Cisco WS-C6506 User Manual

Contents
vi
Catalyst 6500 Series Switch Software Configuration Guide—Release 8.7
OL-8978-04
Specifying the Channel Path Cost 6-18
Specifying the Channel VLAN Cost 6-18
Configuring Channel Load Balancing 6-18
Clearing the LACP Statistics 6-18
Displaying EtherChannel Traffic Utilization 6-19
Displaying the Outgoing Ports for a Specified Address or Layer 4 Port Number 6-19
Disabling an EtherChannel 6-19
Displaying the Spanning-Tree Information for EtherChannels 6-20
Clearing and Restoring the EtherChannel Counters 6-20
Clearing the EtherChannel Counters 6-20
Restoring the EtherChannel Counters 6-21
CHAPTER 7 Configuring Spanning Tree 7-1
Understanding How Spanning Tree Protocols Work 7-2
Understanding How a Topology is Created 7-3
Understanding How a Switch Becomes the Root Switch 7-3
Understanding How Bridge Protocol Data Units Work 7-4
Calculating and Assigning Port Costs 7-4
Spanning-Tree Port States 7-6
Understanding How PVST+ and MISTP Modes Work 7-12
PVST+ Mode 7-13
Rapid-PVST+ 7-13
MISTP Mode 7-13
MISTP-PVST+ Mode 7-14
Understanding How Bridge Identifiers Work 7-14
MAC Address Allocation 7-14
MAC Address Reduction 7-15
Understanding How Multiple Spanning Tree Works 7-16
Rapid Spanning Tree Protocol 7-18
MST-to-SST Interoperability 7-19
Common Spanning Tree 7-21
MST Instances 7-21
MST Configuration 7-21
MST Region 7-22
Message Age and Hop Count 7-23
MST-to-PVST+ Interoperability 7-24
Understanding How BPDU Skewing Works 7-24
Understanding How Layer 2 PDU Rate Limiting Works 7-25
Configuring PVST+ on the Switch 7-26

Cisco WS-C6506 Specifications

General

Brand	Cisco
Model	WS-C6506
Category	Switch
Language	English