Cisco WS-SUP32-GE-3B - Supervisor Engine 32 User manual

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Catalyst Supervisor Engine 32 PISA
Cisco IOS Software Configuration Guide
Release 12.2(18)ZY and Later Releases
Text Part Number: OL-11439-03

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Catalyst Supervisor Engine 32 PISA Cisco IOS Software Configuration Guide, Release 12.2ZY
© 2007–2009, Cisco Systems, Inc. All rights reserved.

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CONTENTS
Preface xxix
Audience 1-xxix
Related Documentation 1-xxix
Conventions 1-xxx
1-xxxi
Product Overview 1-1
Supported Hardware and Software 1-1
User Interfaces 1-1
Configuring Embedded CiscoView Support 1-2
Understanding Embedded CiscoView 1-2
Installing and Configuring Embedded CiscoView 1-2
Displaying Embedded CiscoView Information 1-3
Software Features Supported in Hardware by the PFC3B 1-3
Command-Line Interfaces 2-1
Accessing the CLI 2-1
Accessing the CLI through the EIA/TIA-232 Console Interface 2-2
Accessing the CLI through Telnet 2-2
Performing Command Line Processing 2-3
Performing History Substitution 2-3
Cisco IOS Command Modes 2-4
Displaying a List of Cisco IOS Commands and Syntax 2-5
Securing the CLI 2-6
ROM-Monitor Command-Line Interface 2-7
Configuring the Switch for the First Time 3-1
Default Configuration 3-1
Configuring the Switch 3-2
Using the Setup Facility or the setup Command 3-2
Using Configuration Mode 3-10
Checking the Running Configuration Before Saving 3-10
Saving the Running Configuration Settings 3-11

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Reviewing the Configuration 3-11
Configuring a Static Route 3-11
Configuring a BOOTP Server 3-13
Protecting Access to Privileged EXEC Commands 3-14
Setting or Changing a Static Enable Password 3-14
Using the enable password and enable secret Commands 3-15
Setting or Changing a Line Password 3-15
Setting TACACS+ Password Protection for Privileged EXEC Mode 3-16
Encrypting Passwords 3-16
Configuring Multiple Privilege Levels 3-17
Recovering a Lost Enable Password 3-18
Modifying the Supervisor Engine Startup Configuration 3-19
Understanding the Supervisor Engine Boot Configuration 3-19
Configuring the Software Configuration Register 3-20
Specifying the Startup System Image 3-23
Understanding Flash Memory 3-24
CONFIG_FILE Environment Variable 3-25
Controlling Environment Variables 3-25
Configuring a Supervisor Engine 32 PISA 4-1
Flash Memory on a Supervisor Engine 32 PISA 4-2
Supervisor Engine 32 PISA Ports 4-2
Supervisor Engine 32 PISA Management Ports 4-2
Supervisor Engine 32 PISA Data Ports 4-2
Configuring Full PISA EtherChannel Bandwidth 4-3
Displaying PISA Platform Statistics 4-4
Configuring NSF with SSO Supervisor Engine Redundancy 5-1
Understanding NSF with SSO Supervisor Engine Redundancy 5-1
NSF with SSO Supervisor Engine Redundancy Overview 5-2
SSO Operation 5-2
NSF Operation 5-2
Cisco Express Forwarding 5-3
Multicast MLS NSF with SSO 5-3
Routing Protocols 5-4
NSF Benefits and Restrictions 5-7

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Supervisor Engine Configuration Synchronization 5-9
Supervisor Engine Redundancy Guidelines and Restrictions 5-9
Redundancy Configuration Guidelines and Restrictions 5-9
Hardware Configuration Guidelines and Restrictions 5-9
Configuration Mode Restrictions 5-10
NSF Configuration Tasks 5-10
Configuring SSO 5-11
Configuring Multicast MLS NSF with SSO 5-11
Verifying Multicast NSF with SSO 5-12
Configuring CEF NSF 5-12
Verifying CEF NSF 5-12
Configuring BGP NSF 5-13
Verifying BGP NSF 5-13
Configuring OSPF NSF 5-14
Verifying OSPF NSF 5-14
Configuring IS-IS NSF 5-15
Verifying IS-IS NSF 5-16
Configuring EIGRP NSF 5-18
Verifying EIGRP NSF 5-18
Synchronizing the Supervisor Engine Configurations 5-19
Copying Files to the Redundant Supervisor Engine 5-19
Configuring RPR Supervisor Engine Redundancy 6-1
Understanding RPR 6-1
Supervisor Engine Redundancy Overview 6-2
RPR Operation 6-2
Supervisor Engine Configuration Synchronization 6-3
Supervisor Engine Redundancy Guidelines and Restrictions 6-3
Redundancy Guidelines and Restrictions 6-3
Hardware Configuration Guidelines and Restrictions 6-3
Configuration Mode Restrictions 6-4
Configuring Supervisor Engine Redundancy 6-4
Configuring Redundancy 6-4
Synchronizing the Supervisor Engine Configurations 6-5
Displaying the Redundancy States 6-5
Performing a Fast Software Upgrade 6-6
Copying Files to the Redundant Supervisor Engine 6-7

