Deployment Guide

Table Of Contents
Transceiver Monitoring................................................................................................................................................. 853
Configuring SNMP context name...............................................................................................................................854
Chapter 49: Stacking................................................................................................................ 855
Stacking Overview......................................................................................................................................................... 855
Stack Management Roles....................................................................................................................................... 855
Stack Master Election..............................................................................................................................................856
Virtual IP......................................................................................................................................................................857
Failover Roles............................................................................................................................................................. 857
MAC Addressing on Stacks.................................................................................................................................... 857
Stacking LAG............................................................................................................................................................. 858
Supported Stacking Topologies.............................................................................................................................858
High Availability on Stacks......................................................................................................................................859
Management Access on Stacks............................................................................................................................ 859
Important Points to Remember...................................................................................................................................859
Stacking Installation Tasks........................................................................................................................................... 860
Create a Stack...........................................................................................................................................................860
Add Units to an Existing Stack.............................................................................................................................. 863
Split a Stack............................................................................................................................................................... 865
Stacking Configuration Tasks...................................................................................................................................... 865
Assigning Unit Numbers to Units in an Stack.................................................................................................... 865
Creating a Virtual Stack Unit on a Stack............................................................................................................ 866
Displaying Information about a Stack...................................................................................................................866
Influencing Management Unit Selection on a Stack.........................................................................................867
Managing Redundancy on a Stack........................................................................................................................868
Resetting a Unit on a Stack....................................................................................................................................868
Verify a Stack Configuration........................................................................................................................................868
Displaying the Status of Stacking Ports..............................................................................................................869
Remove Units or Front End Ports from a Stack..................................................................................................... 869
Removing a Unit from a Stack...............................................................................................................................869
Removing Front End Port Stacking......................................................................................................................869
Troubleshoot a Stack..................................................................................................................................................... 870
Recover from Stack Link Flaps..............................................................................................................................870
Recover from a Card Problem State on a Stack...............................................................................................870
Chapter 50: Storm Control.........................................................................................................871
Configure Storm Control................................................................................................................................................871
Configuring Storm Control from INTERFACE Mode......................................................................................... 871
Configuring Storm Control from CONFIGURATION Mode.............................................................................872
Detect PFC Storm.......................................................................................................................................................... 872
Restore Queue Drop State........................................................................................................................................... 873
PFC Storm........................................................................................................................................................................ 873
View Details of Storm Control PFC............................................................................................................................ 873
Chapter 51: Spanning Tree Protocol (STP)................................................................................ 875
Protocol Overview.......................................................................................................................................................... 875
Configure Spanning Tree.............................................................................................................................................. 875
Important Points to Remember................................................................................................................................... 876
Configuring Interfaces for Layer 2 Mode.................................................................................................................. 877
Contents
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