Figure 3: Multicast Traffic Receipt Without Forwarding
Activating Multicast QoS Adjustment Functions
The ip multicast-routing bandwidth-map command activates the specified bandwidth
map. By activating the bandwidth map, this command also activates the multicast QoS
adjustment function contained in the bandwidth map.
CAUTION: To activate multicast QoS adjustment, you must first create a bandwidth
map. See “Defining a Multicast Bandwidth Map” on page 10 for details.
ip multicast-routing bandwidth-map
• Use to activate the QoS adjust function on the router.
• Example
host1(config)#ip multicast-routing bandwidth-map mcast-bandwidths
• Use the no version to disable the multicast QoS adjustment function on the router.
• See ip multicast-routing bandwidth-map.
Configuring Hardware Multicast Packet Replication
You can configure IPv4 multicast to replicate packets to optimized hardware on a logical
port instead of using the forwarding controller (FC) on the router.
The bandwidth between the line module and the I/O module or IOA on the E Series router
is limited. A high-density Ethernet module provides eight physical ports that can consume
17Copyright © 2010, Juniper Networks, Inc.
Chapter 1: Configuring IPv4 Multicast
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