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Configuring Interfaces 7-1
Understanding Interface Configuration 7-2
Using the Interface Command 7-2
Configuring a Range of Interfaces 7-4
Defining and Using Interface-Range Macros 7-5
Configuring Optional Interface Features 7-6
Configuring Ethernet Interface Speed and Duplex Mode 7-7
Configuring Jumbo Frame Support 7-10
Configuring IEEE 802.3x Flow Control 7-13
Configuring the Port Debounce Timer 7-14
Adding a Description for an Interface 7-15
Understanding Online Insertion and Removal 7-16
Monitoring and Maintaining Interfaces 7-16
Monitoring Interface Status 7-17
Clearing Counters on an Interface 7-17
Resetting an Interface 7-18
Shutting Down and Restarting an Interface 7-18
Checking the Cable Status Using the TDR 7-19
Configuring LAN Ports for Layer 2 Switching 8-1
Understanding How Layer 2 Switching Works 8-1
Understanding Layer 2 Ethernet Switching 8-1
Understanding VLAN Trunks 8-2
Layer 2 LAN Port Modes 8-4
Default Layer 2 LAN Interface Configuration 8-5
Layer 2 LAN Interface Configuration Guidelines and Restrictions 8-5
Configuring LAN Interfaces for Layer 2 Switching 8-6
Configuring a LAN Port for Layer 2 Switching 8-7
Configuring a Layer 2 Switching Port as a Trunk 8-8
Configuring a LAN Interface as a Layer 2 Access Port 8-14
Configuring a Custom IEEE 802.1Q EtherType Field Value 8-15
Configuring Flex Links 9-1
Understanding Flex Links 9-1
Configuring Flex Links 9-2
Flex Links Default Configuration 9-2
Flex Links Configuration Guidelines and Restrictions 9-2

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Configuring Flex Links 9-3
Monitoring Flex Links 9-3
Configuring EtherChannels 10-1
Understanding How EtherChannels Work 10-1
EtherChannel Feature Overview 10-1
Understanding How EtherChannels Are Configured 10-2
Understanding Port Channel Interfaces 10-4
Understanding Load Balancing 10-4
EtherChannel Feature Configuration Guidelines and Restrictions 10-5
Configuring EtherChannels 10-6
Configuring Port Channel Logical Interfaces for Layer 3 EtherChannels 10-6
Configuring Channel Groups 10-7
Configuring the LACP System Priority and System ID 10-10
Configuring EtherChannel Load Balancing 10-10
Configuring the EtherChannel Min-Links Feature 10-11
Configuring VTP 11-1
Understanding How VTP Works 11-1
Understanding the VTP Domain 11-2
Understanding VTP Modes 11-2
Understanding VTP Advertisements 11-3
Understanding VTP Version 2 11-3
Understanding VTP Pruning 11-3
VTP Default Configuration 11-5
VTP Configuration Guidelines and Restrictions 11-5
Configuring VTP 11-6
Configuring VTP Global Parameters 11-6
Configuring the VTP Mode 11-8
Displaying VTP Statistics 11-10
Configuring VLANs 12-1
Understanding How VLANs Work 12-1
VLAN Overview 12-1
VLAN Ranges 12-2
Configurable VLAN Parameters 12-3
Understanding Token Ring VLANs 12-3
VLAN Default Configuration 12-6

