Cisco WS-C3020 - Page 16

Contents
xvi
Cisco Catalyst Blade Switch 3020 for HP Software Configuration Guide
OL-8915-03
Understanding RSTP 17-8
Port Roles and the Active Topology 17-9
Rapid Convergence 17-10
Synchronization of Port Roles 17-11
Bridge Protocol Data Unit Format and Processing 17-12
Processing Superior BPDU Information 17-13
Processing Inferior BPDU Information 17-13
Topology Changes 17-13
Configuring MSTP Features 17-14
Default MSTP Configuration 17-14
MSTP Configuration Guidelines 17-15
Specifying the MST Region Configuration and Enabling MSTP 17-16
Configuring the Root Switch 17-17
Configuring a Secondary Root Switch 17-18
Configuring Port Priority 17-19
Configuring Path Cost 17-20
Configuring the Switch Priority 17-21
Configuring the Hello Time 17-22
Configuring the Forwarding-Delay Time 17-23
Configuring the Maximum-Aging Time 17-23
Configuring the Maximum-Hop Count 17-24
Specifying the Link Type to Ensure Rapid Transitions 17-24
Designating the Neighbor Type 17-25
Restarting the Protocol Migration Process 17-25
Displaying the MST Configuration and Status 17-26
CHAPTER 18 Configuring Optional Spanning-Tree Features 18-1
Understanding Optional Spanning-Tree Features 18-1
Understanding Port Fast 18-2
Understanding BPDU Guard 18-2
Understanding BPDU Filtering 18-3
Understanding UplinkFast 18-3
Understanding BackboneFast 18-5
Understanding EtherChannel Guard 18-7
Understanding Root Guard 18-8
Understanding Loop Guard 18-9
Configuring Optional Spanning-Tree Features 18-9
Default Optional Spanning-Tree Configuration 18-9
Optional Spanning-Tree Configuration Guidelines 18-10