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Chapter 11 QoS

GS-1524/GS-1548 User’s Guide

You can configure the DSCP to IEEE 802.1p mapping to allow the Switch to

prioritize all traffic based on the incoming DSCP value according to the DiffServ to

IEEE 802.1p mapping table.

11.4.4 DSCP Based QoS Screen

You can configure the Switch to assign a IEEE 802.1p priority to packets coming

into the Switch with DSCPs assigned to them. Select DSCP Based QoS in the

QoS Enhancement Setting screen to view the following screen.

Figure 41 DSCP Based QoS

1 2 ... 68 69 70 71 72 73 74 75 76 77 78 ... 169 170

GS-1524 / GS-1548 1
About This User's Guide 3
Document Conventions 5
Icons Used in Figures 6
Safety Warnings 7
Contents Overview 10
GS-1524/GS-1548 User’s Guide 10
Table of Contents 11
Introduction and 17
Hardware Overview 17
CHAPTER 1 19
1.1.2 Bridging Example 20
CHAPTER 2 23
2.2.1.1 Precautions 24
CHAPTER 3 27
3.1.1 Ethernet Ports 28
3.1.2 Mini-GBIC Slots 28
3.2 LEDs 30
3.3 Rear Panel 31
3.4.1 Power Connector 32
Basic & Advanced 33
Settings 33
CHAPTER 4 35
4.3 The Status Screen 36
4.3.1 The LED Panel 37
4.3.2 The Navigation Panel 37
LINK DESCRIPTION 38
4.5 Switch Lockout 40
4.6 Resetting the Switch 40
4.8 Help 41
CHAPTER 5 43
5.1.1 Configure IP Address 44
5.1.3 Backup Settings 45
5.1.4 Restore Settings 46
5.3 Firmware Upgrade 47
CHAPTER 6 49
6.2 Port Configuration 50
Chapter 6 Port Settings 51
Chapter 6 Port Settings 52
CHAPTER 7 53
7.3 Port Statistics 54
CHAPTER 8 57
8.2 Static VLAN 58
Table 12 VLAN: VLAN Status 59
Figure 35 VLAN: Edit VLAN 60
Table 13 VLAN: Create VLAN 60
Table 14 VLAN: Edit VLAN 61
Chapter 8 VLAN 62
CHAPTER 9 63
9.2 Trunk Setting Screen 64
CHAPTER 10 65
Chapter 10 Mirroring 66
CHAPTER 11 67
11.2 QoS Enhancement 68
11.3 Configuring QoS 69
11.4 Advanced QoS Settings 70
11.4.1 Port Based QoS 71
11.4.2 DSCP Based QoS 72
11.4.4 DSCP Based QoS Screen 73
11.4.5 ToS Based QoS 74
11.4.6 IP Address Based QoS 75
CHAPTER 12 77
12.1.1 Rate Limit Screen 78
CHAPTER 13 83
CHAPTER 14 87
Chapter 14 Cable Diagnostics 88
CHAPTER 15 89
Table 29 DoS Attack Summary 90
CHAPTER 16 93
16.2 Auto VoIP Settings 94
PART III 95
CHAPTER 17 97
17.2 Logging Screen 98
17.3 Logging: Add Server 99
Figure 56 Logs: RAM/Flash 100
Table 35 Logs: RAM/Flash 100
Chapter 17 Event Logging 101
LABEL DESCRIPTION 101
Chapter 17 Event Logging 102
17.5.1 Search Results 103
CHAPTER 18 105
18.1.1 Supported MIBs 106
18.1.2 SNMP Traps 107
18.1.4 SNMP EngineID 107
18.2 SNMP Group 108
18.2.1 SNMP Group: Create 109
18.3 SNMP User 110
Figure 64 SNMP User 111
Table 44 SNMP User 111
18.3.1 SNMP User: Create 112
18.3.2 SNMP User: Modify 113
18.4 SNMP Community 114
18.5 SNMP Notification 116
18.6 SNMP Trap Station 117
Table 51 SNMP Trap Station 118
Chapter 18 SNMP 120
CHAPTER 19 121
19.4 RMON-Lite History MIB 124
19.5 RMON Alarm: Overview 129
Chapter 19 RMON-Lite 131
19.6 RMON Event: Overview 132
Chapter 19 RMON-Lite 136
CHAPTER 20 137
20.2 Enabling Dynamic ARP 138
Table 67 ARP Table 139
Table 68 ARP Table 140
CHAPTER 21 141
21.2 Switch Access and Login 142
Chapter 21 Troubleshooting 144
CHAPTER 22 145
Table 72 Firmware Features 148
Appendices and 151
APPENDIX A 153
Subnet Masks 154
Network Size 155
Notation 156
Subnetting 156
Example: Four Subnets 158
Table 77 Subnet 1 159
Table 78 Subnet 2 159
Table 79 Subnet 3 159
Table 80 Subnet 4 159
Example: Eight Subnets 160
Subnet Planning 160
Configuring IP Addresses 161
Private IP Addresses 162
APPENDIX B 163
FCC Warning 164
CE Mark Warning: 164
Warning: 164
Notices 164
ZyXEL Limited Warranty 165
Appendix B Legal Information 166

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