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CoS Services, Strict Priority, Weighted Round Robin

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D-Link DES-3010FA/GA User Guide CoS Services After packets are assigned to a specific egress queue, CoS services can be assigned to the queue. Egress queues are configured with a scheduling scheme by one of the following methods: • Strict Priority - Ensures that time-sensitive applications are always forwarded. Strict Priority (SP) allows the prioritization of mission-critical, time-sensitive traffic over less time-sensitive applications. For example, under SP, voice over IP (VoIP) traffic can be prioritized so that it is forwarded before FTP or e-mail (SMTP) traffic. • Weighted Round Robin - Ensures that a single application does not dominate the device forwarding capacity. Weighted Round Robin (WRR) forwards entire queues in a round robin order. All queues can participate in WRR, expect SP queues. SP queues are serviced before WRR queues. If the traffic flow is minimal, and SP queues do not occupy the whole bandwidth allocated to a port, the WRR queues can share the bandwidth with the SP queues. This ensures that the remaining bandwidth is distributed according to the weight ratio. If WRR is selected, the following weights are assigned to the queues: 1, 2, 4, 8. The Basic Setup > Quality of Service tab provides links to the following topics: • General Settings • Queue Mapping Page 184

Section	Page
Preface	7
D-Link DES 3010FA/GA Installation Guide	10
Section 1. Device Description	11
Viewing the Device	12
DES-3010FA Front Panel	12
DES-3010GA Front Panel	12
Ports Description	14
10/100Base-TX Fast Ethernet Ports	14
1000Base-T Gigabit Ethernet Ports	14
100Base-FX Fiber Ports	14
SFP Port	14
DB-9 Console Port	15
Cable Specifications	16
LED Defiitions	17
Port LEDs	17
Power LED	20
Console LED	20
Cable, Port, and Pinout Information	21
Pin Connections for the 10/100/1000 Ethernet Interface	21
Physical Dimensions	22
Section 2. Mounting Device	23
Preparing for Installation	24
Installation Precautions	24
Site Requirements	24
Unpacking	25
Installing the Device	26
Desktop or Shelf Installation	26
Rack Installation	26
Wall Installation	29
Connecting the Device	30
Connecting the Switch to a Terminal	30
AC Power Connection	31
Section 3. Starting and Configuring the Device	32
Configuring the Terminal	33
Installation Procedure	33
Device Port Default Settings	33
Booting the Device	34
Configuration Overview	35
Initial Configuration	35
Advanced Configuration	40
Receiving an IP Address from a DHCP Server	40
Receiving an IP Address from a BOOTP Server	40
Security Management and Password Configuration	41
Startup Procedures	44
Startup Menu Procedures	44
Software Download and Reboot	45
D-Link DES 3010FA/GA EWS User Guide	49
Section 4. Getting Started	50
Starting the D-Link Embedded Web Interface	51
Understanding the D-Link Embedded Web Interface	52
Device Representation	54
Using the D-Link Embedded Web Interface Management Buttons	54
Using Screen and Table Options	55
Adding Configuration Information	55
Modifying Configuration Information	55
Deleting Configuration Information	56
Resetting the Device	57
Logging off from the Device	59
Section 5. Managing Device Information	60
Section 6. Configuring Device Security	62
Configuring Management Security	63
Configuring Authentication Methods	63
Configuring Passwords	80
Configuring Network Security	84
Network Security Overview	84
Defining Network Authentication Properties	85
Defining Port Authentication	87
Configuring Traffic Control	93
Section 7. Configuring Ports	98
Viewing Port Properties	101
Section 8. Aggregating Ports	103
Aggregating Ports	104
Configuring LACP	106
Section 9. Configuring VLANs	108
Defining VLAN Properties	109
Defining VLAN Membership	111
Defining VLAN Interface Settings	112
Defining Private VLANs	114
Configuring GARP	117
Defining GARP	117
Defining GVRP	119
Section 10. Configuring IP Information	121
Configuring IP Interfaces	121
Defining IP Addresses	122
Defining Default Gateways	125
Configuring DHCP	126
Configuring ARP	128
Configuring Domain Name Servers	130
Defining DNS Servers	131
Defining DNS Host Mapping	133
Section 11. Defining the Forwarding Database	135
Defining Static Forwarding Database Entries	136
