IBM 12.1(22)EA6 - Manual (Page 8)

Contents
viii
Cisco Systems Intelligent Gigabit Ethernet Switch Modules for the IBM BladeCenter, Software Configuration Guide
24R9746
Configuration Guidelines 7-11
Setting the Interface Speed and Duplex Parameters 7-11
Adding a Description for an Interface 7-12
Monitoring and Maintaining the Interfaces 7-13
Monitoring Interface and Controller Status 7-13
Clearing and Resetting Interfaces and Counters 7-15
Shutting Down and Restarting the Interface 7-15
C H A P T E R
8 Configuring Smartports Macros 8-1
Understanding Smartports Macros 8-1
Configuring Smartports Macros 8-2
Default Smartports Macro Configuration 8-2
Smartports Macro Configuration Guidelines 8-2
Creating Smartports Macros 8-4
Applying Smartports Macros 8-5
Applying Cisco-Default Smartports Macros 8-6
Displaying Smartports Macros 8-8
C H A P T E R
9 Configuring STP 9-1
Understanding Spanning-Tree Features 9-1
STP Overview 9-2
Spanning-Tree Topology and BPDUs 9-3
Bridge ID, Switch Priority, and Extended System ID 9-4
Spanning-Tree Interface States 9-4
Blocking State 9-5
Listening State 9-6
Learning State 9-6
Forwarding State 9-6
Disabled State 9-7
How a Switch or Port Becomes the Root Switch or Root Port 9-7
Spanning Tree and Redundant Connectivity 9-8
Spanning-Tree Address Management 9-8
Accelerated Aging to Retain Connectivity 9-8
Spanning-Tree Modes and Protocols 9-9
Supported Spanning-Tree Instances 9-9
Spanning-Tree Interoperability and Backward Compatibility 9-10
STP and IEEE 802.1Q Trunks 9-10
Spanning Tree Considerations for Cisco Systems Intelligent Gigabit Ethernet Switch Modules 9-11