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D-Link DES-3028 Product Manual - Page 197

Traffic Trap Configuration, Traffic Control Settings

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DES-3028 DES-3028P DES-3028G DES-3052 DES-3052P Layer 2 Fast Ethernet Managed Switch The user may set the following parameters: Parameter Description Traffic Trap Configuration Traffic Trap Enable sending of Storm Trap messages when the type of action taken by the Traffic Control function in handling a Traffic Storm is one of the following:  None - Will send no Storm trap warning messages regardless of action taken by the Traffic Control mechanism.  Storm Occurred - Will send Storm Trap warning messages upon the occurrence of a Traffic Storm only.  Storm Cleared - Will send Storm Trap messages when a Traffic Storm has been cleared by the Switch only.  Both - Will send Storm Trap messages when a Traffic Storm has been both detected and cleared by the Switch. This function cannot be implemented in the Hardware mode. (When Drop is chosen in the Action field. Traffic Control Settings From...To Select the ports of this Switch to configure for Storm Control. Broadcast Enables or disable Broadcast Storm Control. Multicast Enables or disables Multicast Storm Control. Unicast Enables or disables Unknown Unicast Storm Control. Threshold Specifies the maximum rate per second (Kbps) that will trigger the Traffic Control function to commence. Action Select the method of traffic Control from the pull down menu. The choices are: Drop - Utilizes the hardware Traffic Control mechanism, which means the Switch's hardware will determine the Packet Storm based on the Threshold value stated and drop packets until the issue is resolved. Shut Down - Utilizes the Switch's software Traffic Control mechanism to determine the Packet Storm occurring. Once detected, the port will deny all incoming traffic to the port except STP BPDU packets, which are essential in keeping the Spanning Tree operational on the Switch. If the Countdown timer has expired and yet the Packet Storm continues, the port will be placed in rest mode and if no action is taken will enter auto-recovery mode after a five minute period. Choosing this option obligates the user to configure the Interval setting as well, which will provide packet count samplings from the Switch's chip to determine if a Packet Storm is occurring. Count Down The Count Down timer is set to determine the amount of time, in minutes, that the Switch will wait before shutting down the port that is experiencing a traffic storm. This parameter is only useful for ports configured as Shutdown in their Action field and therefore will not operate for Hardware based Traffic Control implementations. The possible time settings for this field are 0, 5-30 minutes. 0 denotes that the port will never shutdown. Interval The Interval will set the time between Multicast and Broadcast packet counts sent from the Switch's chip to the Traffic Control function. These packet counts are the determining factor in deciding when incoming packets exceed the Threshold value. The Interval may be set between 5 and 30 seconds with the default setting of 5 seconds. Click Apply to implement the settings made. NOTE: Traffic Control cannot be implemented on ports that are set for Link Aggregation (Port Trunking). 183

