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JunosE 11.3.x Multicast Routing Configuration Guide
Figure 18: Packet Flow with Optimized Multicast Packet Replication
158
Reduce the number of packets sent from the FC to the module.
Reduce the CPU consumed by the FC processing each elaboration of the packet.
You can use the feature to increase the bandwidth of multicast traffic out of each of the
Gigabit Ethernet ports.
Figure 18 on page 158 displays the flow of a multicast packet using the hardware multicast
packet feature.
Each high-density Ethernet module has eight physical ports, numbered 0–7. A logical
port is available for the hardware multicast packet replication feature, numbered port
8.
JunosE tracks the OIFs in an mroute that have been redirected to use the hardware
multicast packet replication hardware. The system accepts only egress multicast traffic
to traverse the interface stack on the enabled port. The system drops unicast traffic that
is routed to this port.
Copyright © 2010, Juniper Networks, Inc.
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