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How to Configure the Cisco EtherSwitch Service Module in a Switch Stack
How to Configure the Cisco EtherSwitch Service Module in a
Switch Stack
This section describes how to configure the Cisco EtherSwitch service module in a switch stack. A
switch stack is a set of Cisco EtherSwitch service modules connected through their Cisco StackWise
ports. One of the Cisco EtherSwitch service modules controls the operation of the stack and is called the
stack master. The stack master and the other service modules in the stack are stack members. The stack
members use Cisco StackWise technology to behave and work together as a unified system. Layer 2 and
Layer 3 protocols present the entire switch stack as a single entity to the network.
The stack master is the single point of stack-wide management. From the stack master, you configure
these items:
•
•
A switch stack is identified in the network by its bridge ID and, if the switch stack is operating as a
Layer 3 device, by its router MAC address. The bridge ID and router MAC address are determined by
the MAC address of the stack master. Every stack member is uniquely identified by its own stack member
number.
You manage the switch stack through a single IP address. The IP address is a system-level setting and is
Note
not specific to the stack master or to any other stack member. You can manage the stack through the same
IP address even if you remove the stack master or any other stack member from the stack.
This section contains the following procedures:
•
•
•
•
Cisco IOS Release 12.2(25)SEC
50
System-level (global) features that apply to all stack members
Interface-level features for each stack member
Default Switch Stack Configuration, page 51
Assigning a Stack Member Number, page 52
Setting the Stack Member Priority Value, page 54
Verifying Information About the Switch Stack, page 55
Cisco EtherSwitch Service Modules Feature Guide
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