Chapter 2 Switch Module Installation
Creating Switch Stacks
Creating Switch Stacks
This section is only for Catalyst Switch Module 3110G and 3110X and is optional.
A switch stack is a set of up to nine
Caution The Catalyst Switch Module 3110G and 3110X do not support switch stacks with other types of blades switches as members. Combining the switch module with other types of blade switches in a switch stack might cause the switch module to work improperly or to fail.
Stacking Guidelines
Before you connect the switch modules in a stack, observe these stacking guidelines:
•You should install the stack master switch module and run the initial setup program on that switch module before you connect the StackWise Plus cables to other stack members. We recommend that you assign the highest priority value to the switch module that you prefer to be the stack master. This ensures that the switch module is
•When you connect the StackWise Plus cables and create a stack, only the status of the stack master Fa0 interface appears in the switch module configuration, and it shows that the port is shut down while in stack mode.
•You can stack a combination of up to nine switch modules. You can stack only the Catalyst Switch Modules 3110G and 3110X; other blade switches are not supported.
•Although the StackWise Plus ports are numbered (1 and 2), you do not need to make specific port connections between switch modules.
•For conditions that might cause a stack master
•Before connecting, verify the StackWise Plus cable length. Depending on your configuration, you might need different sized cables. If you do not specify the length of the StackWise Plus cable when you order your product, the
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Catalyst Switch Module 3110G, 3110X, and 3012 for IBM BladeCenter Hardware Installation Guide
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