HP FlexNetwork 7500 Series Configuration Manual page 3

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 ················································································································································ 4
Multicast architecture ········································································································································· 5
Multicast addresses ··································································································································· 5
Multicast protocols ····································································································································· 8
Multicast packet forwarding mechanism ·········································································································· 11
Configuring IGMP snooping ·········································································· 12
Overview ·························································································································································· 12
IGMP snooping ports ······························································································································· 12
How IGMP snooping works ······················································································································ 14
Protocols and standards ·························································································································· 15
General configuration restrictions and guidelines ···························································································· 15
IGMP snooping configuration task list ·············································································································· 16
Configuring basic IGMP snooping features ····································································································· 16
Enabling IGMP snooping ························································································································· 16
Specifying an IGMP snooping version ····································································································· 17
Setting the maximum number of IGMP snooping forwarding entries ······················································· 18
Setting the IGMP last member query interval ·························································································· 18
Configuring IGMP snooping port features ········································································································ 19
Setting aging timers for dynamic ports ····································································································· 19
Configuring static ports ···························································································································· 20
Configuring a port as a simulated member host ······················································································ 20
Enabling fast-leave processing ················································································································ 21
Disabling a port from becoming a dynamic router port ············································································ 21
Configuring the IGMP snooping querier ··········································································································· 22
Configuration prerequisites ······················································································································ 22
Enabling the IGMP snooping querier ······································································································· 22
Configuring parameters for IGMP general queries and responses ·························································· 23
Configuring parameters for IGMP messages ··································································································· 23
Configuration prerequisites ······················································································································ 24
Configuring source IP addresses for IGMP messages ············································································ 24
Setting the 802.1p priority for IGMP messages ······················································································· 25
Configuring IGMP snooping policies ················································································································ 25
Configuring a multicast group policy ········································································································ 25
Enabling multicast source port filtering ···································································································· 26
Enabling dropping unknown multicast data ······························································································ 27
Enabling IGMP report suppression ·········································································································· 27
Setting the maximum number of multicast groups on a port ···································································· 28
Enabling multicast group replacement ····································································································· 28
Displaying and maintaining IGMP snooping ···································································································· 29
IGMP snooping configuration examples ·········································································································· 30
Group policy and simulated joining configuration example ······································································ 30
Static port configuration example ············································································································· 32
IGMP snooping querier configuration example ························································································ 35
Troubleshooting IGMP snooping ····················································································································· 37
Layer 2 multicast forwarding cannot function ··························································································· 37
Multicast group policy does not work ······································································································· 38
Configuring PIM snooping ············································································· 39
Overview ·························································································································································· 39
Configuring PIM snooping ································································································································ 40
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