [confirm yes/no]: yes
