Igmp Configuration; Igmp Overview; Igmp Versions; Introduction To Igmpv1 - HP 4800G Series Configuration Manual

1

IGMP Configuration

When configuring IGMP, go to the following sections for the information you are interested in:

IGMP Overview

IGMP Configuration Task List
IGMP Configuration Examples
Troubleshooting IGMP
The term "router" in this document refers to a router in a generic sense or a Layer 3 switch running an IP
routing protocol.
IGMP Overview
As a TCP/IP protocol responsible for IP multicast group member management, the Internet Group
Management Protocol (IGMP) is used by IP hosts to establish and maintain their multicast group
memberships to immediately neighboring multicast routers.

IGMP Versions

So far, there are three IGMP versions:
IGMPv1 (documented in RFC 1112)
IGMPv2 (documented in RFC 2236)
IGMPv3 (documented in RFC 3376)
All IGMP versions support the Any-Source Multicast (ASM) model. In addition to support of the ASM
model, IGMPv3 can be directly deployed to implement the Source-Specific Multicast (SSM) model,
while IGMPv1 and IGMPv2 need to work with the IGMP SSM mapping function to implement the SSM
model.
For more information about the ASM and SSM models, see Multicast Overview of the IP Multicast
Volume.

Introduction to IGMPv1

IGMPv1 manages multicast group memberships mainly based on the query and response mechanism.
1-1