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Chapter 12 Port Rate Limit and Storm Control
ES-1528 User’s Guide
81
12.1.2 Broadcast Storm Control Setup
Broadcast storm control limits the number of broadcast, multicast and unknown unicast (also
referred to as Destination Lookup Failure or DLF) packets the switch receives per second on
the ports. When the maximum number of allowable broadcast, multicast and unknown unicast
packets is reached per second, the subsequent packets are discarded. Enable this feature to
reduce broadcast, multicast and unknown unicast packets in your network.
Click Rate > Storm Control in the navigation panel to display the screen as shown next.
Figure 44 Broadcast Storm Control
Burst Size The burst size specifies the maximum amount of traffic that can be allowed out the port
at any one instance. In the “Token Bucket” algorithm this is referred to as the size of
the bucket as this value limits the number of tokens that can accumulate in the bucket.
Apply Click this to save your changes to the switch.
Table 23 Rate Limit Configuration (continued)
LABEL DESCRIPTION
- User’s Guide 1
- About This User's Guide 3
- Document Conventions 4
- Icons Used in Figures 5
- Safety Warnings 6
- Safety Warnings 7
- Contents Overview 10
- ES-1528 User’s Guide 10
- Table of Contents 11
- List of Figures 17
- List of Tables 21
- List of Tables 23
- Introduction and 25
- Hardware Overview 25
- CHAPTER 1 27
- 1.1.2 Bridging Example 28
- CHAPTER 2 31
- CHAPTER 3 35
- 3.1.2 Mini-GBIC Slots 36
- 3.2 The RESET Button 37
- 3.3 Rear Panel 38
- 3.4 LEDs 38
- Chapter 3 Hardware Overview 39
- Table 2 LEDs (continued) 39
- Chapter 3 Hardware Overview 40
- Basic & Advanced 41
- Settings 41
- CHAPTER 4 43
- 4.3 The Status Screen 44
- 4.3.1 The LED Panel 45
- 4.3.2 The Navigation Panel 45
- 4.5 Switch Lockout 47
- 4.6 Resetting the Switch 47
- 4.8 Help 48
- CHAPTER 5 49
- 5.1.1 Configure IP Address 50
- 5.1.3 Backup Settings 51
- 5.1.4 Restore Settings 51
- 5.3 Firmware Upgrade 52
- Chapter 5 System 53
- Chapter 5 System 54
- CHAPTER 6 55
- 6.2 Port Configuration 56
- Chapter 6 Port Settings 57
- Chapter 6 Port Settings 58
- CHAPTER 7 59
- 7.3 Port Statistics 60
- CHAPTER 8 63
- 8.2 Static VLAN 64
- Chapter 8 VLAN 65
- Table 13 VLAN: Create VLAN 65
- Chapter 8 VLAN 66
- Figure 33 VLAN: Edit VLAN 66
- Table 14 VLAN: Edit VLAN 66
- CHAPTER 9 67
- Chapter 9 Trunking 68
- Figure 34 Trunk Setting 68
- CHAPTER 10 69
- Chapter 10 Mirroring 70
- CHAPTER 11 71
- 11.2 QoS Enhancement 72
- 11.3 Configuring QoS 72
- Chapter 11 QoS 73
- Table 17 QoS Setting 73
- 11.4 Advanced QoS Settings 74
- 11.4.2 DSCP Based QoS 75
- 11.4.4 DSCP Based QoS Screen 75
- 11.4.5 ToS Based QoS 76
- 11.4.6 IP Address Based QoS 77
- CHAPTER 12 79
- 12.1.1 Rate Limit Screen 80
- CHAPTER 13 83
- CHAPTER 14 87
- Chapter 14 Cable Diagnostics 88
- CHAPTER 15 89
- CHAPTER 16 93
- Chapter 16 Auto VoIP 94
- PART III 95
- CHAPTER 17 97
- 17.3 Logging - Add Server 98
- Chapter 17 Event Logging 100
- Chapter 17 Event Logging 101
- 17.5.1 Search Results 102
- CHAPTER 18 105
- 18.1.1 Supported MIBs 106
- 18.2 SNMP Group 107
- 18.2.1 SNMP Group - Create 108
- 18.3 SNMP User 109
- 18.3.1 SNMP User - Create 110
- 18.3.2 SNMP User - Modify 111
- 18.4 SNMP Community 112
- Chapter 18 SNMP 113
- 18.5 SNMP Notification 114
- 18.6 SNMP Trap Station 115
- Chapter 18 SNMP 116
- CHAPTER 19 119
- Chapter 19 RMON-Lite 120
- Chapter 19 RMON-Lite 121
- 19.4 RMON-Lite History MIB 122
- 19.5 RMON Alarm: Overview 126
- 19.6 RMON Event : Overview 128
- CHAPTER 20 133
- Chapter 20 Dynamic ARP 134
- Figure 84 Dynamic ARP 134
- Table 65 ARP Table 134
- Chapter 20 Dynamic ARP 135
- Table 66 ARP Table 135
- Table 67 ARP Table 136
- CHAPTER 21 137
- Chapter 21 Troubleshooting 138
- Figure 87 Pop-up Blocker 138
- Chapter 21 Troubleshooting 139
- Figure 88 Internet Options 139
- Figure 89 Internet Options 140
- Figure 91 Internet Options 141
- 21.2.1.3.1 JAVA (Sun) 143
- Appendices and 145
- APPENDIX A 147
- Table 70 Firmware Features 148
- APPENDIX B 151
- Subnet Masks 152
- Notation 153
- Subnetting 154
- Example: Four Subnets 155
- Example: Eight Subnets 156
- Subnet Planning 157
- Configuring IP Addresses 158
- APPENDIX C 159
- ZyXEL Limited Warranty 160
- Appendix C Legal Information 161
- Appendix C Legal Information 162
- APPENDIX D 163
- Appendix D Customer Support 164
- Appendix D Customer Support 165
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