Chapter 13: Building the Stack with Copper or SFP Gigabit Ports
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Designate the order in which they become the master switch if the
active master switch stops responding. If the switches have the
same priority value, they use their MAC addresses to select the
master. The lower the MAC address, the higher the priority.
Allied Telesis recommends setting the priority numbers to match the
switch ID numbers. For example, the switch with ID 1 should be assigned
priority 1, switch with ID 2 should be assigned priority 2, and so on. This is
not a requirement, but it can make managing and troubleshooting the
stack easier.
You can set the priority number on the master switch before building the
stack, but you have to wait until the member switches are part of the stack
before setting their priority values.
Note
Setting the priority values can protect the stack’s configuration if you
later add a new switch that has a lower MAC address than the active
master while the stack is powered off. If the priority values of the
switches are at the default value when you power on the stack, the
new switch might become the master, possibly resulting in the loss
of the stack’s configuration.
The command has this format:
stack switch_ID priority priority_number
The variables are defined here:
switch_ID - This is the ID number of the switch. The ID number is
displayed on the ID LED on the front panel. The range is 1 to 6.
You can specify only one ID number.
priority_number - This is the new priority number for the switch.
The range is 0 to 255. The default is 128. You can specify only one
number.
This example assigns the priority 1 to the switch with ID 1:
awplus(config)# stack 1 priority 1
This example assigns the priority 2 to the switch with ID 2:
awplus(config)# stack 2 priority 2
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