ZyXEL Communications ES-2024A - Broadcast Storm Control Setup

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ES-2024A User’s Guide

Chapter 13 Broadcast Storm Control 89

CHAPTER 13

Broadcast Storm Control

This chapter introduces and shows you how to configure the broadcast storm control feature.

13.1 Overview

Broadcast storm control limits the number of broadcast frames that can be stored in the switch

buffer or sent out from the switch. Broadcast frames that arrive when the buffer is full are

discarded. Enable this feature to reduce broadcast traffic coming into your network.

13.2 Broadcast Storm Control Setup

Click Advanced Application, Broadcast Storm Control in the navigation panel to display

the screen as shown next.

Figure 42 Broadcast Storm Control

The following table describes the labels in this screen.

Main Page

Default Chapter2
- Copyright2
- Interference Statements and Warnings3
- Safety Warnings4
- Zyxel Limited Warranty5
- Customer Support6
- Table of Contents8
- List of Figures16
- List of Tables20
- Preface22
Chapter 1 Getting to Know Your Switch24
- Introduction24
- Software Features24
  - Dhcp Client24
  - Port Mirroring25
- Hardware Features26
- Applications26
Chapter 2 Hardware Installation and Connection30
- Freestanding Installation30
- Figure 6 Attaching Rubber Feet30
- Mounting the Switch on a Rack31
Chapter 3 Hardware Overview34
- Front Panel Connection34
- Rear Panel37
- Front Panel Leds38
- Table 2 Front Panel Leds38
Chapter 4 The Web Configurator40
- Introduction40
- System Login40
- Figure 15 Web Configurator: Login40
- The Status Screen41
- Switch Lockout45
- Resetting the Switch45
  - Reload the Factory-Default Configuration File45
  - Figure 17 Change Administrator Login Password45
- Logging out of the Web Configurator46
- Figure 18 Resetting the Switch: Via the Console Port46
- Help47
- Figure 19 Web Configurator: Logout Screen47
Chapter 5 Initial Setup Example48
- Overview48
Chapter 6 System Status and Port Statistics52
- Overview52
- Port Status Summary52
Chapter 7 Basic Setting56
- Overview56
- System Information56
- Figure 25 System Info56
- Table 8 System Info56
- General Setup57
- Figure 26 General Setup57
- Table 9 General Setup57
- Introduction to Vlans58
- IGMP Snooping59
- Switch Setup Screen59
- Figure 27 Switch Setup60
- Table 10 Switch Setup60
- IP Setup61
- Port Setup63
- Figure 29 Port Setup64
- Table 12 Port Setup64
Chapter 8 VLAN66
- Introduction to IEEE 802.1Q Tagged VLAN66
  - Forwarding Tagged and Untagged Frames66
- Automatic VLAN Registration67
- Port VLAN Trunking68
- Select the VLAN Type68
- Figure 30 Port VLAN Trunking68
- Static VLAN69
- Port-Based VLAN Setup73
Chapter 9 Static MAC Forwarding78
- Overview78
- Configuring Static MAC Forwarding78
- Figure 37 Static MAC Forwarding78
- Table 18 Static MAC Forwarding79
Chapter 10 Filtering80
- Overview80
- Configure a Filtering Rule80
- Figure 38 Filtering80
- Table 19 Filtering80
Chapter 11 Spanning Tree Protocol82
- Overview82
- STP Status83
- Table 21 STP Port States83
- Figure 39 Spanning Tree Protocol: Status84
- Table 22 Spanning Tree Protocol: Status84
- Configure STP85
- Figure 40 Spanning Tree Protocol: Configuration85
- Table 23 Spanning Tree Protocol: Configuration85
Chapter 12 Bandwidth Control88
- Bandwidth Control Setup88
- Figure 41 Bandwidth Control88
- Table 24 Bandwidth Control88
Chapter 13 Broadcast Storm Control90
- Overview90
- Broadcast Storm Control Setup90
- Figure 42 Broadcast Storm Control90
- Table 25 Broadcast Storm Control91
Chapter 14 Mirroring92
- Overview92
- Port Mirroring Setup92
- Figure 43 Mirroring92
- Table 26 Mirroring93
Chapter 15 Link Aggregation94
- Overview94
- Dynamic Link Aggregation94
  - Link Aggregation ID95
- Link Aggregation Status95
- Figure 44 Link Aggregation Control Protocol Status95
- Table 27 Link Aggregation ID: Local Switch95
- Table 28 Link Aggregation ID: Peer Switch95
- Link Aggregation Setup96
- Table 29 Link Aggregation Control Protocol Status96
- Figure 45 Link Aggregation: Configuration97
- Table 30 Link Aggregation Control Protocol: Configuration97
Chapter 16 Port Authentication100
- Overview100
  - Radius100
- Port Authentication Configuration100
Chapter 17 Port Security104
- Overview104
- Port Security Setup104
- Figure 50 Port Security104
- Table 33 Port Security105
Chapter 18 Queuing Method106
- Overview106
- Configuring Queuing Method107
- Figure 51 Queuing Method107
- Table 35 Queuing Method107
Chapter 19 Static Route108
- Configuring Static Route108
- Figure 52 Static Routing108
- Table 36 Static Routing108
Chapter 20 Differentiated Services110
- Overview110
- Activating Diffserv111
- Figure 54 Diffserv Network Example111
- Figure 55 Diffserv111
- Table 37 Diffserv111
- DSCP-To-Ieee802.1P Priority Mapping112
Chapter 21 Maintenance114
- The Maintenance Screen114
- Figure 57 Maintenance114
- Table 40 Maintenance114
- Firmware Upgrade115
- Restore a Configuration File115
