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TP-Link T1500-28PCT TL-SL2428P T1500-28PCT V1 User Guide - Page 47

LAG, Web Refresh Interval, Port Select, Select, Status, Operation Mode, Recovery Mode, Loop Status

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Web Refresh Interval:  Port Config Port Select: Se le ct: Port: Status: Operation M ode: Recovery Mode: Loop Status: Block Status: LAG: Manual Recover: Set a web refresh interval between 3 and 100 seconds. By default, it's 3 seconds. Click the Select button to quick-select the corresponding port based on the port number you entered. Select the desired port for loopback detection configuration. It is multi-optional. Displays the port number. Enable or disable loopback detection function for the port. Select the mode how the switch processes the detected loops. • Alert: When a loop is detected, displays an alert. • Port based: When a loopback is detected, displays an alert and blocks the port. Select the mode how the blocked port recovers to normal status. • Auto: Block status can be automatically removed after recovery time. • Manual: Block status only can be removed manually. Displays the port status whether a loopback is detected. Displays the port status about block or unblock. Displays the LAG number the port belongs to. Manually remove the block status of selected ports. Note : 1. Recovery Mode is not selectable when Alert is chosen in Operation Mode. 2. Loopback Detection must coordinate with storm control. 5.2 LAG LAG (Link Aggregation Group) is to combine a number of ports together to make a single high-bandwidth data path, so as to implement the traffic load sharing among the member ports in the group and to enhance the connection reliability. For the member ports in an aggregation group, their basic configuration must be the same. The basic configuration includes STP, QoS, VLAN, port attributes, MAC Address Learning mode and other associated settings. The further explains are following:  If the ports, which are enabled for the 802.1Q VLAN, STP, QoS and Port Configuration (Speed and Flow Control), are in a LAG, their configurations should be the same.  The ports, which are enabled for the half-duplex, Port Security, Port Mirror and MAC Address Filtering, cannot be added to the LAG. If the LAG is needed, you are suggested to configure the LAG function here before configuring the other functions for the member ports. 39

