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Cisco 10000 Series Router Service Selection Gateway Configuration Guide
OL-4387-02
Chapter 9 Interface Configuration
Multicast Protocols on SSG Interfaces
Configuration of Multicast Protocols on SSG Interfaces
For SSG to forward multicast packets to the Cisco IOS routing engine, configure the following:
• Configure the interface where multicast packets are received as an uplink or downlink interface, or
bind a service to the interface.
• Enable SSG multicast by using the ssg multicast command in global configuration mode. When
multicast is enabled, the SSG forwards to the Cisco IOS routing engine any multicast packets
received on an uplink or downlink interface with a service bound to it.
Note If you do not enable multicast, multicast packets received on the interface are dropped.
• Enable IP multicast routing by using the ip multicast-routing command in global configuration
mode. For more information about the IP Multicast feature, refer to the Cisco 10000 Series Router
Broadband Aggregation, Leased-Line, and MPLS Configuration Guide.
For more information about multicast protocols on SSG interfaces, refer to ”Service Selection Gateway”
in the Cisco 6400 Feature Guide, Release 12.2(2)B.