Defining Dynamic Forwarding Database Entries	138
Section 12. Configuring Spanning Tree	140
Defining Classic Spanning Tree	141
Defining STP on Interfaces	143
Defining Rapid Spanning Tree	146
Defining Multiple Spanning Tree	149
Defining MSTP Instance Settings	149
Defining MSTP Interface Settings	152
Section 13. Configuring Multicast Forwarding	155
Defining IGMP Snooping	156
Defining Multicast Bridging Groups	158
Defining Multicast Forward All Settings	160
Section 14. Configuring SNMP	162
SNMP v1 and v2c	162
SNMP v3	162
Configuring SNMP Security	163
Defining SNMP Security	163
Defining SNMP Views	165
Defining SNMP Group Profiles	167
Defining SNMP Group Members	170
Defining SNMP Communities	173
Configuring SNMP Notifications	176
Defining SNMP Notification Global Parameters	177
Defining SNMP Notification Filters	178
Defining SNMP Notification Recipients	180
Section 15. Configuring Quality of Service	184
VPT Classification Information	184
CoS Services	185
Configuring Quality of Service General Settings	186
Defining QoS Settings	186
Defining Bandwidth Settings	188
Modifying QoS Interface Settings	189
Defining Queue Settings	191
Mapping QoS Queues	192
Mapping CoS Values to Queues	192
Mapping DSCP Values to Queues	193
Section 16. Managing System Files	194
File Management Overview	195
Downloading System Files	196
Firmware Download	196
Configuration Download	197
Uploading System Files	198
Upload Type	198
Software Image Upload	199
Configuration Upload	199
Copying Files	200
Restoring the Default Configuration File	200
Section 17. Managing System Logs	201
Enabling System Logs	202
Viewing the Device Memory Logs	204
Clearing Device Memory Logs	204
Viewing the FLASH Logs	205
Clearing FLASH Logs	205
Defining Servers Log Parameters	206
Section 18. Managing Device Diagnostics	207
Configuring Port Mirroring	208
Viewing Integrated Cable Tests	210
Viewing Optical Transceivers	211
Viewing the CPU Utilization	212
Section 19. Configuring System Time	213
Configuring Daylight Savings Time	214
Configuring SNTP	218
Polling for Unicast Time Information	218
Polling for Anycast Time Information	218
Broadcast Time Information	218
Defining SNTP Global Settings	220
Defining SNTP Authentication	222
Defining SNTP Servers	224
Defining SNTP Interface Settings	226
Section 20. Viewing Statistics	228
Viewing Interface Statistics	228
Viewing Device Interface Statistics	229
Resetting Interface Statistics Counters	230
Viewing Etherlike Statistics	230
Resetting Etherlike Statistics Counters	231
Viewing GVRP Statistics	232
Resetting GVRP Statistics Counters	233
Viewing EAP Statistics	233
Managing RMON Statistics	234
Viewing RMON Statistics	235
Resetting RMON Statistics Counters	236
Configuring RMON History	237
Defining RMON Alarms	244
Troubleshooting	246
Problem Management	247
Troubleshooting Solutions	247
Contacting D-Link Technical Support	250
Warranty	277
Product Registration	280

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D-Link DES-3010FA/GA User Guide

Page 184

CoS Services

After packets are assigned to a specific egress queue, CoS services can be assigned to the queue. Egress

queues are configured with a scheduling scheme by one of the following methods:

•

Strict Priority

— Ensures that time-sensitive applications are always forwarded. Strict Priority (SP) allows

the prioritization of mission-critical, time-sensitive traffic over less time-sensitive applications.

For example, under SP, voice over IP (VoIP) traffic can be prioritized so that it is forwarded before FTP or

e-mail (SMTP) traffic.

•

Weighted Round Robin

— Ensures that a single application does not dominate the device forwarding

capacity. Weighted Round Robin (WRR) forwards entire queues in a round robin order. All queues can partic-

ipate in WRR, expect SP queues. SP queues are serviced before WRR queues. If the traffic flow is minimal,

and SP queues do not occupy the whole bandwidth allocated to a port, the WRR queues can share the band-

width with the SP queues. This ensures that the remaining bandwidth is distributed according to the weight

ratio. If WRR is selected, the following weights are assigned to the queues: 1, 2, 4, 8.

The

Basic Setup > Quality of Service

tab provides links to the following topics:

•

General Settings

•

Queue Mapping