H3C Technologies H3C SecPath F1000-E - Manual (Page 41)

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mode, and source list. Such an entry is a collection of members in the same multicast group on each
downstream interface.
A proxy device performs host functions on the upstream interface based on the database. It responds to
queries according to the information in the database or sends join/leave messages when the database
changes. On the other hand, the proxy device performs router functions on the downstream interfaces by
participating in the querier election, sending queries, and maintaining memberships based on the
reports.
Protocols and Standards
The following documents describe different IGMP versions:
• RFC 1112 Host Extensions for IP Multicasting
• RFC 2236 Internet Group Management Protocol, Version 2
• RFC 3376 Internet Group Management Protocol, Version 3
• RFC 4605 Internet Group Management Protocol (IGMP)/Multicast Listener Discovery (MLD)-Based
Multicast Forwarding ("IGMP/MLD Proxying")
IGMP Configuration Task List
Complete these tasks to configure IGMP:
Task Remarks
Enabling IGMP Required
Configuring IGMP Versions Optional
Configuring Static Joining Optional
Configuring a Multicast Group Filter Optional
Configuring Basic Functions of
IGMP
Configuring the Maximum Number of Multicast Groups
on an Interface
Optional
Configuring IGMP Message Options Optional
Configuring IGMP Query and Response Parameters Optional Adjusting IGMP Performance
Configuring IGMP Fast Leave Processing Optional
Enabling SSM Mapping Optional
Configuring IGMP SSM
Mapping
Configuring SSM Mappings Optional
Enabling IGMP Proxying Optional
Configuring IGMP Proxying
Configuring Multicast Forwarding on a Downstream
Interface
Optional
NOTE:
•
Configurations performed in IGMP view are effective on all interfaces, while configurations performed
in interface view are effective on the current interface only.
• If a feature is not configured for an interface in interface view, the global configuration performed in
IGMP view will apply to that interface. If a feature is configured in both IGMP view and interface view,
the configuration performed in interface view will be given priority.