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Maintenance, 11.1 System Monitor, 11.1.1 CPU Monitor

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Chapter 11 Maintenance Maintenance module, assembling the commonly used system tools to manage the switch, provides the convenient method to locate and solve the network problem. （1） System Monitor: Monitor the utilization status of the memory and the CPU of switch. （2） Log: View the configuration parameters of the switch and find out the errors via the Logs. （3） Cable Test: Test the connection status of the cable to locate and diagnose the trouble spot of the network. （4） Loopback: Test whether the ports of the switch and its peer device are available. （5） Network Diagnose: Test whether the destination device is reachable and detect the route hops from the switch to the destination device. 11.1 System Monitor System Monitor functions to display the utilization status of the memory and the CPU of switch via the data graph. The CPU utilization rate and the memory utilization rate should fluctuate stably around a specific value. If the CPU utilization rate or the memory utilization rate increases markedly, please detect whether the network is being attacked. The System Monitor function is implemented on the CPU Monitor and Memory Monitor pages. 11.1.1 CPU Monitor Choose the menu Maintenance→System Monitor→CPU Monitor to load the following page. Figure 11-1 CPU Monitor 117

Section	Page
Package Contents	8
Chapter 1 About this Guide	9
1.1 Intended Readers	9
1.2 Conventions	9
1.3 Overview of This Guide	9
Chapter 2 Introduction	12
2.1 Overview of the Switch	12
2.2 Main Features	12
2.3 Appearance Description	12
2.3.1 Front Panel	12
2.3.2 Rear Panel	14
Chapter 3 Login to the Switch	15
3.1 Login	15
3.2 Configuration	15
Chapter 4 System	17
4.1 System Info	17
4.1.1 System Summary	17
4.1.2 Device Description	19
4.1.3 System Time	20
4.1.4 Daylight Saving Time	20
4.1.5 System IP	22
4.2 User Manage	23
4.2.1 User Table	23
4.2.2 User Config	23
4.3 System Tools	25
4.3.1 Config Restore	25
4.3.2 Config Backup	25
4.3.3 Firmware Upgrade	26
4.3.4 System Reboot	27
4.3.5 System Reset	27
4.4 Access Security	27
Chapter 5 Switching	30
5.1 Port	30
5.1.1 Port Config	30
5.1.2 Port Mirror	31
5.1.3 Port Security	34
5.1.4 Port Isolation	36
5.2 LAG	37
5.2.1 LAG Table	37
5.2.2 Static LAG	39
5.3 Traffic Monitor	40
5.3.1 Traffic Summary	40
5.3.2 Traffic Statistics	41
5.4 MAC Address	43
5.4.1 Address Table	43
5.4.2 Static Address	45
5.4.3 Dynamic Address	46
5.4.4 Filtering Address	48
Chapter 6 VLAN	50
6.1 802.1Q VLAN	51
6.1.1 VLAN Config	53
6.1.2 Port Config	55
6.2 Application Example for 802.1Q VLAN	57
Chapter 7 Spanning Tree	59
7.1 STP Config	64
7.1.1 STP Config	64
7.1.2 STP Summary	66
7.2 Port Config	67
7.3 MSTP Instance	69
7.3.1 Region Config	69
7.3.2 Instance Config	70
7.3.3 Instance Port Config	71
7.4 STP Security	73
7.4.1 Port Protect	73
7.4.2 TC Protect	76
7.5 Application Example for STP Function	76
Chapter 8 Multicast	80
8.1 IGMP Snooping	82
8.1.1 Snooping Config	83
8.1.2 Port Config	84
8.1.3 VLAN Config	85
8.1.4 Multicast VLAN	87
8.2 Multicast IP	90
8.2.1 Multicast IP Table	90
8.2.2 Static Multicast IP	91
8.3 Multicast Filter	92
8.3.1 IP-Range	93
8.3.2 Port Filter	94
8.4 Packet Statistics	95
Chapter 9 QoS	97
9.1 DiffServ	100
9.1.1 Port Priority	100
9.1.2 802.1P Priority	101
9.1.3 DSCP Priority	102
9.1.4 Schedule Mode	104
9.2 Bandwidth Control	104
9.2.1 Rate Limit	105
9.2.2 Storm Control	106
Chapter 10 SNMP	108
10.1 SNMP Config	110
10.1.1 Global Config	110
10.1.2 SNMP View	111
10.1.3 SNMP Group	112
10.1.4 SNMP User	113
10.1.5 SNMP Community	115
10.2 Notification	117
10.3 RMON	119
10.3.1 History Control	120
10.3.2 Event Config	120
10.3.3 Alarm Config	121
Chapter 11 Maintenance	124
11.1 System Monitor	124
11.1.1 CPU Monitor	124
11.1.2 Memory Monitor	125
11.2 Log	125
11.2.1 Log Table	126
11.2.2 Local Log	127
11.2.3 Remote Log	127
11.2.4 Backup Log	128
11.3 Device Diagnose	129
11.3.1 Cable Test	129
11.3.2 Loopback	130
11.4 Network Diagnose	130
11.4.1 Ping	131
11.4.2 Tracert	131
Appendix A: Specifications	133
Appendix B: Configuring the PCs	134

Match case Limit results 1 per page

Chapter 11 Maintenance

Maintenance module, assembling the commonly used system tools to manage the switch,

provides the convenient method to locate and solve the network problem.

（

）

System Monitor: Monitor the utilization status of the memory and the CPU of switch.

（

）

Log: View the configuration parameters of the switch and find out the errors via the Logs.

（

）

Cable Test: Test the connection status of the cable to locate and diagnose the trouble spot

of the network.

（

）

Loopback: Test whether the ports of the switch and its peer device are available.

（

）

Network Diagnose: Test whether the destination device is reachable and detect the route

hops from the switch to the destination device.

11.1 System Monitor

System Monitor functions to display the utilization status of the memory and the CPU of switch via

the data graph. The CPU utilization rate and the memory utilization rate should fluctuate stably

around a specific value. If the CPU utilization rate or the memory utilization rate increases

markedly, please detect whether the network is being attacked.

The

System Monitor

function is implemented on the

CPU Monitor

and

Memory Monitor

pages.

11.1.1 CPU Monitor

Choose the menu

Maintenance

→

System Monitor

→

CPU Monitor

to load the following page.

Figure 11-1 CPU Monitor

117