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Cisco Catalyst 4500 Series - Page 20

Cisco Catalyst 4500 Series
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Contents
20
Software Configuration Guide—Release IOS XE 3.6.0E and IOS 15.2(2)E
OL-30933-01
STP Timers 21-4
Creating the STP Topology 21-5
STP Port States 21-5
MAC Address Allocation 21-6
STP and IEEE 802.1Q Trunks 21-6
Per-VLAN Rapid Spanning Tree 21-6
Default STP Configuration 21-7
Configuring STP 21-7
Enabling STP 21-8
Enabling the Extended System ID 21-9
Configuring the Root Bridge 21-9
Configuring a Secondary Root Switch 21-12
Configuring STP Port Priority 21-13
Configuring STP Port Cost 21-15
Configuring the Bridge Priority of a VLAN 21-17
Configuring the Hello Time 21-17
Configuring the Maximum Aging Time for a VLAN 21-18
Configuring the Forward-Delay Time for a VLAN 21-19
Disabling Spanning Tree Protocol 21-20
Enabling Per-VLAN Rapid Spanning Tree 21-20
Specifying the Link Type 21-21
Restarting Protocol Migration 21-21
About MST 21-22
IEEE 802.1s MST 21-22
IEEE 802.1w RSTP 21-23
RSTP Port Roles 21-24
RSTP Port States 21-24
MST-to-SST Interoperability 21-24
Common Spanning Tree 21-25
MST Instances 21-26
MST Configuration Parameters 21-26
MST Regions 21-26
MST Region Overview 21-26
Boundary Ports 21-27
IST Master 21-27
Edge Ports 21-27
Link Type 21-28
Message Age and Hop Count 21-28
MST-to-PVST+ Interoperability 21-28

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