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Dell(conf-if-te-3/41)#
Flush MAC Addresses after a Topology
Change
The system has an optimized MAC address flush mechanism for RSTP, MSTP, and PVST+ that flushes
addresses only when necessary, which allows for faster convergence during topology changes.
However, you may activate the flushing mechanism defined by 802.1Q-2003 using the tc-flush-standard
command, which flushes MAC addresses after every topology change notification.
To view the enable status of this feature, use the show running-config spanning-tree mstp command
from EXEC Privilege mode.
MSTP Sample Configurations
The running-configurations support the topology shown in the following illustration.
The configurations are from Dell Networking OS systems.
Figure 93. MSTP with Three VLANs Mapped to Two Spanning Tree Instances
Multiple Spanning Tree Protocol (MSTP)
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Troubleshooting
