Operation Manual – MulticastH3C S3100-52P Ethernet Switch Chapter 2 Common Multicast Configuration2-1Chapter 2 Common Multicast ConfigurationNote:In this manual, the term “router” refers to a router in the generic sense and a Layer 3Ethernet switch running an IP multicast protocol.2.1 Common Multicast ConfigurationTable 2-1 Complete the following tasks to perform common multicast configurations:Task RemarksConfiguring Suppression on the Multicast Source Port OptionalConfiguring a Multicast MAC Address Entry OptionalConfiguring Dropping Unknown Multicast Packets Optional2.1.1 Configuring Suppression on the Multicast Source PortSome users may deploy unauthorized multicast servers on the network. This affectsthe use of network bandwidth and transmission of multicast data of authorized users bytaking network resources. You can configure multicast source port suppression oncertain ports to prevent unauthorized multicast servers attached to these ports fromsending multicast traffic to the network.I. Configuring multicast source port suppression in system viewFollow these steps to configure multicast source port suppression in system view:To do... Use the command... RemarksEnter system view system-view —Configure multicastsource port suppressionmulticast-source-deny[ interface interface-list ]OptionalMulticast source portsuppression is disabledby default.