Cisco WS-C3020 - Page 15

Contents
xv
Cisco Catalyst Blade Switch 3020 for HP Software Configuration Guide
OL-8915-03
Accelerated Aging to Retain Connectivity 16-8
Spanning-Tree Modes and Protocols 16-9
Supported Spanning-Tree Instances 16-9
Spanning-Tree Interoperability and Backward Compatibility 16-10
STP and IEEE 802.1Q Trunks 16-10
Configuring Spanning-Tree Features 16-10
Default Spanning-Tree Configuration 16-11
Spanning-Tree Configuration Guidelines 16-12
Changing the Spanning-Tree Mode. 16-13
Disabling Spanning Tree 16-14
Configuring the Root Switch 16-14
Configuring a Secondary Root Switch 16-16
Configuring Port Priority 16-16
Configuring Path Cost 16-18
Configuring the Switch Priority of a VLAN 16-19
Configuring Spanning-Tree Timers 16-20
Configuring the Hello Time 16-20
Configuring the Forwarding-Delay Time for a VLAN 16-21
Configuring the Maximum-Aging Time for a VLAN 16-21
Configuring the Transmit Hold-Count 16-22
Displaying the Spanning-Tree Status 16-22
CHAPTER 17 Configuring MSTP 17-1
Understanding MSTP 17-2
Multiple Spanning-Tree Regions 17-2
IST, CIST, and CST 17-3
Operations Within an MST Region 17-3
Operations Between MST Regions 17-4
IEEE 802.1s Terminology 17-5
Hop Count 17-5
Boundary Ports 17-6
IEEE 802.1s Implementation 17-6
Port Role Naming Change 17-7
Interoperation Between Legacy and Standard Switches 17-7
Detecting Unidirectional Link Failure 17-8
Interoperability with IEEE 802.1D STP 17-8