Filter
Top Products
Contents
vi OmniSwitch 6600 Family Network Configuration Guide April 2006
Spanning Tree Operating Modes ..................................................................................19-9
Using the Flat Spanning Tree Mode ......................................................................19-9
Using 1x1 Spanning Tree Mode ...........................................................................19-10
Configuring Spanning Tree Bridge Parameters ..........................................................19-12
Bridge Configuration Commands Overview ........................................................19-12
Selecting Bridge Protocol .....................................................................................19-14
Configuring the Bridge Priority ...........................................................................19-14
Configuring the Bridge Hello Time .....................................................................19-15
Configuring the Bridge Max Age Time ...............................................................19-16
Configuring the Bridge Forward Delay Time ......................................................19-17
Enabling/Disabling the VLAN BPDU Switching Status .....................................19-18
Configuring the Path Cost Mode ..........................................................................19-18
Configuring Spanning Tree Port Parameters ..............................................................19-19
Bridge Configuration Commands Overview ........................................................19-19
Enabling/Disabling Spanning Tree on a Port .......................................................19-21
Spanning Tree on Link Aggregate Ports .......................................................19-21
Configuring Port Priority .....................................................................................19-22
Port Priority on Link Aggregate Ports ...........................................................19-23
Configuring Port Path Cost ..................................................................................19-23
Path Cost for Link Aggregate Ports ...............................................................19-25
Configuring Port Mode ........................................................................................19-26
Mode for Link Aggregate Ports .....................................................................19-27
Configuring Port Connection Type ......................................................................19-27
Connection Type on Link Aggregate Ports ...................................................19-28
Sample Spanning Tree Configuration .........................................................................19-29
Example Network Overview ................................................................................19-29
Example Network Configuration Steps ................................................................19-30
Verifying the Spanning Tree Configuration ...............................................................19-32
Chapter 6 Using 802.1s Multiple Spanning Tree ................................................................20-1
In This Chapter ..............................................................................................................20-1
MST Specifications .......................................................................................................20-2
Spanning Tree Bridge Parameter Defaults ....................................................................20-2
Spanning Tree Port Parameter Defaults ........................................................................20-3
MST Region Defaults ...................................................................................................20-3
MST General Overview ................................................................................................20-4
How MSTP Works .................................................................................................20-4
Comparing MSTP with STP and RSTP .................................................................20-7
What is a Multiple Spanning Tree Instance (MSTI) ..............................................20-7
What is a Multiple Spanning Tree Region .............................................................20-8
What is the Common Spanning Tree .....................................................................20-9
What is the Internal Spanning Tree (IST) Instance ................................................20-9
What is the Common and Internal Spanning Tree Instance ...................................20-9
MST Configuration Overview ....................................................................................20-10
Using Spanning Tree Configuration Commands .................................................20-10
Understanding Spanning Tree Modes ..................................................................20-11