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Cisco EtherSwitch Service Modules Feature Guide
Switch Stack Configuration Scenarios
80
Cisco IOS Release 12.2(25)SEC
Stack master election
specifically determined
by the cryptographic IP
base image
Assuming that all stack members have the
same priority value:
1. Make sure that one stack member has
the cryptographic IP base image
installed and that the other stack
member has the noncryptographic IP
base image installed.
2. Restart both stack members at the same
time.
The stack member with the cryptographic IP base
image is elected stack master.
Stack master election
specifically determined
by the MAC address
Assuming that both stack members have the
same priority value, configuration file, and
software image, restart both stack members
at the same time.
The stack member with the lower MAC address is
elected stack master.
Stack member number
conflict
Assuming that one stack member has a
higher priority value than the other stack
member:
1. Ensure that both stack members have
the same stack member number. If
necessary, use the switch
current-stack-member-number
renumber new-stack-member-number
global configuration command.
2. Restart both stack members at the same
time.
The stack member with the higher priority value
retains its stack member number. The other stack
member has a new stack member number.
Addition of a stack
member
1. Power down the new Cisco
EtherSwitch service module.
2. Through their StackWise ports, connect
the new Cisco EtherSwitch service
module to a powered-up switch stack.
3. Power up the new Cisco EtherSwitch
service module.
The stack master is retained. The new Cisco
EtherSwitch service module is added to the switch
stack.
Table 4 Switch Stack Configuration Scenarios (continued)
Scenario Action Result