Enterasys 5g102-06-g Betriebsanweisung

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Spanning Tree Protocol in a Network
A-2
Spanning Tree Concepts
A.2
SPANNING TREE PROTOCOL IN A NETWORK 
To provide a simple generic example, three standalone switches are shown in 
illustrate how the switches would establish an effective STA configuration. Switches A, B and C 
are connected together in a redundant topology (more than one path between two points). If the 
connection between A and B goes down, the link between A and C becomes active, thereby 
establishing a path between A and B through switch C. Additionally, if the connection between B 
and C goes down, the link between A and C becomes active, establishing a path between B and C 
through switch A.
Figure A-1
Spanning Tree Using Switches
Switch A
Switch B
Switch C