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VLAN Configuration Guidelines and Restrictions 12-8
Configuring VLANs 12-9
VLAN Configuration Options 12-9
Creating or Modifying an Ethernet VLAN 12-10
Assigning a Layer 2 LAN Interface to a VLAN 12-11
Configuring the Internal VLAN Allocation Policy 12-12
Configuring VLAN Translation 12-12
Mapping 802.1Q VLANs to ISL VLANs 12-15
Saving VLAN Information 12-16
Configuring Private VLANs 13-1
Understanding How Private VLANs Work 13-1
Private VLAN Domains 13-2
Private VLAN Ports 13-3
Primary, Isolated, and Community VLANs 13-3
Private VLAN Port Isolation 13-4
IP Addressing Scheme with Private VLANs 13-4
Private VLANs Across Multiple Switches 13-5
Private VLAN Interaction with Other Features 13-5
Private VLAN Configuration Guidelines and Restrictions 13-6
Secondary and Primary VLAN Configuration 13-7
Private VLAN Port Configuration 13-9
Limitations with Other Features 13-9
Configuring Private VLANs 13-11
Configuring a VLAN as a Private VLAN 13-11
Associating Secondary VLANs with a Primary VLAN 13-12
Mapping Secondary VLANs to the Layer 3 VLAN Interface of a Primary VLAN 13-13
Configuring a Layer 2 Interface as a Private VLAN Host Port 13-14
Configuring a Layer 2 Interface as a Private VLAN Promiscuous Port 13-15
Monitoring Private VLANs 13-17
Configuring Cisco IP Phone Support 14-1
Understanding Cisco IP Phone Support 14-1
Cisco IP Phone Connections 14-1
Cisco IP Phone Voice Traffic 14-2
Cisco IP Phone Data Traffic 14-3
Cisco IP Phone Power Configurations 14-3

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Default Cisco IP Phone Support Configuration 14-5
Cisco IP Phone Support Configuration Guidelines and Restrictions 14-6
Configuring Cisco IP Phone Support 14-6
Configuring Voice Traffic Support 14-7
Configuring Data Traffic Support 14-8
Configuring Inline Power Support 14-9
Configuring IEEE 802.1Q Tunneling 15-1
Understanding How 802.1Q Tunneling Works 15-1
802.1Q Tunneling Configuration Guidelines and Restrictions 15-3
Configuring 802.1Q Tunneling 15-6
Configuring 802.1Q Tunnel Ports 15-6
Configuring the Switch to Tag Native VLAN Traffic 15-6
Configuring Layer 2 Protocol Tunneling 16-1
Understanding How Layer 2 Protocol Tunneling Works 16-1
Configuring Support for Layer 2 Protocol Tunneling 16-2
Configuring STP and MST 17-1
Understanding How STP Works 17-1
STP Overview 17-2
Understanding the Bridge ID 17-2
Understanding Bridge Protocol Data Units 17-3
Election of the Root Bridge 17-4
STP Protocol Timers 17-4
Creating the Spanning Tree Topology 17-4
STP Port States 17-5
STP and IEEE 802.1Q Trunks 17-11
Understanding How IEEE 802.1w RSTP Works 17-12
Port Roles and the Active Topology 17-12
Rapid Convergence 17-13
Synchronization of Port Roles 17-14
Bridge Protocol Data Unit Format and Processing 17-15
Topology Changes 17-17
Rapid-PVST 17-17
Understanding MST 17-17
MST Overview 17-18
MST Regions 17-18

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IST, CIST, and CST 17-19
Hop Count 17-22
Boundary Ports 17-22
Standard-Compliant MST Implementation 17-23
Interoperability with IEEE 802.1D-1998 STP 17-25
Configuring STP 17-25
Default STP Configuration 17-26
Enabling STP 17-26
Enabling the Extended System ID 17-28
Configuring the Root Bridge 17-28
Configuring a Secondary Root Bridge 17-29
Configuring STP Port Priority 17-30
Configuring STP Port Cost 17-32
Configuring the Bridge Priority of a VLAN 17-33
Configuring the Hello Time 17-34
Configuring the Forward-Delay Time for a VLAN 17-35
Configuring the Maximum Aging Time for a VLAN 17-35
Enabling Rapid-PVST 17-36
Configuring MST 17-37
Default MST Configuration 17-37
MST Configuration Guidelines and Restrictions 17-38
Specifying the MST Region Configuration and Enabling MST 17-38
Configuring the Root Bridge 17-40
Configuring a Secondary Root Bridge 17-41
Configuring Port Priority 17-42
Configuring Path Cost 17-43
Configuring the Switch Priority 17-44
Configuring the Hello Time 17-45
Configuring the Forwarding-Delay Time 17-46
Configuring the Transmit Hold Count 17-46
Configuring the Maximum-Aging Time 17-47
Configuring the Maximum-Hop Count 17-47
Specifying the Link Type to Ensure Rapid Transitions 17-47
Designating the Neighbor Type 17-48
Restarting the Protocol Migration Process 17-49
Displaying the MST Configuration and Status 17-49