Digisol DG-GS4528S User manual

TM
As our product undergoes continuous development the specifications are subject to change without prior notice
DG-GS4528S
Gigabit Ethernet Managed Layer 2 Switch
User Manual
V1.0
2010-11-16

TM
COPYRIGHT
Copyright © 2010 by SNSL. All rights reserved. No part of this publication may be repro-
duced, transmitted, transcribed, stored in a retrieval system, or translated into any lan-
guage or computer language, in any form or by any means, electronic, mechanical,
magnetic, optical, chemical, manual or otherwise, without the prior written permission of
SNSL.
SNSL makes no representations or warranties, either expressed or implied, with respect to
the contents hereof and specifically disclaims any warranties, merchantability or fitness for
any particular purpose. Any software described in this manual is sold or licensed “as is”.
Should the programs prove defective following their purchase, the buyer (and not SNSL, its
distributor, or its dealer) assumes the entire cost of all necessary servicing, repair, and any
incidental or consequential damages resulting from any defect in the software. Further,
SNSL reserves the right to revise this publication and to make changes from time to time in
the contents thereof without obligation to notify any person of such revision or changes.
SNSL an abbreviation of Smartlink Network Systems Ltd.
DG-GS4528S User Manual

U SER M ANUAL
DG-GS4528S GIGABIT ETHERNET MANAGED LAYER 2 SWITCH
Layer 2 Switch
with 24 10/100/1000BASE-T (RJ-45) Ports,
and 4 Gigabit Combination Ports (RJ-45/SFP)
DG-GS4528S
E112010-CS-R01
149100000109A

– 5 –
ABOUT THIS GUIDE
PURPOSE This guide gives specific information on how to operate and use the
management functions of the switch.
AUDIENCE The guide is intended for use by network administrators who are
responsible for operating and maintaining network equipment;
consequently, it assumes a basic working knowledge of general switch
functions, the Internet Protocol (IP), and Simple Network Management
Protocol (SNMP).
CONVENTIONS The following conventions are used throughout this guide to show
information:
N OTE : Emphasizes important information or calls your attention to related
features or instructions.
C AUTION : Alerts you to a potential hazard that could cause loss of data, or
damage the system or equipment.
W ARNING : Alerts you to a potential hazard that could cause personal injury.
RELATED PUBLICATIONS The following publication details the hardware features of the switch,
including the physical and performance-related characteristics, and how to
install the switch:
The Installation Guide
Also, as part of the switch’s software, there is an online web-based help
that describes all management related features.
REVISION HISTORY This section summarizes the changes in each revision of this guide.
NOVEMBER 2010 REVISION
This is the first version of this guide. This guide is valid for software release
v1.1.0.3.

A BOUT T HIS G UIDE
– 6 –

– 7 –
CONTENTS
ABOUT THIS GUIDE 5
CONTENTS 7
FIGURES 23
TABLES 27
SECTION I GETTING STARTED 29
1INTRODUCTION 31
Key Features 31
Description of Software Features 32
Configuration Backup and Restore 32
Authentication 32
Access Control Lists 33
Port Configuration 33
Rate Limiting 33
Port Mirroring 33
Port Trunking 33
Storm Control 33
Static Addresses 33
IEEE 802.1D Bridge 34
Store-and-Forward Switching 34
Spanning Tree Algorithm 34
Virtual LANs 35
Traffic Prioritization 35
Quality of Service 35
Multicast Filtering 35
System Defaults 36
2INITIAL SWITCH CONFIGURATION 39
Connecting to the Switch 39

C ONTENTS
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Configuration Options 39
Required Connections 40
Remote Connections 41
Logging into the CLI 41
Basic Configuration 42
Setting Passwords 42
Setting an IP Address 42
Manual Configuration 43
Dynamic Configuration 45
Enabling SNMP Management Access 46
Community Strings (for SNMP version 1 and 2c clients) 46
Trap Receivers 47
Configuring Access for SNMP Version 3 Clients 48
Managing System Files 49
Saving or Restoring Configuration Settings 49
SECTION II WEB CONFIGURATION 51
3USING THE WEB INTERFACE 53
Connecting to the Web Interface 53
Navigating the Web Browser Interface 54
Home Page 54
Configuration Options 54
Panel Display 55
Main Menu 55
4CONFIGURING THE SWITCH 61
Configuring System Information 61
Setting an IP Address 62
Setting an IPv4 Address 62
Setting an IPv6 Address 64
Configuring NTP Service 66
Configuring Port Connections 67
Configuring Security 70
Configuring User Accounts 70
Configuring User Privilege Levels 72
Configuring The Authentication Method For Management Access 74

C ONTENTS
– 9 –
Configuring SSH 77
Configuring HTTPS 78
Filtering IP Addresses for Management Access 79
Using Simple Network Management Protocol 81
Configuring SNMP System and Trap Settings 82
Setting SNMPv3 Community Access Strings 86
Configuring SNMPv3 Users 87
Configuring SNMPv3 Groups 88
Configuring SNMPv3 Views 90
Configuring SNMPv3 Group Access Rights 91
Configuring Port Limit Controls 92
Configuring Authentication Through Network Access Servers 94
Filtering Traffic with Access Control Lists 105
Assigning ACL Policies and Responses 105
Configuring Rate Limiters 107
Configuring Access Control Lists 108
Configuring DHCP Snooping 115
Configuring DHCP Relay and Option 82 Information 118
Configuring IP Source Guard 119
Configuring Global and Port Settings for IP Source Guard 119
Configuring Static Bindings for IP Source Guard 121
Configuring ARP Inspection 123
Configuring Global and Port Settings for ARP Inspection 124
Configuring Static Bindings for ARP Inspection 125
Specifying Authentication Servers 126
Creating Trunk Groups 128
Configuring Static Trunks 129
Configuring LACP 132
Configuring the Spanning Tree Algorithm 135
Configuring Global Settings for STA 137
Configuring Multiple Spanning Trees 140
Configuring Spanning Tree Bridge Priorities 142
Configuring
STP/RSTP/CIST Interfaces 143
Configuring MIST Interfaces 147
IGMP Snooping 149
Configuring Global and Port-Related Settings for IGMP Snooping 149

C ONTENTS
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Configuring VLAN Settings for IGMP Snooping and Query 152
Configuring IGMP Filtering 153
MLD Snooping 154
Configuring Global and Port-Related Settings for MLD Snooping 155
Configuring VLAN Settings for MLD Snooping and Query 158
Configuring MLD Filtering 159
Multicast VLAN Registration 160
Link Layer Discovery Protocol 163
Configuring LLDP Timing and TLVs 163
Configuring LLDP-MED TLVs 166
Configuring the MAC Address Table 172
IEEE 802.1Q VLANs 174
Assigning Ports to VLANs 175
Configuring VLAN Attributes for Port Members 176
Configuring Private VLANs 178
Using Port Isolation 180
Managing VoIP Traffic 181
Configuring VoIP Traffic 181
Configuring Telephony OUI 183
Quality of Service 185
Configuring Port-Level Queue Settings 185
Configuring DSCP Remarking 187
Configuring QoS Control Lists 189
Configuring Rate Limiting 191
Configuring Storm Control 193
Configuring Port Mirroring 194
Configuring UPnP 195
5MONITORING THE SWITCH 197
Displaying Basic Information About the System 197
Displaying System Information 197
Displaying CPU Utilization 198
Displaying Log Messages 199
Displaying Log Details 200
Displaying Information About Ports 201
Displaying Port Status On the Front Panel 201
Displaying an Overview of Port Statistics 201