Cisco WS-C3750X-24P-S Hardware Installation Guide - Page 73
Powering Considerations
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Chapter 3 Switch Installation Planning the Stack Powering Considerations Consider the following guidelines before you power the switches in a stack: • The sequence in which the switches are initially powered on might affect the switch that becomes the stack master. • If you want a particular switch to become the stack master, power on that switch first. This switch becomes the stack master and remains the stack master until a master re-election is required. After approximately 10 seconds power on the remaining switches in the stack. • If you have no preference as to which switch becomes the stack master, power on the all the switches in the stack within a 10-second timeframe. These switches participate in the stack master election. Switches powered on after the 10-second timeframe do not participate in the election. • Power off a switch before you add it to or remove it from an existing switch stack. Note For conditions that can cause a stack master re-election or to manually elect the stack master, refer to the "Managing Switch Stacks" chapter in the switch software configuration guide. 78-15136-02 Catalyst 3750 Switch Hardware Installation Guide 3-13