R21xx-HP FlexFabric 11900 IP Multicast Configuration Guide

i
Contents
Multicast overview ······················································································································································· 1
Introduction to multicast ···················································································································································· 1
Information transmission techniques ······················································································································· 1
Multicast features ······················································································································································ 3
Common notations in multicast ······························································································································· 4
Multicast benefits and applications ························································································································ 4
Multicast models ································································································································································ 5
Multicast architecture ························································································································································ 5
Multicast addresses ·················································································································································· 6
Multicast protocols ··················································································································································· 9
Multicast packet forwarding mechanism ····················································································································· 12
Configuring IGMP snooping ····································································································································· 13
Overview ········································································································································································· 13
Basic IGMP snooping concepts ··························································································································· 13
How IGMP snooping works ································································································································· 15
Protocols and standards ······································································································································· 17
IGMP snooping configuration task list ························································································································· 17
Configuring basic IGMP snooping functions ·············································································································· 17
Enabling IGMP snooping ····································································································································· 18
Specifying the IGMP snooping version ··············································································································· 18
Setting the maximum number of IGMP snooping forwarding entries ······························································ 19
Configuring parameters for IGMP queries and responses ··············································································· 19
Configuring IGMP snooping port functions ················································································································· 20
Setting aging timers for dynamic ports ··············································································································· 20
Configuring static ports ········································································································································· 21
Enabling IGMP snooping fast-leave processing ································································································· 22
Configuring IGMP snooping policies ··························································································································· 23
Configuring a multicast group filter ····················································································································· 23
Enabling dropping unknown multicast data ······································································································· 23
Setting the maximum number of multicast groups on a port ············································································ 24
Enabling the multicast group replacement function ··························································································· 24
Displaying and maintaining IGMP snooping ·············································································································· 25
IGMP snooping configuration examples ····················································································································· 27
Group policy configuration example ·················································································································· 27
Static port configuration example ······················································································································· 29
Troubleshooting IGMP snooping ·································································································································· 32
Layer 2 multicast forwarding cannot function ···································································································· 32
Multicast group filter does not work ···················································································································· 32