Section	Page
Table of Contents	3
Preface	9
Intended Readers	10
Typographical Conventions	10
Bold font	10
Notes, Notices, and Cautions	10
Safety Instructions	11
Safety Cautions	11
General Precautions for Rack-Mountable Products	12
Protecting Against Electrostatic Discharge	13
DES-3028/28P/28G/52/52P Switch Description	14
Features	14
Ports	14
LED Indicators	14
Front-Panel Description	14
Rear Panel Description	14
Side Panel Description	14
Installing SFP ports	14
DES-3028/28P/28G/52/52P	14
Features	14
Ports	16
LED Indicators	17
Front-Panel Description	19
DES-3028/DES-3028P	19
DES-3052P/DES-3052	19
DES-3028G	19
Rear Panel Description	20
Side Panel Description	20
Gigabit Combo Ports	21
Installing the SFP ports	22
Package Contents	23
Before You Connect to the Network	23
Installing the Switch without the Rack	23
Rack Installation	23
Power On	23
Package Contents	23
Before You Connect to the Network	23
Installing the Switch without the Rack	24
Installing the Switch in a Rack	24
Mounting the Switch in a Standard 19\	25
Power on AC Power	25
Power Failure	25
Switch to End Node	26
Switch to Hub or Switch	26
Connecting to Network Backbone or Server	26
Switch to End Node	26
Switch to Hub or Switch	27
Management Options	28
Web-based Management Interface	28
SNMP-Based Management	28
Managing User Accounts	28
Command Line Console Interface through the Serial Port	28
Connecting the Console Port (RS-232 DCE)	28
First Time Connecting to the Switch	28
Password Protection	28
SNMP Settings	28
IP Address Assignment	28
Management Options	28
Web-based Management Interface	28
SNMP-Based Management	28
Connecting the Console Port (RS-232 DCE)	28
First Time Connecting to the Switch	30
Password Protection	30
SNMP Settings	31
Traps	32
MIBs	32
IP Address Assignment	32
Introduction	35
Login to Web manager	35
Web-Based User Interface	35
Basic Setup	35
Reboot	35
Basic Switch Setup	35
Network Management	35
Switch Utilities	35
Network Monitoring	35
IGMP Snooping Status	35
Introduction	35
Login to Web Manager	35
Web-based User Interface	36
Areas of the User Interface	36
Web Pages	38
IP Address	39
Port Configuration	39
DHCP/BOOTP Relay	39
User Accounts	39
Cable Diagnostics	39
Port Mirroring	39
System Log Settings	39
Log Settings	39
SNTP Settings	39
MAC Notification Settings	39
TFTP Services	39
Multiple Image Services	39
Ping Test	39
Safeguard Engine	39
SNMP Manager	39
PoE System	39
Single IP Settings	39
Forwarding & Filtering	39
SMTP Service	39
Device Information	40
IP Address	42
Setting the Swith’s IP Address using the Console Interface	44
Port Configuration	45
Port Settings	45
Port Description	47
Port Error Disabled	47
DHCP/BOOTP Relay	49
DHCP/BOOTP Relay Global Settings	49
The Implementation of DHCP Information Option 82 in the DES-3028/28P/28G/52/52P switches	51
DHCP/BOOTP Relay Interface Settings	52
DHCP Local Relay Settings	52
User Accounts	54
Cable Diagnostics	56
Port Mirroring	58
System Log Settings	59
Log Settings	61
SNTP Settings	62
Time Settings	62
Time Zone and DST	63
MAC Notification Settings	65
TFTP Services	66
Multiple Image Services	67
Firmware Information	67
Config Firmware Image	67
Ping Test	68
Safeguard Engine	68
SNMP Manager	71
SNMP Settings	71
Traps	71
MIBs	71
SNMP Traps Settings	72
SNMP User Table	72
SNMP View Table	74
SNMP Group Table	75
SNMP Community Table Configuration	76
SNMP Host Table	77
SNMP Engine ID	78
PoE System	79
PoE System Configuration	79
PoE Port Configuration	80
Single IP Settings	82
The Upgrade to v1.6	83
SIM Settings	83
Topology	85
Tool Tips	87
Right-Click	88
Group Icon	88
Commander Switch Icon	89
Member Switch Icon	89
Candidate Switch Icon	89
Menu Bar	90
File	90
Group	90
Device	90
View	90
Help	91
Firmware Upgrade	91
Configuration Backup/Restore	91
Upload Log	92
Forwarding & Filtering	92
Unicast Forwarding	92
Multicast Forwarding	93
Multicast Filtering Mode	95
SMTP Service	96
SMTP Server Settings	97
SMTP Service	97
VLAN	99
QinQ	99
Trunking	99
IGMP Snooping	99
MLD Snooping	99
Spanning Tree	99
Loopback Detection	99
LLDP	99
VLANs	99
Notes about VLANs on the Switch	99
IEEE 802.1Q VLANs	99
802.1Q VLAN Tags	100
Tagging and Untagging	101
Ingress Filtering	101
Default VLANs	102
VLAN Segmentation	102
Asymmetric VLANs	103
VLAN and Trunk Groups	104
Static VLAN Entry	104
GVRP Settings	106
VLAN Trunk Settings	108
QinQ	110
Trunking	112
Link Aggregation	113
LACP Port Settings	113
IGMP Snooping	115
Router Ports Settings	117
IGMP Authentication	119
Dynamic IP Multicast Learning	121
ISM VLAN Settings	122
Restrictions and Provisos	122
IP Multicast Filter Profile Settings	124
Limited Multicast Range Settings	125
Max Multicast Group Settings	127
