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Chapter 10: Building Stacks with Multi-Gigabit Copper Ports
STACK
PRIORITY
Command
130
awplus(config)# interface port1.0.27-1.0.28
awplus(config-if)# no stackport
After removing the SFP+ as the stack trunk, you can designate the Multi-
Gigabit copper ports as the trunk, as in this example also for the
GS970EMX/28 Switch:
awplus(config)# interface port1.0.25-1.0.26
awplus(config-if)# stackport
You use this command to set a switch's priority value. The range is 0 to
255. The default is 128. The lower the number, the higher the priority.
Switches use their priority settings for the following functions:
Select the master switch when the switches are powered on or
rebooted simultaneously.
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 it easier to manage the stack.
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 will 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 4.
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.
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