Download Redundancy Configuration: MICE Switch Power (MSP)

Spanning Tree
3.1.6
3.1 Basics
Max Age and Diameter
The “Max Age” and “Diameter” values largely determine the maximum
expansion of a Spanning Tree network.
 Diameter
The number of connections between the devices in the network that are
furthest removed from each other is known as the network diameter.
Diameter = 7
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2
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4
5
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7
Root-Bridge
Figure 19: Definition of diameter
The network diameter that can be achieved in the network is MaxAge-1.
In the state on delivery, MaxAge=20 and the maximum diameter that can
be achieved=19. If you set the maximum value of 40 for MaxAge, the
maximum diameter that can be achieved=39.
UM RedundConfig MSP
Release 2.0 02/2013
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