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GS728TS, GS728TPS, GS752TS, and GS752TPS Gigabit Smart Switches
When the stack is powered up and completes the boot process or the original stack master
becomes unavailable, the stack master is determined through an election process.
The rules for stack master Election are as follows:
• If a unit had previously been elected stack master, then it will remain the stack master and
other units will simply be stack members.
• If no units were stack masters, or more than one unit was a stack master, then the unit
with the highest management preference is elected stack master. The management
preference can be assigned by the administrator. However, if all units have the same
management preference, then the unit with the highest MAC address is assigned as the
stack master.
Factory Defaults Reset Behavior
If the stack master is reset to the factory default settings (see Factory Default on page 281),
the stack master applies the default settings to all the stack members and resets the stack,
including all participating stack members. When the stack boots, the stack master election
process begins.
Stack Configuration
From this page, you can preconfigure stack members before adding them to the stack,
change the unit number assigned to a stack member, and to select a new stack master or
give management preference to one or more units.
If you change the unit ID on a stack member, the member reloads. A stack move causes all
routes and layer 2 addresses to be lost. The administrator is prompted to confirm the
management move.
To display the Stack Configuration page, click System  Stacking  Basic  Stack
Configuration. A screen similar to the following is displayed.
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