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TP-Link TL-SL3428 User Guide - Page 45

System > Network Security > Trafﬁc Control > Storm Control

UPC - 845973020491

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A Broadcast Storm is a result of an excessive amount of broadcast messages simultaneously transmitted across a network by a single port. Forwarded message responses are heaped onto the network, straining network resources or causing the network to time out. Storm control is enabled for all Gigabit ports by defining the packet type and the rate the packets are transmitted. The system measures the incoming Broadcast and Multicast frame rates separately on each port, and discards the frames when the rate exceeds a user-defined rate. The Storm Control Page provides fields for configuring broadcast storm control. To enable storm control for a port: 1. Click System > Network Security > Traffic Control > Storm Control. The Storm Control Page opens: Figure 51: Storm Control Page The Storm Control Page contains the following fields:  Port - Indicates the type of storm control which is enabled on the selected port. The possible field values are: - U, cast B, cast M - tbd - B, cast M, cast - tbd - B, cast - tbd  Enable Broadcast Control - Indicates if forwarding Broadcast packet types on the interface.  Broadcast Mode - Specifies the Broadcast mode currently enabled on the device. The possible field values are: - Unknown Unicast, Multicast & Broadcast - Counts Unicast, Multicast, and Broadcast traffic. - Multicast & Broadcast - Counts both Broadcast and Multicast traffic together. - SOHO Broadcast - Counts only the Broadcast traffic.  Broadcast Rate Threshold - Indicates the maximum rate (kilobytes per second) at which unknown packets are forwarded. The range is 0-1,000,000. The default value is zero. All values are rounded to the nearest 64 Kbps. If the field value is under 64 Kbps, the value is rounded up to 64 Kbps, with the exception of the value zero. 2. Click next to the port to configure. The Storm Control Settings Page opens: Figure 52: Storm Control Settings Page 3. Select the Port Storm Control Settings. 4. Click Enable Broadcast Control, and define the Rate Threshold. 5. Click . Storm control is enabled on the device for the selected port. 38

Section	Page
Preface	8
Guide Overview	8
Intended Audience	9
Section 1. Getting Started	10
1.1 Configuring the device to use TP-Link Embedded Web Interface	10
1.2 Starting the TP-Link Embedded Web Interface	10
1.3 Understanding the TP-Link Embedded Web Interface	11
1.3.1 Device Representation	12
1.3.2 Using the TP-Link Embedded Web Interface Management Buttons	12
1.4 Using Screen and Table Options	13
1.4.1 Adding Configuration Information	13
1.4.2 Modifying Configuration Information	13
1.5 Deleting Configuration Information	13
1.6 Resetting the Device	14
1.7 Logging Off from the Device	14
Section 2. Defining Device Information	15
Section 3. Setting the System Time	16
3.1 Configuring Daylight Savings Time	16
3.2 Configuring SNTP	19
3.2.1 SNTP Overview	19
3.2.1.1 Polling for Unicast Time Information	19
3.2.1.2 Polling for Anycast Time Information	19
3.2.1.3 Polling for Broadcast Time Information	19
3.2.2 Defining SNTP Global Settings	20
3.2.3 Configuring SNTP Authentication	20
3.2.4 Defining SNTP Servers	21
3.2.5 Defining SNTP Interface Settings	22
Section 4. Configuring System Logs	24
4.1 Defining General Log Properties	24
4.2 Viewing Memory Logs	25
4.3 Viewing Flash Logs	25
4.4 Defining System Log Servers	26
Section 5. Configuring Device Security	28
5.1 Configuring Management Security	28
5.1.1 Configuring Authentication Methods	28
5.1.1.1 Defining Access Profiles	28
5.1.1.2 Defining Profile Rules	30
5.1.1.3 Defining Authentication Profiles	31
5.1.1.4 Mapping Authentication Profiles	32
5.1.1.5 Defining TACACS+ Host Settings	34
5.1.1.6 Defining RADIUS Server Settings	35
5.1.2 Configuring Passwords	37
5.1.2.1 Defining Local Users	37
5.1.2.2 Defining Line Passwords	38
5.1.2.3 Defining Enable Passwords	38
5.2 Configuring Network Security	38
5.2.1 Network Security Overview	39
5.2.1.1 Port-Based Authentication	39
5.2.1.2 Advanced Port-Based Authentication	39
5.2.2 Defining Network Authentication Properties	39
5.2.2.1 Defining Port Authentication Properties	40
5.2.2.2 Configuring Multiple Hosts	41
5.2.2.3 Defining Authentication Hosts	42
5.2.3 Configuring Traffic Control	43
5.2.3.1 Managing Port Security	43
5.2.3.2 Enabling Storm Control	44
Section 6. Defining IP Addresses	46
6.1 Defining IP Addressing	46
6.1.1 Defining IP Addresses	46
6.1.2 Defining the Default Gateway	47
6.1.3 Defining DHCP Addresses	47
6.1.4 Defining ARP	48
6.2 Defining Domain Name System	49
6.2.1 Defining DNS Servers	49
6.2.2 Configuring Host Mapping	50
Section 7. Configuring Interfaces	52
7.1 Configuring Ports	52
7.2 Configuring LAGs	54
7.2.1 Defining LAG Members	54
7.2.2 Configuring LACP	55
7.3 Configuring VLANs	56
7.3.1 Defining VLAN Properties	56
7.3.2 Defining VLAN Membership	57
7.3.3 Defining VLAN Interface Settings	58
7.3.4 Configuring GARP	59
7.3.4.1 Defining GARP	59
7.3.5 Defining GVRP	60
Section 8. Defining the Forwarding Database	62
8.1 Configuring Static Addresses	62
8.2 Configuring Dynamic Forwarding Addresses	63
Section 9. Configuring the Spanning Tree Protocol	65
9.1 Configuring the Classic STP	65
9.1.1 Defining STP Properties	65
9.1.2 Defining STP Interface Settings	66
9.2 Configuring the Rapid STP	68
9.3 Configuring the Multiple STP	69
9.3.1 Defining MSTP Properties	69
9.3.2 Configuring MSTP Instances	70
9.3.3 Configuring MSTP VLAN Instances	71
9.3.4 Configuring MSTP Interface Settings	71
Section 10. Configuring Multicast Forwarding	73
10.1 Configuring Multicast Forwarding	73
10.2 Defining Multicast Bridging Groups	74
10.3 Defining Multicast Forward All Parameters	76
Section 11. Configuring SNMP Management	77
11.1 SNMP v1 and v2c	77
11.2 SNMP v3	77
11.3 Defining SNMP Security	77
11.3.1 Defining SNMP Global Parameters	78
11.3.2 Defining SNMP Views	78
11.3.3 Defining SNMP Group Profiles	79
11.3.4 Defining SNMP Group Members	80
11.3.5 Defining SNMP Communities	82
11.3.5.1 SNMP Communities Basic Table	82
11.3.5.2 SNMP Communities Advanced Table	82
11.4 Configuring SNMP Notification Settings	83
11.4.1 Defining SNMP Notification Properties	83
11.4.2 Defining Notification Filters	83
11.4.3 Defining Notification Receivers	84
11.4.3.1 SNMPv1,2c Notification Recipient	85
11.4.3.2 SNMPv3 Notification Recipient	85
Section 12. Configuring Quality of Service	87
12.1 Quality of Service Overview	87
12.1.1 Mapping to Queues	87
12.1.2 QoS Modes	88
12.1.2.1 Basic QoS Mode	89
12.1.2.2 Advanced QoS Mode	89
12.2 Enabling Quality of Service	89
12.2.1 Enabling Quality of Service	89
12.2.2 Defining Queues	90
12.3 Mapping Queues	91
12.3.1 Mapping CoS Values to Queues	91
12.3.2 Mapping QoS Values to Queues	91
Section 13. Managing System Files	93
13.1 Downloading System Files	93
13.1.1 Download Type	93
13.1.2 Firmware Download	94
13.1.3 Configuration Download	94
13.2 Uploading System Files	94
13.2.1 Upload Type	94
13.2.2 Software Image Upload	95
13.2.3 Configuration Upload	95
13.3 Activating Image Files	95
13.4 Copying System Files	95
Section 14. Performing Device Diagnostics	97
14.1 Configuring Port Mirroring	97
14.2 Viewing Integrated Cable Tests	98
14.3 Viewing Optical Transceivers	99
Section 15. Viewing Statistics	100
15.1 Viewing Interface Statistics	100
15.1.1 Viewing Device Interface Statistics	100
15.1.2 Viewing Etherlike Statistics	101
15.1.3 Viewing GVRP Statistics	102
15.1.4 Viewing EAP Statistics	103
15.2 Managing RMON Statistics	103
15.2.1 Viewing RMON Statistics	104
15.2.2 Configuring RMON History	105
15.2.2.1 Defining RMON History Control	105
15.2.2.2 Viewing the RMON History Table	106
15.2.3 Configuring RMON Events	107
15.2.3.1 Defining RMON Events Control	107
15.2.3.2 Viewing the RMON Events Logs	108
15.2.4 Defining RMON Alarms	108

