User's Manual
Table Of Contents
- 1. INTRODUCTION
 - 2. INSTALLATION
 - 3. SWITCH MANAGEMENT
 - 4. WEB CONFIGURATION
- 4.1 Main Web page
 - 4.2 System
- 4.2.1 Management
- 4.2.1.1 System Information
 - 4.2.1.2 IP Configuration
 - 4.2.1.3 IP Status
 - 4.2.1.4 Users Configuration
 - 4.2.1.5 Privilege Levels
 - 4.2.1.6 NTP Configuration
 - 4.2.1.6.1 System Time Correction Manually
 - 4.2.1.7 Time Configuration
 - 4.2.1.8 UPnP
 - 4.2.1.9 DHCP Relay
 - 4.2.1.10 DHCP Relay Statistics
 - 4.2.1.11 CPU Load
 - 4.2.1.12 System Log
 - 4.2.1.13 Detailed Log
 - 4.2.1.14 Remote Syslog
 - 4.2.1.15 SMTP Configuration
 - 4.2.1.16 Fault Alarm
 - 4.2.1.17 Digital Input/Output
 
 - 4.2.2 Simple Network Management Protocol
 - 4.2.3 RMON
 - 4.2.4 DHCP server
 - 4.2.5 Industrial Protocol
 - 4.2.6 Remote Management
 
 - 4.2.1 Management
 - 4.3 Switching
- 4.3.1 Port Management
 - 4.3.2 Link Aggregation
 - 4.3.3 VLAN
- 4.3.3.1 VLAN Overview
 - 4.3.3.2 IEEE 802.1Q VLAN
 - 4.3.3.3 VLAN Port Configuration
 - 4.3.3.4 VLAN Membership Status
 - 4.3.3.5 VLAN Port Status
 - 4.3.3.6 Private VLAN
 - 4.3.3.7 Port Isolation
 - 4.3.3.8 VLAN setting example:
 - 4.3.3.9 MAC-based VLAN
 - 4.3.3.10 IP Subnet-based VLAN Membership Configuration
 - 4.3.3.11 Protocol-based VLAN
 - 4.3.3.12 Protocol-based VLAN Membership
 
 - 4.3.4 Spanning Tree Protocol
 - 4.3.5 Multicast
 - 4.3.6 MLD Snooping
 - 4.3.7 MVR (Multicast VLAN Registration)
 - 4.3.8 LLDP
 - 4.3.9 MAC Address Table
 - 4.3.10 Loop Protection
 - 4.3.11 UDLD
 - 4.3.12 GVRP
 - 4.3.13 PTP
 - 4.3.14 Link OAM
 
 - 4.4 Quality of Service
 - 4.5 Security
 - 4.6 Power over Ethernet
 - 4.7 Ring
 - 4.8 ONVIF
 - 4.9 Maintenance
 
 - 5. SWITCH OPERATION
 - 6. TROUBLESHOOTING
 - APPENDIX A: Networking Connection
 - APPENDIX B : GLOSSARY
 
User’s Manual of IGS-5225 series 
266 
4.3.10 Loop Protection 
This chapter describes enabling loop protection function that provides loop protection to prevent broadcast loops in Industrial 
Managed Switch. 
4.3.10.1 Configuration 
This page allows the user to inspect the current Loop Protection configurations, and possibly change them as well as screen in 
Figure 4-3-10-1 appears. 
Figure 4-3-10-1: Loop Protection Configuration Page Screenshot 
The page includes the following fields: 
General Settings 
Object  Description 
•  Enable Loop 
Protection 
Controls whether loop protection is enabled (as a whole). 
Port Configuration 
Object  Description 
•  Port 
The switch port number of the port. 










