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Chapter 2: Virtual Chassis Stacking
Stacking Port Topologies
38
There are two possible wiring topologies when you use the S1/27 and S2/
28 slots to build a VCStack. The first topology is called the linear topology.
In this topology the switches are connected with a single pathway. A
transceiver in one switch is connected to a transceiver in the next switch,
which is connected to the next switch, and so on. The connections must
cross over to different stacking slots on the switches: The stacking
transceiver in the S1 slot in one switch must connect to the stacking
transceiver in the S2 slot in the next switch.
Figure 10 is an example of a stack of two switches in the linear topology.
The transceiver in the S1 slot on the top switch is connected to the
transceiver in the S2 slot on the bottom switch.
Figure 10. Stack of Two Switches in the Linear Topology
Note
The stack will not function if the connections to the S1 and S2 slots
do not cross over on the switches. The switches will not form a stack
and instead operate as stand-alone devices.
The stack in Figure 11 has four switches in the linear topology.
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