Cisco WS-C3750G-12S-SD Hardware Installation Guide - Page 74
Cabling Considerations
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Planning the Stack Chapter 3 Switch Installation Cabling Considerations The illustrations in this section display cabling configuration examples that show the stack bandwidth and possible stack partitioning. Figure 3-2 shows an example of a stack of Catalyst 3750 switches that provides full bandwidth and redundant StackWise cable connections. Figure 3-2 Example of a Stack with Full Bandwidth Connections 86821 A B C Figure 3-3 shows an example of a stack of Catalyst 3750 switches with incomplete StackWise cabling connections. This stack provides only half bandwidth and does not have redundant connections. Figure 3-3 Example of a Stack with Half Bandwidth Connections 86823 A B Figure 3-4 and Figure 3-5 show examples of stacks of Catalyst 3750 switches with failover conditions. In Figure 3-4, theStackWise cable is bad in link B; therefore, this stack provides only half bandwidth and does not have redundant connections. In Figure 3-5 link B is bad; therefore, this stack partitions into two stacks with switch 1 and switch 3 being stack masters. 3-14 Catalyst 3750 Switch Hardware Installation Guide 78-15136-02