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Stack Cabling Configurations - Cisco WS-CBS3120X-S Hardware Installation Manual

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Planning and Creating a Switch Stack
•
•
•
For switch module dimensions, StackWise Plus cable part numbers, and additional stacking guidelines,
see the switch module hardware installation guide on Cisco.com. For concepts and procedures to manage
switch stacks, see the switch module software configuration guide and the stack compatibility guide also
on Cisco.com.
To create a switch stack:
•
•
•

Stack Cabling Configurations

This section describes the recommended configurations for stacking the switches by using the supplied
1-meter StackWise Plus cable.
Figure 2-8
stack in a single blade enclosure.
Figure 2-8
Cisco Catalyst Blade Switch 3120 for HP Hardware Installation Guide
2-14
For conditions that might cause a stack master re-election or to manually elect the stack master, see
the "Managing Switch Stacks" chapter in the switch module software configuration guide on
Cisco.com.
You can stack any combination of up to nine Catalyst 3120G and 3120X switches. You can stack
only the Cisco Catalyst Blade Switch 3120 for HP switch modules; other switches are not supported.
Before installation, verify the StackWise Plus cable length. Depending on your configuration, you
might need different sized cables. The 1-meter cable is suppled if you do not specify the length of
the StackWise Plus cable when you order your product. If you need the 0.5-meter cable or the
3-meter cable, you can order these StackWise Plus cables from your Cisco sales representative:
CAB-STK-E-0.5M= (0.5-meter cable)
–
CAB-STK-E-1M= (1-meter cable)
–
CAB-STK-E-3M= (3-meter cable)
–
Install the member switch modules if you have not already done so.
Connect the StackWise Plus cables as described in the
section on page
2-13.
Configure the member switch modules through the master switch by using the CLI.
is an example of a recommended configuration in which two switch modules create a switch
Stacking Two Switch Modules in a Single Blade Enclosure to Create One Stack
Chapter 2
"Planning and Creating a Switch Stack"
Switch Installation
OL-12246-01
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