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28 Assembling a Switch Stack
management if the Master Switch fails. For example:
FTOS> enable
FTOS# configure
FTOS(conf)# stack-unit 0 priority 14
The no form of the stack-unit
unit-number
priority
number
command reverts the
management priority of a stack unit to the default value of 0.
Managing a Stack
Master and Member Switches
You can manage a stack of MXL 10/40GbE Switches as a single entity when
connected together. Manage the stack from the CLI through the serial
console connection or a remote Telnet session over the OOB management IP
address.
When a stack is created, one switch automatically becomes the Master
Switch and another switch is elected Standby Master. The Master Switch
maintains stack operation with minimal impact in the event of:
•Switch failure
• Inter-switch stacking link failure
• Switch insertion
• Switch removal
If the Master Switch goes off line, the Standby Master replaces it as the new
master and the switch with the next highest MAC address or priority becomes
Standby Master.
Stack Startup
Topology Discovery
When a stack is formed, a topology discovery process builds up a database
that contains information about all of the switches in the stack, including the
FTOS version, hardware version, management priority, and switch MAC
address. Use the CLI (show system command) to view this information.