Cisco Catalyst 2960 series Configuration Manual page 14

Contents
Consolidated Platform Configuration Guide, Cisco IOS Release 15.2(4)E (Catalyst 2960-X Switches)
xiv
IST, CIST, and CST
245
Operations Within an MST Region
Operations Between MST Regions
IEEE 802.1s Terminology
Illustration of MST Regions
Hop Count 248
Boundary Ports
249
IEEE 802.1s Implementation
Port Role Naming Change
Interoperation Between Legacy and Standard Switches
Detecting Unidirectional Link Failure
MSTP and Switch Stacks
Interoperability with IEEE 802.1D STP
RSTP Overview
252
Port Roles and the Active Topology
Rapid Convergence
Synchronization of Port Roles
Bridge Protocol Data Unit Format and Processing
Processing Superior BPDU Information
Processing Inferior BPDU Information
Topology Changes
Protocol Migration Process
Default MSTP Configuration
About MST-to-PVST+ Interoperability (PVST+ Simulation)
About Detecting Unidirectional Link Failure
How to Configure MSTP Features
Specifying the MST Region Configuration and Enabling MSTP
Configuring the Root Switch
Configuring a Secondary Root Switch
Configuring Port Priority
Configuring Path Cost
Configuring the Switch Priority
Configuring the Hello Time
Configuring the Forwarding-Delay Time
Configuring the Maximum-Aging Time
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