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You must configure Multiple Spanning Tree Protocol (MSTP) on an HP E8212 zl switch and three E5406 zl switches. What is required to ensure that all of the switches join the same MST region?
A. The switches must be running the same software version.
B. The switches must be configured to discard BPDUs from switches using STP or RSTP.
C. Bridge Priorities on all switches must be configured so that each MST instance has a different Root Bridge.
D. The switches must be configured with identical MST config-names, config-revisions, and VLAN- to-instance mappings.
Correct Answer: D
Explanation/Reference:
MST region
A multiple spanning tree region (MST region) consists of multiple devices in a switched network and the network segments among them. These devices have the following characteristics:
All are MSTP-enabled
They have the same region name
They have the same VLAN-to-instance mapping configuration
They have the same MSTP revision level configuration
They are physically linked with one another
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