Operation Manual
Table Of Contents
- Package Contents
- Chapter 1 About This Guide
- Chapter 2 Introduction
- Chapter 3 Login to the Switch
- Chapter 4 System
- Chapter 5 Switching
- Chapter 6 VLAN
- Chapter 7 Spanning Tree
- Chapter 8 Ethernet OAM
- Chapter 9 DHCP
- Chapter 10 Multicast
- Chapter 11 QoS
- Chapter 12 ACL
- Chapter 13 Network Security
- Chapter 14 SNMP
- Chapter 15 LLDP
- Chapter 16 Cluster
- Chapter 17 Maintenance
- Chapter 18 System Maintenance via FTP
- Appendix A: Glossary

317
Figure 17-2 Memory Monitor
Click the Monitor button to enable the switch to monitor and display its Memory utilization rate
every four seconds.
17.2 Log
The Log system of switch can record, classify and manage the system information effectively,
providing powerful support for network administrator to monitor network operation and
diagnose malfunction.
The Logs of switch are classified into the following eight levels.
Severity
Level
Description
emergencies 0
The system is unusable.
alerts 1
Action must be taken immediately.
critical 2
Critical conditions
errors 3
Error conditions
warnings 4
Warnings conditions
notifications 5
Normal but significant conditions
informational 6
Informational messages