4
Table of Contents
Preface
...................................................................................................................................................................................................................... 6
How This Guide is Organized ............................................................................................................................................................................. 6
Document Conventions ...................................................................................................................................................................................... 7
Where to Find Web-based Guides ................................................................................................................................................................... 8
Contacting Allied Telesyn ................................................................................................................................................................................... 9
Telephone Support ....................................................................................................................................................................................... 9
For Sales or Corporate Information ........................................................................................................................................................ 9
Management Software Updates ....................................................................................................................................................................10
Chapter 1
Product Description
.........................................................................................................................................................................................11
Summary of Features ..........................................................................................................................................................................................11
Location of Components ...................................................................................................................................................................................12
Hardware Features ..............................................................................................................................................................................................13
Twisted Pair Ports ........................................................................................................................................................................................ 13
Gigabit Interface Converter (GBIC) Slots............................................................................................................................................. 17
Stacking Ports ............................................................................................................................................................................................... 18
System LEDs .................................................................................................................................................................................................. 19
Stack ID LEDs................................................................................................................................................................................................. 20
10/100 Mbps Port LEDs ............................................................................................................................................................................. 21
10/100/1000 Mbps Port LEDs.................................................................................................................................................................. 22
Gigabit Connector LEDs............................................................................................................................................................................ 23
RS-232 Terminal Port.................................................................................................................................................................................. 24
AC Power Connector.................................................................................................................................................................................. 25
Software Features ................................................................................................................................................................................................26
AT-S41 Management Software .............................................................................................................................................................. 26
Spanning Tree Protocol (STP) ................................................................................................................................................................. 29
Tagged and Port-based VLANs............................................................................................................................................................... 30
Quality of Service (QoS)............................................................................................................................................................................. 30
IGMP Snooping ............................................................................................................................................................................................ 31
Dynamic Host Configuration Protocol (DHCP) ................................................................................................................................. 32
Port Monitoring............................................................................................................................................................................................ 32
Port Trunking ................................................................................................................................................................................................ 32
Port Security .................................................................................................................................................................................................. 35
A Few Basics to Ethernet Switching ..............................................................................................................................................................36
MAC Address Table..................................................................................................................................................................................... 36
Duplex Mode................................................................................................................................................................................................. 37
Store and Forward....................................................................................................................................................................................... 37