iv OmniSwitch 6800/6850/9000 Network Configuration Guide March 2008
Chapter 2 Managing Source Learning ...................................................................................2-1
In This Chapter ................................................................................................................2-1
Source Learning Specifications .......................................................................................2-2
Source Learning Defaults ...............................................................................................2-2
Sample MAC Address Table Configuration ...................................................................2-2
MAC Address Table Overview .......................................................................................2-4
Using Static MAC Addresses ..........................................................................................2-4
Configuring Static MAC Addresses .........................................................................2-5
Static MAC Addresses on Link Aggregate Ports ..............................................2-5
Using Static Multicast MAC Addresses .........................................................................2-6
Configuring Static Multicast MAC Addresses .........................................................2-6
Static Multicast MAC Addresses on Link Aggregate Ports ..............................2-7
ASCII-File-Only Syntax ..........................................................................................2-7
Configuring MAC Address Table Aging Time ..............................................................2-8
Increasing the MAC Address Table Size ........................................................................2-9
Displaying Source Learning Information ......................................................................2-10
Chapter 3 Using 802.1Q 2005 Multiple Spanning Tree ......................................................3-1
In This Chapter ................................................................................................................3-1
MST Specifications .........................................................................................................3-2
Spanning Tree Bridge Parameter Defaults ......................................................................3-2
Spanning Tree Port Parameter Defaults ..........................................................................3-3
MST Region Defaults .....................................................................................................3-3
MST General Overview ..................................................................................................3-4
How MSTP Works ...................................................................................................3-4
Comparing MSTP with STP and RSTP ...................................................................3-7
What is a Multiple Spanning Tree Instance (MSTI) ................................................3-7
What is a Multiple Spanning Tree Region ...............................................................3-8
What is the Common Spanning Tree .......................................................................3-9
What is the Internal Spanning Tree (IST) Instance ..................................................3-9
What is the Common and Internal Spanning Tree Instance .....................................3-9
MST Configuration Overview ......................................................................................3-10
Using Spanning Tree Configuration Commands ...................................................3-10
Understanding Spanning Tree Modes ....................................................................3-11
MST Interoperability and Migration .............................................................................3-12
Migrating from Flat Mode STP/RSTP to Flat Mode MSTP ..................................3-12
Migrating from 1x1 Mode to Flat Mode MSTP .....................................................3-13
Quick Steps for Configuring an MST Region ...............................................................3-14
Quick Steps for Configuring MSTIs .............................................................................3-16
Verifying the MST Configuration .................................................................................3-19
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