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A Broadcast Storm is a result of an excessive amount of broadcast messages simultaneously transmitted across a network

by a single port. Forwarded message responses are heaped onto the network, straining network resources or causing the

network to time out. Storm control is enabled for all Gigabit ports by deﬁning the packet type and the rate the packets are

transmitted. The system measures the incoming Broadcast and Multicast frame rates separately on each port, and discards

the frames when the rate exceeds a user-deﬁned rate. The

Storm Control Page

provides ﬁelds for conﬁguring broadcast

storm control.

To enable storm control for a port:

Click

System > Network Security > Trafﬁc Control > Storm Control

. The

Storm Control Page

opens:

Figure 51: Storm Control Page

The

Storm Control Page

contains the following ﬁelds:

Port

— Indicates the type of storm control which is

enabled on the selected port. The possible ﬁeld values

are:

–

U, cast B, cast M

— tbd

–

B, cast M, cast

— tbd

–

B, cast

— tbd

Enable Broadcast Control

— Indicates if forwarding

Broadcast packet types on the interface.

Broadcast Mode

— Speciﬁes the Broadcast mode currently enabled on the device. The possible ﬁeld values are:

–

Unknown Unicast, Multicast & Broadcast

— Counts Unicast, Multicast, and Broadcast trafﬁc.

–

Multicast & Broadcast

— Counts both Broadcast and Multicast trafﬁc together.

–

SOHO Broadcast

— Counts only the Broadcast trafﬁc.

Broadcast Rate Threshold

— Indicates the maximum rate (kilobytes per second) at which unknown packets are

forwarded. The range is 0-1,000,000. The default value is zero. All values are rounded to the nearest 64 Kbps. If the ﬁeld

value is under 64 Kbps, the value is rounded up to 64 Kbps, with the exception of the value zero.

Click

next to the port to conﬁgure. The

Storm Control Settings Page

opens:

Figure 52: Storm Control Settings Page

Select the

Port Storm Control Settings

Click

Enable Broadcast Control

, and define the

Rate

Threshold

Click

. Storm control is enabled on the device

for the selected port.

