Cisco Switch: Guide to buiding stackings systems for 2 Cisco switch 9300 devices


Stacking switch is a technology that allows multiple switches to be gathered together, allowing the management of a swicth group like a switch. This is technology that allows failover between switches without downtime


  • Central management
  • The ability to add 1 switch to stack
  • Redundancy and high availability for each member in the stack, any switch in stack down does not affect the entire stack. Even more than one member down
  • With stack we can increase the member in the stack without losing the simplicity of the model
  • Don’t loop


  • The wiring between switches in the stack is a dedicated wire
  • Switches in the same stack must be placed close together
  • High cost
  • The maximum number of members in the stack is 9

Actual images of stack system connections

Stack Member Priority Values

Stack members with the highest Priority index will have a high percentage voted active switch. This priority index is valid from 1 to 15. The default priority value is 1, you can check this through the show switch statement

Configure Stack Switch

  • Persistent MAC Address activation: When this feature is activated, there is a warning about the consequences of this feature. When this feature is activated, there will be a delay before the stack’s MAC address switches to the MAC address of the new active switch
  • Set up priority indicators for stack members

switch stack-member-number priority new-priority-number

  • Delete 1 switch from stack

Remove the cable stack, and connect the cable between the remaining members in the stack, then use the command: no switch stack-member-number provision

  • Check and upgrade in in compatibility switches in stack


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