Manual

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Table Of Contents

Table of Contents
List of Figures
Preface
- How This Guide is Organized
- Document Conventions
- Where to Find Web-based Guides
- Contacting Allied Telesyn
- Management Software Updates
Chapter 1
Overview
- Management Overview
- Local Management Session
- Telnet Management Session
- Web Browser Management Session
- SNMP Management Session
- Management Access Levels
Section I
Basic Operations
- Chapter 2
- Starting a Local or Telnet Management Session
- Chapter 3
- Enhanced Stacking
- Chapter 4
- Basic Switch Parameters
- Chapter 5
- SNMPv1 and SNMPv2c Configuration
- Chapter 6
- Port Parameters
- Chapter 7
- MAC Address Table
- Chapter 8
- Port Trunking
- Chapter 9
- Port Mirroring
- Chapter 10
- Ethernet Statistics
  - Displaying Port Statistics
  - Clearing Port Counters
Section II
Advanced Operations
- Chapter 11
- File System
- Chapter 12
- File Downloads and Uploads
- Chapter 13
- Event Log
- Chapter 14
- Quality of Service
- Chapter 15
- IGMP Snooping
- Chapter 16
- Denial of Service Defense
  - Denial of Service Defense Overview
  - Enabling or Disabling Denial of Service Prevention
Section III
SNMPv3 Operations
- Chapter 17
- SNMPv3 Configuration
Section IV
Spanning Tree Protocols
- Chapter 18
- Spanning Tree and Rapid Spanning Tree Protocols
- Chapter 19
- Multiple Spanning Tree Protocol
Section V
Virtual LANs
- Chapter 20
- Tagged and Port-based Virtual LANs
- Chapter 21
- GARP VLAN Registration Protocol
- Chapter 22
- Multiple VLAN Modes
Section VI
Port Security
- Chapter 23
- MAC Address Security
- Chapter 24
- 802.1x Port-based Access Control
Section VII
Management Security
- Chapter 25
- Web Server
  - Web Server Overview
    - Supported Protocols
    - General Steps to Configuring the Web Server for Encryption
  - Configuring the Web Server
- Chapter 26
- Encryption Keys
- Chapter 27
- Public Key Infrastructure Certificates
- Chapter 28
- Secure Shell (SSH) Protocol
- Chapter 29
- RADIUS and TACACS+ Authentication Protocols
  - TACACS+ and RADIUS Overview
    - Guidelines
  - Configuring Authentication Protocol Settings
    - Displaying RADIUS Status and Settings
- Chapter 30
- Management Access Control List
Section VIII
Web Browser Management
- Chapter 31
- Starting a Web Browser Management Session
  - Starting a Web Browser Management Session
    - Browser Tools
  - Saving Your Parameter Changes
  - Quitting a Web Browser Management Session
- Chapter 32
- Enhanced Stacking
  - Setting a Switch’s Enhanced Stacking Status
  - Selecting a Switch in an Enhanced Stack
    - Returning to the Master Switch
  - Displaying the Enhanced Stacking Status
- Chapter 33
- Basic Switch Parameters
  - Configuring an IP Address and Switch Name
  - Activating the BOOTP and DHCP Client Software
  - Displaying System Information
  - Configuring the Manager and Operator Passwords
  - Rebooting a Switch
  - Pinging a Remote System
  - Returning the AT-S62 Software to the Factory Default Values
- Chapter 34
- SNMPv1 and SNMPv2c Community Strings
  - Enabling or Disabling SNMP Management
  - Creating a New SNMPv1 or SNMPv2c Community String
  - Modifying a Community String
  - Deleting a Community String
  - Displaying the SNMP Status and Community Strings
- Chapter 35
- Port Parameters
  - Configuring Port Parameters
  - Displaying Port Status and Statistics
- Chapter 36
- MAC Address Table
  - Displaying the MAC Address Table
  - Adding Static Unicast and Multicast MAC Addresses
  - Deleting Unicast and Multicast MAC Addresses