- Figure 58 Firmware Upgrade115
- Figure 59 Restore Configuration115
- Backing up a Configuration File116
- Load Factory Defaults116
- Figure 60 Backup Configuration116
- Figure 61 Load Factory Default: Conformation116
- Reboot System117
- FTP Command Line117
Chapter 22 Access Control120
- Overview120
- The Access Control Main Screen120
- Figure 65 Console Port Priority120
- Figure 66 Access Control120
- Table 42 Access Control Overview120
- About SNMP121
  - Figure 67 SNMP Management Model121
  - Table 43 SNMP Commands121
  - Configuring SNMP122
  - SNMP Traps122
  - Supported Mibs122
  - Table 44 SNMP Traps122
- Setting up Login Accounts123
- Figure 68 Access Control: SNMP123
- Table 45 Access Control: SNMP123
- SSH Overview124
- Figure 69 Access Control: Logins124
- Table 46 Access Control: Logins124
- How SSH Works125
- Figure 70 SSH Communication Example125
- Figure 71 How SSH Works125
- SSH Implementation on the Switch126
  - Requirements for Using SSH126
  - SSH Login Example126
- Introduction to HTTPS127
- Figure 72 SSH Login Example127
- HTTPS Example128
  - Internet Explorer Warning Messages128
  - Figure 73 HTTPS Implementation128
  - Netscape Navigator Warning Messages129
  - Figure 74 Security Alert Dialog Box (Internet Explorer)129
  - Figure 75 Security Certificate 1 (Netscape)129
  - The Main Screen130
  - Figure 76 Security Certificate 2 (Netscape)130
  - Figure 77 Login Screen (Internet Explorer)131
  - Figure 78 Login Screen (Netscape)131
- Service Port Access Control132
- Remote Management132
- Figure 79 Access Control: Service Access Control132
- Table 47 Access Control: Service Access Control132
- Figure 80 Access Control: Remote Management133
- Table 48 Access Control: Remote Management133
Chapter 23 Diagnostic134
- Diagnostic134
- Figure 81 Diagnostic134
- Table 49 Diagnostic134
Chapter 24 Cluster Management136
- Overview136
- Figure 82 Clustering Application Example136
- Table 50 Zyxel Clustering Management Specifications136
- Cluster Management Status137
- Configuring Cluster Management139
- Figure 85 Example: Uploading Firmware to a Cluster Member Switch139
- Table 52 FTP Upload to Cluster Member Example139
- Figure 86 Clustering Management Configuration140
- Table 53 Clustering Management Configuration140
Chapter 25 MAC Table142
- Overview142
- Figure 87 MAC Table Flowchart142
- Viewing the MAC Table143
- Figure 88 MAC Table143
- Table 54 MAC Table143
Chapter 26 ARP Table144
- Overview144
  - How ARP Works144
- Viewing the ARP Table144
- Figure 89 ARP Table145
- Table 55 ARP Table145
Chapter 27 Introducing the Commands146
- Overview146
  - Switch Configuration File146
- Accessing the CLI146
- The Login Screen148
- Figure 91 SSH Login Example148
- Figure 92 CLI Login148
- Command Syntax Conventions149
- Getting Help149
- Command Modes151
- Figure 95 CLI Help: Detailed Command Information: Example 1151
- Figure 96 CLI: Help: Detailed Command Information: Example 2151
- Using Command History152
- Saving Your Configuration152
  - Logging out152
- Command Summary152
Chapter 28 Command Examples168
- Overview168
- Show Commands168
- Ping171
- Traceroute171
- Figure 103 Show Mac Address-Table Command Example171
- Figure 104 Ping Command Example171
- Enabling RSTP172
- Configuration File Maintenance172
- No Command Examples173
- Spq176
- Wrr176
- Figure 114 no Ssh Command Example176
- Figure 115 Spq Command Example176
- Interface Commands177
Chapter 29 IEEE 802.1Q Tagged VLAN Commands184
- IEEE 802.1Q Tagged VLAN Overview184
- VLAN Databases184
  - Static Entries (SVLAN Table)184
  - Dynamic Entries (DVLAN Table)185
- Configuring Tagged VLAN185
- Figure 127 Tagged VLAN Configuration and Activation Example185
- Global VLAN1Q Tagged VLAN Configuration Commands186
- Port VLAN Commands188
- Enable VLAN191
- Figure 137 no Vlan Command Example191
- Disable VLAN192
- Show VLAN Setting192
- Figure 138 Show Vlan Command Example192
Chapter 30 Troubleshooting194
- Problems Starting up the Switch194
- Problems Accessing the Switch194
- Problems with the Password202
- Figure 146 Java (Sun)202
- Table 63 Troubleshooting the Password202
Appendix A204
- Product Specifications204
- Table 64 General Product Specifications204
- Table 65 Management Specifications205
- Table 66 Physical and Environmental Specifications205
- Table 67 Classes of IP Addresses208
- Ip Subnetting208
Appendix Bip Subnetting209
- Table 68 Allowed IP Address Range by Class209
- Table 69 "Natural" Masks209
- Subnet Masks209
- Table 70 Alternative Subnet Mask Notation210
- Table 71 Two Subnets Example210
- Table 72 Subnet 1211
- Table 73 Subnet 2211
- Table 74 Subnet 1212
- Table 75 Subnet 2212
- Table 76 Subnet 3212
- Table 77 Subnet 4213
- Table 78 Eight Subnets213
- Table 79 Class C Subnet Planning213
- Table 80 Class B Subnet Planning214
- Index216

ZyXEL Communications ES-2024A - Broadcast Storm Control Setup

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