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Multiple Spanning Tree Protocol | 655
MSTP Sample Configurations
The running-configurations in Figure 29-11, Figure 29-12, and Figure 29-12 support the topology shown
in Figure 29-10. The configurations are from FTOS systems. An S50 system using SFTOS, configured as
shown Figure 29-14, could be substituted for an FTOS router in this sample following topology and MSTP
would function as designed.
Figure 29-10. MSTP with Three VLANs Mapped to Two Spanning Tree Instances
R1
R2
R3
1/2
3/1
3/2
1/3
2/1
2/3
root
Forwarding
Blocking