Table of Contents
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RUGGEDCOM ROS
User Guide
•
Section 5.2.2.2, "RSTP in Ring Backbone Configurations"
•
Section 5.2.2.3, "RSTP Port Redundancy"
Section 5.2.2.1
RSTP in Structured Wiring Configurations
RSTP may be used to construct structured wiring systems where connectivity is maintained in the event of link
failures. For example, a single link failure of any link between A and N in
bridges 555 through 888 connected to the network.
Figure 91: Example - Structured Wiring Configuration
To design a structured wiring configuration, do the following:
Select the design parameters for the network.
1.
What are the requirements for robustness and network failover/recovery times? Are there any special
requirements for diverse routing to a central host computer? Are there any special port redundancy
requirements?
RSTP in Structured Wiring Configurations
111
4
3
C
1
2
444
6
5
4
G
I
H
2
1
1
555
4
3
4
1
A
2
B
D
E
3
K
J
2
1
666
777
3
4
Setup and Configuration
Figure 91
would leave all the ports of
1
222
2
4
3
F
1
2
444
6
3
5
4
M
L
2
1
888
3
4
Chapter 5
N
2
3
155
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