Section	Page
Package Contents	9
Chapter 1 About this Guide	10
1.1 Intended Readers	10
1.2 Conventions	10
1.3 Overview of This Guide	10
Chapter 2 Introduction	14
2.1 Overview of the Switch	14
2.2 Main Features	14
2.3 Appearance Description	15
2.3.1 Front Panel	15
2.3.2 Rear Panel	17
Chapter 3 Login to the Switch	18
3.1 Login	18
3.2 Configuration	19
Chapter 4 System	20
4.1 System Info	20
4.1.1 System Summary	20
4.1.2 Device Description	22
4.1.3 System Time	22
4.1.4 Daylight Saving Time	23
4.1.5 System IP	24
4.2 User Management	26
4.2.1 User Table	26
4.2.2 User Config	26
4.3 System Tools	27
4.3.1 Config Restore	27
4.3.2 Config Backup	28
4.3.3 Firmware Upgrade	28
4.3.4 System Reboot	29
4.3.5 System Reset	29
4.4 Access Security	30
4.4.1 Access Control	30
4.4.2 SSL Config	31
4.4.3 SSH Config	33
Chapter 5 Switching	40
5.1 Port	40
5.1.1 Port Config	40
5.1.2 Port Mirror	41
5.1.3 Port Security	43
5.1.4 Port Isolation	45
5.1.5 Loopback Detection	46
5.2 LAG	47
5.2.1 LAG Table	48
5.2.2 Static LAG	49
5.2.3 LACP Config	50
5.3 Traffic Monitor	52
5.3.1 Traffic Summary	52
5.3.2 Traffic Statistics	53
5.4 MAC Address	54
5.4.1 Address Table	55
5.4.2 Static Address	56
5.4.3 Dynamic Address	57
5.4.4 Filtering Address	59
5.5 DHCP Filtering	60
Chapter 6 VLAN	64
6.1 802.1Q VLAN	65
6.1.1 VLAN Config	66
6.2 Application Example for 802.1Q VLAN	68
Chapter 7 Spanning Tree	70
7.1 STP Config	75
7.1.1 STP Config	75
7.1.2 STP Summary	77
7.2 Port Config	77
7.3 MSTP Instance	79
7.3.1 Region Config	79
7.3.2 Instance Config	80
7.3.3 Instance Port Config	81
7.4 STP Security	83
7.4.1 Port Protect	83
7.4.2 TC Protect	86
7.5 Application Example for STP Function	86
Chapter 8 Multicast	90
8.1 IGMP Snooping	92
8.1.1 Snooping Config	93
8.1.2 Port Config	94
8.1.3 VLAN Config	95
8.1.4 Multicast VLAN	97
8.2 Multicast IP	100
8.2.1 Multicast IP Table	100
8.2.2 Static Multicast IP	101
8.3 Multicast Filter	102
8.3.1 IP-Range	102
8.3.2 Port Filter	103
8.4 Packet Statistics	104
Chapter 9 QoS	106
9.1 DiffServ	109
9.1.1 Port Priority	109
9.1.2 802.1P/CoS Mapping	110
9.1.3 DSCP Priority	111
9.1.4 Schedule Mode	112
9.2 Bandwidth Control	113
9.2.1 Rate Limit	113
9.2.2 Storm Control	114
9.3 Voice VLAN	116
9.3.1 Global Config	118
9.3.2 Port Config	118
9.3.3 OUI Config	119
Chapter 10 PoE	122
10.1 PoE Config	122
10.1.1 PoE Config	123
10.1.2 PoE Profile	124
10.2 PoE Time-Range	125
10.2.1 Time-Range Summary	125
10.2.2 PoE Time-Range Create	126
10.2.3 PoE Holiday Config	127
Chapter 11 ACL	128
11.1 ACL Config	128
11.1.1 ACL Summary	128
11.1.2 ACL Create	128
11.1.3 MAC ACL	129
11.1.4 Standard-IP ACL	130
11.1.5 Extend-IP ACL	130
11.1.6 Combined ACL	131
11.2 Policy Config	132
11.2.1 Policy Summary	132
11.2.2 Policy Create	133
11.2.3 Action Create	133
11.3 Policy Binding	134
11.3.1 Binding Table	134
11.3.2 Port Binding	135
11.3.3 VLAN Binding	135
11.4 Application Example for ACL	136
Chapter 12 SNMP	139
12.1 SNMP Config	141
12.1.1 Global Config	141
12.1.2 SNMP View	142
12.1.3 SNMP Group	143
12.1.4 SNMP User	144
12.1.5 SNMP Community	146
12.2 Notification	148
12.3 RMON	149
12.3.1 History Control	150
12.3.2 Event Config	151
12.3.3 Alarm Config	151
Chapter 13 LLDP	154
13.1 Basic Config	158
13.1.1 Global Config	158
13.1.2 Port Config	159
13.2 Device Info	160
13.2.1 Local Info	160
13.2.2 Neighbor Info	161
13.3 Device Statistics	161
13.4 LLDP-MED	163
13.4.1 Global Config	164
13.4.2 Port Config	165
13.4.3 Local Info	166
13.4.4 Neighbor Info	167
Chapter 14 Maintenance	169
14.1 System Monitor	169
14.1.1 CPU Monitor	169
14.1.2 Memory Monitor	170
14.2 Log	170
14.2.1 Log Table	171
14.2.2 Local Log	171
14.2.3 Remote Log	172
14.2.4 Backup Log	173
14.3 Device Diagnostics	174
14.3.1 Cable Test	174
14.4 Network Diagnostics	175
14.4.1 Ping	175
14.4.2 Tracert	176
Appendix A: Specifications	177
Appendix B: Configuring the PCs	178

Match case Limit results 1 per page

Web Refresh Interval:

Set a web refresh interval between 3 and 100 seconds. By default,

it’s 3 seconds.



Port Config

Port Select:

Click the

Se le ct

button to quick-select the corresponding port

based on the port number you entered.

Select:

Select the desired port for loopback detection configuration. It is

multi-optional.

Port:

Displays the port number.

Status:

Enable or disable loopback detection function for the port.

Operation Mode:

Select the mode how the switch processes the detected loops.

•

Alert

When a loop is detected, displays an alert.

•

Port based: When a loopback is detected, displays an alert

and blocks the port.

Recovery Mode:

Select the mode how the blocked port recovers to normal status.

•

Auto: Block status can be automatically removed after

recovery time.

•

Manual: Block status only can be removed manually.

Loop Status:

Displays the port status whether a loopback is detected.

Block Status:

Displays the port status about block or unblock.

LAG:

Displays the LAG number the port belongs to.

Manual Recover:

Manually remove the block status of selected ports.

Note:

Recovery Mode is not selectable when Alert is chosen in Operation Mode.

Loopback Detection must coordinate with storm control.

5.2 LAG

LAG (Link Aggregation Group) is to combine a number of ports together to make a single

high-bandwidth data path, so as to implement the traffic load sharing among the member ports in

the group and to enhance the connection reliability.

For the member ports in an aggregation group, their basic configuration must be the same. The

basic configuration includes

STP

QoS

VLAN

port attributes

MAC Address Learning mode

and other associated settings. The further explains are following:



If the ports, which are enabled for the

802.1Q VLAN

STP

QoS

and

Port Configuration

(

Speed and Flow Control

), are in a LAG, their configurations should be the same.



The ports, which are enabled for the

half-duplex

Port Security

Port Mirror

and

M AC

Address Filtering

, cannot be added to the LAG.

If the LAG is needed, you are suggested to configure the LAG function here before configuring the

other functions for the member ports.