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BLADEOS 6.5.2 Application Guide
BMD00220, October 2010 Contents 7
Per-VLAN Spanning Tree Groups 117
Using Multiple STGs to Eliminate False Loops
117
STP/PVST+ Defaults and Guidelines
118
Adding a VLAN to a Spanning Tree Group
118
Creating a VLAN
119
Rules for VLAN Tagged Ports
119
Adding and Removing Ports from STGs
120
Switch-Centric Configuration
121
Configuring Multiple STGs
122
Rapid Spanning Tree Protocol
124
Port State Changes
124
RSTP Configuration Guidelines
125
RSTP Configuration Example
125
Per-VLAN Rapid Spanning Tree Groups
126
Configuring PVRST
126
Multiple Spanning Tree Protocol
127
MSTP Region
127
Common Internal Spanning Tree
127
MSTP Configuration Guidelines
128
MSTP Configuration Example 1
128
MSTP Configuration Example 2
129
Port Type and Link Type
131
Edge Port
131
Link Type
131
Chapter 9: Quality of Service
133
QoS Overview
133
Using ACL Filters
135
Summary of ACL Actions
135
ACL Metering and Re-Marking
136
Using DSCP Values to Provide QoS
137
Differentiated Services Concepts
137
Per Hop Behavior
138
QoS Levels
139
DSCP Re-Marking and Mapping
140
DSCP Re-Marking Configuration Example
141
Using 802.1p Priority to Provide QoS
142
Queuing and Scheduling
143