  - Changing the Aging Time
- Chapter 37
- Port Trunking
  - Creating a Port Trunk
  - Modifying a Port Trunk
  - Deleting a Port Trunk
  - Displaying the Port Trunks
- Chapter 38
- Port Mirroring
  - Creating a Port Mirror
  - Modifying or Disabling a Port Mirror
  - Deleting a Port Mirror
  - Displaying the Port Mirror
- Chapter 39
- File Downloads and Uploads
  - Downloading a File
  - Uploading a File
- Chapter 40
- Event Log
  - Enabling or Disabling the Event Log
  - Displaying Events
  - Saving the Event Log
  - Clearing the Event Log
- Chapter 41
- Quality of Service
  - Configuring CoS
  - Mapping CoS Priorities to Egress Queues
  - Configuring Egress Scheduling
  - Displaying the CoS Settings
  - Displaying QoS Scheduling
- Chapter 42
- IGMP Snooping
  - Configuring IGMP Snooping
  - Displaying a List of Host Nodes and Multicast Routers
- Chapter 43
- Denial of Service Defense
  - Configuring Denial of Service Attack Defense
  - Displaying the DoS Settings
- Chapter 44
- SNMPv3 Protocol
  - Configuring the SNMPv3 Protocol
  - Enabling the SNMP Protocol
  - Configuring the SNMPv3 User Table
  - Configuring the SNMPv3 View Table
  - Configuring the SNMPv3 Access Table
  - Configuring the SNMPv3 SecurityToGroup Table
  - Configuring the SNMPv3 Notify Table
  - Configuring the SNMPv3 Target Address Table
  - Configuring the SNMPv3 Target Parameters Table
  - Configuring the SNMPv3 Community Table
  - Displaying SNMPv3 Tables
- Chapter 45
- STP, RSTP, and MSTP
  - Enabling or Disabling Spanning Tree
  - Configuring STP
  - Configuring RSTP
  - Configuring MSTP
  - Displaying Spanning Tree Settings
- Chapter 46
- Virtual LANs
  - Creating a New Port-Based or Tagged VLAN
  - Modifying a Port-Based or Tagged VLAN
  - Deleting a Port-Based or Tagged VLAN
  - Displaying VLANs
  - Selecting a VLAN Mode
  - Specifying a Management VLAN
- Chapter 47
- GARP VLAN Registration Protocol
  - Configuring GVRP
  - Enabling or Disabling GVRP on a Port
  - Displaying the GVRP Settings
- Chapter 48
- MAC Address Security
  - Displaying MAC Address Security Levels
- Chapter 49
- 802.1x Port-based Access Control
  - Enabling and Disabling Port-based Access Control
  - Setting Port Roles
  - Configuring Authenticator Port Parameters
  - Configuring Supplicant Port Parameters
  - Displaying the Port-based Access Control Settings
- Chapter 50
- Secure Shell Protocol
  - Configuring the SSH Server
  - Displaying SSH Information
- Chapter 51
- Encryption Keys, PKI, and SSL
  - Displaying Encryption Keys
  - Displaying PKI Settings and Certificates
  - Displaying the SSL Settings
- Chapter 52
- RADIUS and TACACS+ Authentication Protocols
  - Configuring RADIUS and TACACS+
  - Displaying the RADIUS or TACSACS+ Settings
- Chapter 53
- Management Access Control List
  - Creating a Management ACL
  - Adding or Deleting an ACE
  - Displaying the Management ACL
Appendix A
- AT-S62 Default Settings
Appendix B
- SNMPv3 Configuration Examples
  - SNMPv3 Configuration Examples
Index
- Numerics
- A
- B
- C
- D
- E
- F
- G
- H
- I
- K
- L
- M
- N
- O
- P
- Q
- R
- S
- T
- U
- V
- W
- X

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Chapter 15

IGMP Snooping

This chapter explains how to activate and configure the Internet Group

Management Protocol (IGMP) snooping feature on the switch. Sections

in the chapter include:

❑ IGMP Snooping Overview on page 204

❑ Activating IGMP Snooping on page 206

❑ Displaying a List of Host Nodes on page 209

❑ Displaying a List of Multicast Routers on page 211