Cisco Nexus 5000 Series Switch CLI Software Configuration Guide, NX-OS 4.0(1a)N1 (OL-16597-01, January 2009)

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Contents
vi
Cisco Nexus 5000 Series Switch CLI Software Configuration Guide
OL-16597-01
CHAPTER 9 Configuring MST 9-1
Information About MST 9-1
MST Overview 9-2
MST Regions 9-2
MST BPDUs 9-3
MST Configuration Information 9-3
IST, CIST, and CST 9-4
Hop Count 9-7
Boundary Ports 9-7
Detecting Unidirectional Link Failure 9-8
Port Cost and Port Priority 9-8
Interoperability with IEEE 802.1D 9-9
Interoperability with Rapid PVST+: Understanding PVST Simulation 9-9
Configuring MST 9-9
MST Configuration Guidelines 9-10
Enabling MST 9-10
Entering MST Configuration Mode 9-11
Specifying the MST Name 9-12
Specifying the MST Configuration Revision Number 9-13
Specifying the Configuration on an MST Region 9-13
Mapping and Unmapping VLANs to MST Instances 9-15
Mapping Secondary VLANs to Same MSTI as Primary VLANs for Private VLANs 9-16
Configuring the Root Bridge 9-16
Configuring a Secondary Root Bridge 9-17
Configuring the Port Priority 9-18
Configuring the Port Cost 9-19
Configuring the Switch Priority 9-20
Configuring the Hello Time 9-21
Configuring the Forwarding-Delay Time 9-22
Configuring the Maximum-Aging Time 9-22
Configuring the Maximum-Hop Count 9-22
Configuring PVST Simulation Globally 9-23
Configuring PVST Simulation Per Port 9-23
Specifying the Link Type 9-24
Restarting the Protocol 9-25
Verifying MST Configurations 9-25
CHAPTER 10 Configuring STP Extensions 10-1
Information About STP Extensions 10-1