TP-Link TL-SG2424P TL-SG2424P V1 User Guide 1910010774 - Page 77

The following entries are displayed on this screen:



Global Config

STP:

Select Enable/Disable STP function globally on the switch.

Version:

Select the desired STP version on the switch.



STP: Spanning Tree Protocol.



RSTP: Rapid Spanning Tree Protocol.



MSTP: Multiple Spanning Tree Protocol.



Parameters Config

CIST Priority:

Enter a value from 0 to 61440 to specify the priority of the switch

for comparison in the CIST. CIST priority is an important criterion

on determining the root bridge. In the same condition, the switch

with the highest priority will be chosen as the root bridge. The

lower value has the higher priority. The default value is 32768 and

should be exact divisor of 4096.

Hello Time:

Enter a value from 1 to 10 in seconds to specify the interval to

send BPDU packets. It is used to test the links. 2*(Hello Time + 1)

≤

Max Age. The default value is 2 seconds.

Max Age:

Enter a value from 6 to 40 in seconds to specify the maximum

time the switch can wait without receiving a BPDU before

attempting to reconfigure. The default value is 20 seconds.

Forward Delay:

Enter a value from 4 to 30 in seconds to specify the time for the

port to transit its state after the network topology is changed.

2*(Forward Delay-1)

≥

Max Age. The default value is 15 seconds.

TxHold Count:

Enter a value from 1 to 20 to set the maximum number of BPDU

packets transmitted per Hello Time interval. The default value is

5pps.

Max Hops:

Enter a value from 1 to 40 to set the maximum number of hops

that occur in a specific region before the BPDU is discarded. The

default value is 20 hops.

Note:

1.

The forward delay parameter and the network diameter are correlated. A too small forward

delay parameter may result in temporary loops. A too large forward delay may cause a

network unable to resume the normal state in time. The default value is recommended.

2.

An adequate hello time parameter can enable the switch to discover the link failures occurred

in the network without occupying too much network resources. A too large hello time

parameter may result in normal links being regarded as invalid when packets drop occurred in

the links, which in turn result in spanning tree being regenerated. A too small hello time

parameter may result in duplicated configuration being sent frequently, which increases the

network load of the switches and wastes network resources. The default value is

recommended.

3.

A too small max age parameter may result in the switches regenerating spanning trees

frequently and cause network congestions to be falsely regarded as link problems. A too large

max age parameter result in the switches unable to find the link problems in time, which in

turn handicaps spanning trees being regenerated in time and makes the network less

adaptive. The default value is recommended.

69

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	13
2.1 Overview of the Switch	13
2.2 Main Features	13
2.3 Appearance Description	14
2.3.1 Front Panel	14
2.3.2 Rear Panel	15
Chapter 3 Login to the Switch	16
3.1 Login	16
3.2 Configuration	16
Chapter 4 System	18
4.1 System Info	18
4.1.1 System Summary	18
4.1.2 Device Description	20
4.1.3 System Time	20
4.1.4 Daylight Saving Time	21
4.1.5 System IP	23
4.2 User Management	24
4.2.1 User Table	24
4.2.2 User Config	24
4.3 System Tools	26
4.3.1 Config Restore	26
4.3.2 Config Backup	26
4.3.3 Firmware Upgrade	27
4.3.4 System Reboot	28
4.3.5 System Reset	28
4.4 Access Security	28
4.4.1 Access Control	29
4.4.2 SSL Config	30
4.4.3 SSH Config	31
Chapter 5 Switching	37
5.1 Port	37
5.1.1 Port Config	37
5.1.2 Port Mirror	38
5.1.3 Port Security	40
5.1.4 Port Isolation	42
5.1.5 Loopback Detection	43
5.2 LAG	44
5.2.1 LAG Table	45
5.2.2 Static LAG	46
5.2.3 LACP Config	47
5.3 Traffic Monitor	49
5.3.1 Traffic Summary	49
5.3.2 Traffic Statistics	50
5.4 MAC Address	52
5.4.1 Address Table	53
5.4.2 Static Address	54
5.4.3 Dynamic Address	55
5.4.4 Filtering Address	57
5.5 DHCP Filtering	58
Chapter 6 VLAN	62
6.1 802.1Q VLAN	63
6.1.1 VLAN Config	65
6.1.2 Port Config	67
6.2 Application Example for 802.1Q VLAN	69
Chapter 7 Spanning Tree	71
7.1 STP Config	76
7.1.1 STP Config	76
7.1.2 STP Summary	78
7.2 Port Config	78
7.3 MSTP Instance	80
7.3.1 Region Config	80
7.3.2 Instance Config	81
7.3.3 Instance Port Config	82
7.4 STP Security	84
7.4.1 Port Protect	84
7.4.2 TC Protect	87
7.5 Application Example for STP Function	87
Chapter 8 Multicast	91
8.1 IGMP Snooping	93
8.1.1 Snooping Config	94
8.1.2 Port Config	95
8.1.3 VLAN Config	96
8.1.4 Multicast VLAN	98
8.2 Multicast IP	101
8.2.1 Multicast IP Table	101
8.2.2 Static Multicast IP	102
8.3 Multicast Filter	103
8.3.1 IP-Range	103
8.3.2 Port Filter	104
8.4 Packet Statistics	106
Chapter 9 QoS	108
9.1 DiffServ	111
9.1.1 Port Priority	111
9.1.2 DSCP Priority	112
9.1.3 802.1P/CoS mapping	113
9.1.4 Schedule Mode	114
9.2 Bandwidth Control	115
9.2.1 Rate Limit	115
9.2.2 Storm Control	116
9.3 Voice VLAN	118
9.3.1 Global Config	120
9.3.2 Port Config	120
9.3.3 OUI Config	122
Chapter 10 PoE	124
10.1 PoE Config	124
10.1.1 PoE Config	125
10.1.2 PoE Profile	126
10.2 PoE Time-Range	127
10.2.1 Time-Range Summary	127
10.2.2 PoE Time-Range Create	128
10.2.3 PoE Holiday Config	129
Chapter 11 SNMP	130
11.1 SNMP Config	132
11.1.1 Global Config	132
11.1.2 SNMP View	133
11.1.3 SNMP Group	134
11.1.4 SNMP User	135
11.1.5 SNMP Community	137
11.2 Notification	139
11.3 RMON	141
11.3.1 History Control	142
11.3.2 Event Config	142
11.3.3 Alarm Config	143
Chapter 12 LLDP	146
12.1 Basic Config	150
12.1.1 Global Config	150
12.1.2 Port Config	151
12.2 Device Info	152
12.2.1 Local Info	152
12.2.2 Neighbor Info	153
12.3 Device Statistics	153
12.4 LLDP-MED	155
12.4.1 Global Config	156
12.4.2 Port Config	156
12.4.3 Local Info	158
12.4.4 Neighbor Info	159
Chapter 13 Maintenance	161
13.1 System Monitor	161
13.1.1 CPU Monitor	161
13.1.2 Memory Monitor	162
13.2 Log	162
13.2.1 Log Table	163
13.2.2 Local Log	164
13.2.3 Remote Log	165
13.2.4 Backup Log	165
13.3 Device Diagnostics	166
13.3.1 Cable Test	166
13.3.2 Loopback	167
13.4 Network Diagnostics	168
13.4.1 Ping	168
13.4.2 Tracert	168
Appendix A: Specifications	170
Appendix B: Configuring the PCs	171

TP-Link TL-SG2424P TL-SG2424P V1 User Guide 1910010774 - Page 77

Version, CIST Priority, Hello Time, Max Age, Forward Delay, TxHold Count, Max Hops

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