Cisco 2950G 24 - Catalyst Switch Software Configuration Manual page 12

Contents
Configuring RSTP and MSTP
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C H A P T E R
Catalyst 2950 Desktop Switch Software Configuration Guide
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Spanning Tree and Redundant Connectivity
Accelerated Aging to Retain Connectivity
Configuring Spanning-Tree Features
Default STP Configuration
STP Configuration Guidelines
Disabling STP
11-12
Configuring the Root Switch
Configuring a Secondary Root Switch
Configuring the Port Priority
Configuring the Path Cost
Configuring the Switch Priority of a VLAN
Configuring the Hello Time
Configuring the Forwarding-Delay Time for a VLAN
Configuring the Maximum-Aging Time for a VLAN
Configuring STP for Use in a Cascaded Stack
Displaying the Spanning-Tree Status
Understanding RSTP
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Port Roles and the Active Topology
Rapid Convergence
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Synchronization of Port Roles
Bridge Protocol Data Unit Format and Processing
Processing Superior BPDU Information
Processing Inferior BPDU Information
Topology Changes
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Understanding MSTP
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Multiple Spanning-Tree Regions
IST, CIST, and CST
12-8
Operations Within an MST Region
Operations Between MST Regions
Hop Count
12-10
Boundary Ports
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Interoperability with 802.1D STP
Configuring RSTP and MSTP Features
Default RSTP and MSTP Configuration
RSTP and MSTP Configuration Guidelines
Specifying the MST Region Configuration and Enabling MSTP
Configuring the Root Switch
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