Cisco 3750G - Catalyst Integrated Wireless LAN Controller - Page 18

Contents
xviii
Catalyst 3750 Switch Software Configuration Guide
OL-8550-02
Spanning Tree and Switch Stacks 18-12
Configuring Spanning-Tree Features 18-12
Default Spanning-Tree Configuration 18-13
Spanning-Tree Configuration Guidelines 18-13
Changing the Spanning-Tree Mode. 18-15
Disabling Spanning Tree 18-16
Configuring the Root Switch 18-16
Configuring a Secondary Root Switch 18-18
Configuring Port Priority 18-18
Configuring Path Cost 18-20
Configuring the Switch Priority of a VLAN 18-21
Configuring Spanning-Tree Timers 18-22
Configuring the Hello Time 18-22
Configuring the Forwarding-Delay Time for a VLAN 18-23
Configuring the Maximum-Aging Time for a VLAN 18-23
Configuring the Transmit Hold-Count 18-24
Displaying the Spanning-Tree Status 18-24
CHAPTER 19 Configuring MSTP 19-1
Understanding MSTP 19-2
Multiple Spanning-Tree Regions 19-2
IST, CIST, and CST 19-3
Operations Within an MST Region 19-3
Operations Between MST Regions 19-4
IEEE 802.1s Terminology 19-5
Hop Count 19-5
Boundary Ports 19-6
IEEE 802.1s Implementation 19-6
Port Role Naming Change 19-7
Interoperation Between Legacy and Standard Switches 19-7
Detecting Unidirectional Link Failure 19-8
MSTP and Switch Stacks 19-8
Interoperability with IEEE 802.1D STP 19-9
Understanding RSTP 19-9
Port Roles and the Active Topology 19-9
Rapid Convergence 19-10
Synchronization of Port Roles 19-11