beautypg.com

Allied Telesis AT-S82 User Manual

Page 4

background image

Contents

4

Guidelines for Creating a VLAN .................................................................................................................42

Working with VLANs .........................................................................................................................................43

Creating a VLAN.........................................................................................................................................43
Displaying all VLANs ..................................................................................................................................44
Modifying a VLAN.......................................................................................................................................45
Deleting a VLAN .........................................................................................................................................45

Protected Ports VLAN.......................................................................................................................................46

Chapter 6: Class of Service ..........................................................................................................................49
Class of Service Overview ................................................................................................................................50

Mapping Ports to Egress Queues...............................................................................................................50
Scheduling..................................................................................................................................................51

Mapping Priorities to Queues............................................................................................................................53
Setting Up the Schedule ...................................................................................................................................54
Assigning Priority to Ports.................................................................................................................................55

Chapter 7: Spanning Tree Protocol (STP) ...................................................................................................57
Spanning Tree Overview ..................................................................................................................................58

Bridge Priority and the Root Bridge ............................................................................................................58

Path Costs and Port Costs...................................................................................................................59
Port Priority ..........................................................................................................................................61
Forwarding Delay and Topology Changes...........................................................................................61
Hello Time and Bridge Protocol Data Units (BPDUs) ..........................................................................62
Point-to-Point and Edge Ports..............................................................................................................63

Spanning Tree and VLANs.........................................................................................................................65

Configuring Spanning Tree ...............................................................................................................................67
Configuring STP Port Settings ..........................................................................................................................70