CHAPTER 1
Configuring IPv4 Multicast
IPv4 multicast enables a device to send packets to a group of hosts rather than to a list
of individual hosts. This chapter describes how to configure IP multicast on the E Series
router; it contains the following sections:
•
IPv4 Multicast Overview on page 3
•
Platform Considerations on page 5
•
References on page 6
•
Before You Begin on page 6
•
Configuring the Switch Fabric Bandwidth on page 6
•
Enabling IP Multicast on page 6
•
Defining Static Routes for Reverse-Path Forwarding on page 7
•
Displaying Available Routes for Reverse-Path Forwarding on page 7
•
Enabling and Disabling RPF Checks on page 9
•
Using Unicast Routes for RPF on page 9
•
Defining Permanent IP Multicast Forwarding Entries on page 10
•
Defining a Multicast Bandwidth Map on page 10
•
Configuring Multicast QoS Adjustment on page 15
•
Activating Multicast QoS Adjustment Functions on page 17
•
Configuring Hardware Multicast Packet Replication on page 17
•
Blocking and Limiting Multicast Traffic on page 25
•
Deleting Multicast Forwarding Entries on page 29
•
Monitoring IP Multicast Settings on page 29
•
BGP Multicasting on page 39
•
Investigating Multicast Routes on page 39
IPv4 Multicast Overview
IPv4 defines three types of addresses: unicast, broadcast, and multicast. Each type of
address enables a device to send datagrams to selected recipients:
•
A unicast address enables a device to send a datagram to a single recipient.
3Copyright © 2010, Juniper Networks, Inc.
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