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CHAPTER 2
Configuring IGMP
Copyright © 2010, Juniper Networks, Inc.
IP hosts use Internet Group Management Protocol (IGMP) in IPv4 to report their multicast
group memberships to neighboring routers. Similarly, multicast routers, such as an E Series
router, use IGMP to discover which of their hosts belong to multicast groups.
This chapter describes how to configure IGMP for IP multicast on an E Series router; it
contains the following sections:
IGMP Overview on page 44
Platform Considerations on page 45
References on page 46
Before You Begin on page 46
Configuring Static and Dynamic IGMP Interfaces on page 46
Enabling IGMP on an Interface on page 48
Configuring IGMP Settings for an Interface on page 49
Specifying Multicast Groups on page 52
Assigning a Multicast Group to an Interface on page 53
Configuring Group Outgoing Interface Mapping on page 53
Configuring Access Node Control Protocol for IGMP on page 54
Configuring SSM Mapping on page 54
Limiting the Number of Accepted IGMP Groups on page 55
Including and Excluding Traffic on page 57
Configuring Explicit Host Tracking on page 58
Accepting IGMP Reports from Remote Subnetworks on page 59
Disabling and Removing IGMP on page 60
Monitoring IGMP on page 61
IGMP Proxy Overview on page 71
Configuring IGMP Proxy on page 72
Establishing the IGMP Proxy Baseline on page 74
Monitoring IGMP Proxy on page 74
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