MLD Snooping	128
MLD Control Messages	128
MLD Snooping Settings	128
MLD Snooping Router Port Settings	130
Spanning Tree	131
802.1Q MSTP	131
802.1w Rapid Spanning Tree	132
Port Transition States	132
Edge Port	133
P2P Port	133
802.1D/802.1w/802.1s Compatibility	133
STP LoopBack Prevention	133
Setting the LoopBack Timer	133
Regulations and Restrictions for the LoopBack Detection Function	133
STP Bridge Global Settings	134
STP Port Settings	137
MST Configuration Identification	139
STP Instance Settings	141
MSTP Port Information	142
Loopback Detection Settings	144
LLDP	145
LLDP Global Settings	145
Basic LLDP Port Settings	147
802.1 Extension LLDP Port Settings	148
802.3 Extension LLDP Port Settings	150
LLDP Management Address Settings	152
LLDP Statistics	153
LLDP Management Address Table	154
LLDP Local Port Table	154
LLDP Remote Port Table	156
Port Bandwidth	157
802.1p Default Priority	157
802.1p User Priority	157
CoS Scheduling Mechanism	157
CoS Output Scheduling	157
Priority Settings	157
TOS Priority Settings	157
DSCP Priority Settings	157
Port Mapping Priority Settings	157
MAC Priority	157
Understanding IEEE 802.1p Priority	157
Advantages of CoS	157
Understanding CoS	158
Port Bandwidth	160
802.1p Default Priority	161
802.1p User Priority	163
CoS Scheduling Mechanism	163
CoS Output Scheduling	164
Priority Settings	165
TOS Priority Settings	167
DSCP Priority Settings	168
Port Mapping Priority Settings	169
MAC Priority	170
Time Range	171
Access Profile Table	171
CPU Interface Filtering	171
Time Range	171
Access Profile Table	171
CPU Interface Filtering	183
CPU Interface Filtering State	183
CPU Interface Filtering Profile Table	183
Traffic Control	195
Port Security	195
Port Lock Entries	195
IP-MAC-Port Binding	195
SSL	195
SSH	195
802.1X	195
Trusted Host	195
Access Authentication Control	195
Traffic Segmentation	195
DoS Attack Prevention	195
Traffic Control	195
Port Security	199
Port Lock Entries	200
IP-MAC-Port Binding	201
IMP Global Settings	201
IMP Port Settings	201
IMP Entry Settings	203
DHCP Snooping Entries	204
MAC Block List	204
SSL	205
Download Certificate	205
Ciphersuite	205
SSH	208
SSH Server Configuration	208
SSH Authentication Mode and Algorithm Settings	209
SSH User Authentication	211
802.1X	212
802.1X Port-Based and Host-Based Access Control	212
Authentication Server	213
Authenticator	213
Client	214
Authentication Process	214
Understanding 802.1X Port-based and Host-based Access Control	214
802.1X Port-based Access Control	215
802.1X Host-based Access Control	216
RADIUS Attributes Assignment	216
Guest VLANs	217
Limitations Using the Guest VLAN	218
802.1X Authenticator Settings	219
Local Users	222
802.1X Capability Settings	223
Configure 802.1X Guest VLAN	223
Initializing Ports for Port Based 802.1X	224
Initializing Ports for Host Based 802.1X	225
Reauthenticate Port(s) for Port Based 802.1X	226
Reauthenticate Port(s) for Host-based 802.1X	227
RADIUS Server	227
Trusted Host	228
Access Authentication Control	229
Authentication Policy and Parameter Settings	230
Application Authentication Settings	230
Authentication Server Group	231
Authentication Server Host	232
Login Method Lists	235
Enable Method Lists	236
Configure Local Enable Password	239
Enable Admin	239
Traffic Segmentation	240
DoS Attack Prevention	241
Port Access Control	246
CPU Utilization	246
Port Utilization	247
Packets	248
Received (RX)	249
UMB Cast (RX)	251
Transmitted (TX)	253
Packet Errors	255
Received (RX)	255
Transmitted (TX)	257
Packet Size	259
MAC Address	261
Switch Log	263
IGMP Snooping Group	264
Browse Router Port	265
VLAN Status	265
MLD Snooping Group	265
Browse MLD Snooping Router Port	266
Static ARP Settings	267
ARP-FDB	267
Gratuitous ARP Settings	269
Session Table	270
Port Access Control	270
RADIUS Authentication	270
RADIUS Accounting	272
Reset	273
Reboot System	274
Save Changes	274
Logout	275
LED indicators	279
Detailed Description	280
Detailed Description	280
Detailed Description	280
Standard Trap List	292
Proprietary Trap List	293
Proprietary Trap List (project dependent)	293
Configuration:	305
LIMITED WARRANTY	310
Copyright Statement: No part of this publication or documentation accompanying this product may be reproduced in any form or by any means or used to make any derivative such as translation, transformation, or adaptation without permission from D-Link Corporation/D-Link Systems, Inc., as stipulated by the United States Copyright Act of 1976 and any amendments thereto. Contents are subject to change without prior notice. Copyright 2004 by D-Link Corporation/D-Link Systems, Inc. All rights reserved.	313

