ZyXEL Communications GS1510-16, GS1510-24 Part IV: Security and Management

Table of Contents

14.1	Overview ...........................................................................................................................	81
14.2 What You Need to Know ....................................................................................................		81
14.3	Loop Guard ........................................................................................................................	83
Chapter 15
QoS...........................................................................................................................................		85
15.1	Overview ...........................................................................................................................	85
15.2 What You Can Do ..............................................................................................................		85
15.3 What You Need to Know ....................................................................................................		85
15.3.1 Queuing algorithms ..................................................................................................		85
15.3.2 QoS Enhancement ...................................................................................................		86
15.4	Port Priority ........................................................................................................................	86
15.5	IP DiffServ (DSCP) ............................................................................................................	87
15.5.1 Differentiated Services Code Point (DSCP) .............................................................		88
15.6	Priority/Queue Mapping .....................................................................................................	89
15.7	Queuing Method ................................................................................................................	90
Chapter 16
Storm Control..........................................................................................................................		93
16.0.1 Broadcast Storm Control Setup ...............................................................................		93
Chapter 17
Spanning Tree Protocol..........................................................................................................		95
17.1	Overview ..........................................................................................................................	95
17.2 What You Can DO .............................................................................................................		95
17.3 What You Need to Know ....................................................................................................		95
17.3.1 STP Terminology .....................................................................................................		96
17.3.2 How STP Works ......................................................................................................		96
17.4	General Settings ................................................................................................................	97
17.5	STP Status Screen ...........................................................................................................	98
Part IV: Security and Management .....................................................		101
Chapter 18
IP Source Guard....................................................................................................................		103
18.1	Overview ..........................................................................................................................	103
18.2 What You Can Do ............................................................................................................		103
18.3 What You Need To Know .................................................................................................		103
18.3.1 DHCP Snooping Overview .....................................................................................		104
18.3.2 ARP Inspection Overview ......................................................................................		105
18.4 DHCP Snooping ..............................................................................................................		107

14
	GS1510 Series User’s Guide