Set Cisco Stack Master Placement in Switch Stack

- Multiple Catalyst 2960-S or 3750-X switches configured in stack

- One switch in stack (Master Switch) controls operation of stack

- When 3 or more switches in stack configure switch that does not have uplinks as master switch

Set Stack Master Switch:

switch [switch number] priority 15

Ensure original master MAC address remains stack MAC address after failure:

stack-mac persistent timer 0