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DES-3028 DES-3028P DES-3028G DES-3052 DES-3052P Layer 2 Fast Ethernet Managed Switch

The user may set the following parameters:

Parameter

Description

Traffic Trap Configuration

Traffic Trap

Enable sending of Storm Trap messages when the type of action taken by the Traffic Control

function in handling a Traffic Storm is one of the following:



None

– Will send no Storm trap warning messages regardless of action taken by the

Traffic Control mechanism.



Storm Occurred

– Will send Storm Trap warning messages upon the occurrence of

a Traffic Storm only.



Storm Cleared

– Will send Storm Trap messages when a Traffic Storm has been

cleared by the Switch only.



Both

– Will send Storm Trap messages when a Traffic Storm has been both

detected and cleared by the Switch.

This function cannot be implemented in the Hardware mode. (When

Drop

is chosen in the

Action

field.

Traffic Control Settings

From…To

Select the ports of this Switch to configure for Storm Control.

Broadcast

Enables or disable Broadcast Storm Control.

Multicast

Enables or disables Multicast Storm Control.

Unicast

Enables or disables Unknown Unicast Storm Control.

Threshold

Specifies the maximum rate per second (Kbps) that will trigger the Traffic Control function to

commence.

Action

Select the method of traffic Control from the pull down menu. The choices are:

Drop

– Utilizes the hardware Traffic Control mechanism, which means the Switch’s hardware will

determine the Packet Storm based on the Threshold value stated and drop packets until the issue

is resolved.

Shut Down

– Utilizes the Switch’s software Traffic Control mechanism to determine the Packet

Storm occurring. Once detected, the port will deny all incoming traffic to the port except STP

BPDU packets, which are essential in keeping the Spanning Tree operational on the Switch. If the

Countdown timer has expired and yet the Packet Storm continues, the port will be placed in rest

mode and if no action is taken will enter auto-recovery mode after a five minute period. Choosing

this option obligates the user to configure the Interval setting as well, which will provide packet

count samplings from the Switch’s chip to determine if a Packet Storm is occurring.

Count Down

The Count Down timer is set to determine the amount of time, in minutes, that the Switch will wait

before shutting down the port that is experiencing a traffic storm. This parameter is only useful for

ports configured as Shutdown in their Action field and therefore will not operate for Hardware

based Traffic Control implementations. The possible time settings for this field are

minutes.

denotes that the port will never shutdown.

Interval

The Interval will set the time between Multicast and Broadcast packet counts sent from the

Switch’s chip to the Traffic Control function. These packet counts are the determining factor in

deciding when incoming packets exceed the Threshold value. The Interval may be set between

and

seconds with the default setting of

seconds.

Click

Apply

to implement the settings made.

NOTE:

Traffic Control cannot be implemented on ports that are set for

Link Aggregation (Port Trunking).

183