Cisco Catalyst Blade Switch 3020 for HP Software Configuration Guide, Rel. 12.2(25)SEF1

Contents
xiv
Cisco Catalyst Blade Switch 3020 for HP Software Configuration Guide
OL-8915-01
CHAPTER 14 Configuring MSTP 14-1
Understanding MSTP 14-2
Multiple Spanning-Tree Regions 14-2
IST, CIST, and CST 14-3
Operations Within an MST Region 14-3
Operations Between MST Regions 14-4
IEEE 802.1s Terminology 14-5
Hop Count 14-5
Boundary Ports 14-6
IEEE 802.1s Implementation 14-6
Port Role Naming Change 14-7
Interoperation Between Legacy and Standard Switches 14-7
Detecting Unidirectional Link Failure 14-8
Interoperability with IEEE 802.1D STP 14-8
Understanding RSTP 14-8
Port Roles and the Active Topology 14-9
Rapid Convergence 14-10
Synchronization of Port Roles 14-11
Bridge Protocol Data Unit Format and Processing 14-12
Processing Superior BPDU Information 14-13
Processing Inferior BPDU Information 14-13
Topology Changes 14-13
Configuring MSTP Features 14-14
Default MSTP Configuration 14-14
MSTP Configuration Guidelines 14-15
Specifying the MST Region Configuration and Enabling MSTP 14-16
Configuring the Root Switch 14-17
Configuring a Secondary Root Switch 14-18
Configuring Port Priority 14-19
Configuring Path Cost 14-20
Configuring the Switch Priority 14-21
Configuring the Hello Time 14-22
Configuring the Forwarding-Delay Time 14-23
Configuring the Maximum-Aging Time 14-23
Configuring the Maximum-Hop Count 14-24
Specifying the Link Type to Ensure Rapid Transitions 14-24
Designating the Neighbor Type 14-25
Restarting the Protocol Migration Process 14-25
Displaying the MST Configuration and Status 14-26