26 Contents
Configure the VLANs and Ports on Switch 2 . . . 705
Configuring VLANs Using the CLI. . . . . . . . . 706
Configuring a Voice VLAN . . . . . . . . . . . . 710
22 Configuring the Spanning Tree
Protocol . . . . . . . . . . . . . . . . . . . . . . . . . 715
STP Overview . . . . . . . . . . . . . . . . . . . . . 715
What Are Classic STP, Multiple STP, and
Rapid STP? . . . . . . . . . . . . . . . . . . . . 715
How Does STP Work?. . . . . . . . . . . . . . . 716
How Does MSTP Operate in the Network?. . . . 717
MSTP with Multiple Forwarding Paths . . . . . . 721
What are the Optional STP Features? . . . . . . 722
RSTP-PV
. . . . . . . . . . . . . . . . . . . . . . . . 724
DirectLink Rapid Convergence
. . . . . . . . . . 725
IndirectLink Rapid Convergence Feature
. . . . . 727
Interoperability Between STP-PV and
RSTP-PV Modes
. . . . . . . . . . . . . . . . . 729
Interoperability With IEEE Spanning Tree
Protocols
. . . . . . . . . . . . . . . . . . . . . 729
Configuration Examples
. . . . . . . . . . . . . . 734
Default STP Values
. . . . . . . . . . . . . . . . . . . 735
Configuring Spanning Tree (Web) . . . . . . . . . . . 736
STP Global Settings
. . . . . . . . . . . . . . . . 736
STP Port Settings . . . . . . . . . . . . . . . . . 738
STP LAG Settings . . . . . . . . . . . . . . . . . 740
Rapid Spanning Tree . . . . . . . . . . . . . . . 741
MSTP Settings . . . . . . . . . . . . . . . . . . 743
MSTP Interface Settings . . . . . . . . . . . . . 745